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Ricci A, Lindsay D, Schwanfelder C, Stratta E, Lee M, Boutis K. Web-Based Deliberate Practice of Pediatric Point-of-Care Ultrasound Cases in Resource-Limited Settings: A Multicenter Implementation and Effectiveness Study. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2025; 44:1231-1244. [PMID: 40052674 DOI: 10.1002/jum.16679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2024] [Revised: 02/03/2025] [Accepted: 02/23/2025] [Indexed: 06/11/2025]
Abstract
OBJECTIVES The main objective of this study was to implement an online pediatric case-based point-of-care ultrasound (POCUS) course in low-resource medical settings and examine learning outcomes and feasibility. METHODS This was a multicenter prospective cohort study conducted in a convenience sample of clinicians affiliated with Médecins Sans Frontières (MSF) training sites. MSF POCUS trainers provided the standard hands-on, on-site POCUS training and supplemented this with access to a web-based course. Participants provided diagnoses for 400 image-based POCUS cases from four common pediatric POCUS applications until they achieved the mastery learning standard of 90% accuracy, sensitivity (cases with pathology), and specificity (cases without pathology). Each participant also completed a course evaluation. RESULTS From 10 MSF sites, 110 clinicians completed 82,206 cases. There were significant learning gains across the POCUS applications with respect to accuracy (delta 14.2%; 95% CI 13.1, 15.2), sensitivity (delta 13.2%; 95% CI 12.1, 14.2), and specificity (delta 13.8%; 95% CI 12.7, 15.0). Furthermore, 90 (81.8%) achieved the mastery learning standard in at least one application, and 69 (62.7%) completed a course evaluation on at least one application for a total of 231 evaluations. Of these, 206 (89.2%) agreed/strongly agreed that the experience had relevance to their practice, met expectations, and had a positive user design. However, 59/110 (53.6%) clinicians reported a lack of protected time, and 54/110 (49.0%) identified challenges with accessing internet/hardware. CONCLUSIONS In resource-limited MSF settings, implementing web-based POCUS case practice demonstrated successful learning outcomes despite approximately half of the participants encountering significant technical challenges.
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Affiliation(s)
- Angelo Ricci
- Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Daniel Lindsay
- Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada
| | | | | | - Michelle Lee
- Division of Pediatric Emergency Medicine, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Kathy Boutis
- Division of Pediatric Emergency Medicine, Department of Paediatrics, Hospital for Sick Children, Toronto, Ontario, Canada
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Eppel F, Hunstig F, Bélard S, Kreuels B. Concepts for point-of-care ultrasound training in low resource settings: a scoping review. Ultrasound J 2025; 17:24. [PMID: 40372568 DOI: 10.1186/s13089-025-00427-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2024] [Accepted: 04/14/2025] [Indexed: 05/16/2025] Open
Abstract
BACKGROUND Point-of-care ultrasound (POCUS) is a potent diagnostic tool especially in resource-limited settings. The implementation of POCUS diagnostics requires adequate training of POCUS operators. This scoping review aimed to identify and describe POCUS training concepts that have been applied in low-and middle-income countries (LMICs). METHODS AND FINDINGS All studies on diagnostic POCUS training in LMICs that could be found in the Cochrane, Embase, Google Scholar, and Medline databases up to July 6, 2023, were included and data was extracted for descriptive analysis. The review protocol was registered at OSF https://doi.org/10.17605/OSF.IO/8FQJW . A total of 53 publications were included with 59% of studies (n = 31) conducted in Africa and 23% (n = 12) in Asia. The majority of studies (n = 41, 81%) described short courses amongst which 40% were one-off sessions and 60% described longitudinal trainings. Curricula were mostly related to emergency medicine and obstetrics and organ-focused protocols (lung n = 29 (54%), cardiac n = 28 (53%), obstetric n = 23 (43%)). Trainees were largely medical doctors and clinical officers with minimal or absent ultrasound skills. Training challenges included resource constraints and lack of context adaptation. Best practice recommendations included focus on hands-on training, low trainer to trainee ratio, protected training time, online training options, use of local trainers, short and concise training manuals in print, continuous supervision and early and on-going evaluation, as well as tele-mentoring. CONCLUSIONS Context integration and focus on local needs, trainer availability and suitability, durable equipment and maintenance, as well as emphasis on hands on training including patients with relevant pathology, were key aspects for targeted and sustainable POCUS training in LMICs identified in this review.
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Affiliation(s)
- Friedrich Eppel
- Institute of International Health, Charité, Universitätsmedizin Berlin, Berlin, Germany
- Department of Emergency Medicine, Klinik Floridsdorf, Vienna, Austria
| | - Friederike Hunstig
- Research Group Neglected Diseases and Envenoming, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Sabine Bélard
- Institute of Tropical Medicine, University of Tübingen, Wilhelmstr. 27, 72074, Tübingen, Germany
- German Center for Infection Research (DZIF), Partner Site Tübingen, Tübingen, Germany
| | - Benno Kreuels
- Research Group Neglected Diseases and Envenoming, Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.
- Department of Medicine, School of Medicine, Kamuzu University of Health Sciences, Blantyre, Malawi.
- Section for Tropical Medicine, I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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McCreary DJ, Tambe N, Mullen N. What is the utility of point-of-care ultrasound for suspected pulled elbow? A single-centre case series. J Paediatr Child Health 2024; 60:698-702. [PMID: 39243225 DOI: 10.1111/jpc.16659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2024] [Revised: 08/27/2024] [Accepted: 08/28/2024] [Indexed: 09/09/2024]
Abstract
Radial head subluxation, known as pulled elbow or nursemaid's elbow, is a common presentation to the Paediatric Emergency Department (PED). Fifty per cent of children present following an unwitnessed injury or with an atypical history. Furthermore, examination can be difficult in an upset or frightened child meaning the precise location of the injury is not always easily identifiable. Many children receive upper limb x-rays unnecessarily and others undergo attempted reduction for suspected pulled elbow when a fracture is the cause of their pain. OBJECTIVE To evaluate the ability of point-of-care ultrasound (POCUS) to correctly identify cases of suspected pulled elbow. METHODS A retrospective review of patients aged 0-5 years presenting to the PED of our large District General Hospital from November 2020 to November 2022. We reviewed the electronic medical records of all patients presenting with a triage category of 'elbow Injury'. We excluded patients presenting with obvious deformity, significant swelling and history of road traffic collision or other major trauma mechanism such as a fall from a height. POCUS was carried out by the authors according to pre-existing clinical protocols. RESULTS Thirty-seven patients underwent POCUS. Twenty-nine had a typical history and all had a positive POCUS for pulled elbow. Of the remaining eight patients with an atypical history, three were found to have a positive POCUS compared to unaffected elbow. Five patients with an atypical history had negative POCUS findings and were diagnosed as soft tissue injuries after further assessment. All 32 with positive sonographic signs had a final diagnosis of pulled elbow, meaning the specificity was 100% (47.8-100) (P = 0.00003). The sensitivity was 100%. CONCLUSION Use of POCUS by appropriately trained clinicians, as an extension of a clinical examination, in this retrospective study reliably confirmed pulled elbow. This has the potential to reduce both unnecessary radiation as well as the time in the emergency department for the child and their carers.
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Affiliation(s)
- David J McCreary
- Paediatric Emergency Department, Sunderland Royal Hospital, Sunderland, United Kingdom
| | - Nikhil Tambe
- Paediatric Emergency Department, Sunderland Royal Hospital, Sunderland, United Kingdom
| | - Niall Mullen
- Paediatric Emergency Department, Sunderland Royal Hospital, Sunderland, United Kingdom
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Dieiev V, Dubrov S, Díaz-Gómez JL, Stevens RA, Salinas P, Gudzenko V, Matolinets N, Kravets O, Krishtafor D, Pavlysh O, Cherniaiev S, Pustavoitau A. Point-of-care ultrasonography in Ukraine: a survey of anesthesiologists-intensivists participating in ultrasonography courses. Can J Anaesth 2024; 71:1379-1387. [PMID: 38918272 DOI: 10.1007/s12630-024-02789-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 06/27/2024] Open
Abstract
PURPOSE Despite the potential value of point-of-care ultrasonography (POCUS) in resource-limited environments, it is not widely used in low- and middle-income countries compared with high-income countries. We sought to evaluate the current POCUS practice of Ukrainian anesthesiologists who attended POCUS courses to guide future POCUS training in Ukraine. METHODS We conducted a 25-question web-based survey. It was distributed to 255 participants of POCUS courses held in Ukraine in 2023. The survey sections described current POCUS practice, perception of POCUS value, POCUS skills self-assessment, and perceived barriers to implementing POCUS in clinical practice. RESULTS Two hundred and forty-four out of 255 course participants completed the survey, representing 214 unique respondents. Those who self-rated their skills identified themselves as either novices or beginners in areas of POCUS knowledge (118/157, 75%), image acquisition (110/158, 70%), image interpretation (117/158, 74%), and integration into clinical decision-making (105/155, 68%). Among all survey responders, 55% (118/214) reported using POCUS for vascular access procedures, 45% (97/214) for trauma assessment, and 44% (93/214) for regional anesthesia. Reported barriers to POCUS implementation included lack of ultrasound devices (101/214, 47%) and lack of trained faculty (112/214, 52%). CONCLUSION Among anesthesiologists who participated in POCUS courses in Ukraine, the majority were in early stages of ultrasound practice. Respondents identified POCUS applications not currently practiced and evaluated barriers to POCUS use. Based upon these survey findings, we propose the following measures in Ukraine: 1) developing a standardized national POCUS curriculum; 2) increasing the number of experienced instructors of POCUS; and 3) acquiring ultrasound devices to support clinical applications of POCUS, especially in the Central, Southern, and Eastern regions.
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Affiliation(s)
- Vladyslav Dieiev
- School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA.
- Aurora St. Luke's Medical Center, Suite 315, 2901 W. Kinnikinick River Parkway, Milwaukee, WI, 53215, USA.
| | - Sergii Dubrov
- Bogomolets National Medical University, Kiev, Ukraine
| | | | - Rom A Stevens
- Rosalind Franklin University of Medicine and Science, North Chicago, IL, USA
| | - Pedro Salinas
- School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI, USA
| | - Vadim Gudzenko
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | | | - Olga Kravets
- Dnipro State Medical University, Dnipro, Ukraine
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Kumar MB, Mulongo CM, Pincerato L, De Vita MV, Saidi S, Gakii Y, Morino G, Kumar P. Task sharing for increasing access to obstetric ultrasonography: a formative qualitative study of nurse-led scanning with telemedicine review in Kenya. OXFORD OPEN DIGITAL HEALTH 2024; 2:oqae037. [PMID: 40230981 PMCID: PMC11932403 DOI: 10.1093/oodh/oqae037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 06/21/2024] [Accepted: 08/26/2024] [Indexed: 04/16/2025]
Abstract
The informal settlements of Nairobi have higher neonatal and infant mortality rates than the average for Nairobi. Universal access to important diagnostics like ultrasonography is poor and inequitable due to the high cost of devices and limited availability of skilled sonographers. Recent advances of mobile ultrasound probes connected to smartphones, with or without artificial intelligence support, have improved access to devices; but skills to perform and interpret scans continue to be limited. The SonoMobile intervention involved training nurse-midwives to conduct point-of-care obstetric ultrasound scans in antenatal care clinics in urban informal settlements. Scan data and images were shared, using telemedicine technology, with remote sonographers, who reviewed scan images and data, and provided reports. This study of 61 respondents from diverse stakeholder groups describes the acceptability, utility and considerations for sustainability of nurse-led, point-of-care obstetric ultrasonography with telemedicine review. Perceived value of nurse-led obstetric ultrasonography includes improving access and affordability of obstetric ultrasonography services, timely identification and referral of high-risk pregnancies, and improving awareness of appropriate antenatal care among underserved populations. The relative affordability of SonoMobile was described as a critical enabler for a business model targeting low- and middle-income segments of the population, and for increasing quality and equity of antenatal care coverage. Areas highlighted for improvement include strengthening supervision of nurse trainees, broadening the scope of nurse training and development of clear regulatory guidelines for nurse-led obstetric ultrasonography. The study highlights the complex task shifting required to provide universal access to a life-saving technology in a low- and middle-income country health system.
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Affiliation(s)
- Meghan Bruce Kumar
- Health-E-Net Limited, Nairobi, Kenya
- Department of Nursing, Midwifery & Health, Northumbria University, Benton, Newcastle-upon-Tyne, NE7 7XA, UK
- Department of Health Systems and Research Ethics, KEMRI-Wellcome Trust, Hospital Road, P.O. Box 230, Kilifi, Kenya
| | | | | | | | | | | | | | - Pratap Kumar
- Health-E-Net Limited, Nairobi, Kenya
- Institute of Healthcare Management, Strathmore University Business School, Karen Ole Sangale Rd, off Langata Road, in Madaraka Estate, PO Box 59857, Nairobi 00200, Kenya
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Kim S, Fischetti C, Guy M, Hsu E, Fox J, Young SD. Artificial Intelligence (AI) Applications for Point of Care Ultrasound (POCUS) in Low-Resource Settings: A Scoping Review. Diagnostics (Basel) 2024; 14:1669. [PMID: 39125545 PMCID: PMC11312308 DOI: 10.3390/diagnostics14151669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2024] [Revised: 07/26/2024] [Accepted: 07/28/2024] [Indexed: 08/12/2024] Open
Abstract
Advancements in artificial intelligence (AI) for point-of-care ultrasound (POCUS) have ushered in new possibilities for medical diagnostics in low-resource settings. This review explores the current landscape of AI applications in POCUS across these environments, analyzing studies sourced from three databases-SCOPUS, PUBMED, and Google Scholars. Initially, 1196 records were identified, of which 1167 articles were excluded after a two-stage screening, leaving 29 unique studies for review. The majority of studies focused on deep learning algorithms to facilitate POCUS operations and interpretation in resource-constrained settings. Various types of low-resource settings were targeted, with a significant emphasis on low- and middle-income countries (LMICs), rural/remote areas, and emergency contexts. Notable limitations identified include challenges in generalizability, dataset availability, regional disparities in research, patient compliance, and ethical considerations. Additionally, the lack of standardization in POCUS devices, protocols, and algorithms emerged as a significant barrier to AI implementation. The diversity of POCUS AI applications in different domains (e.g., lung, hip, heart, etc.) illustrates the challenges of having to tailor to the specific needs of each application. By separating out the analysis by application area, researchers will better understand the distinct impacts and limitations of AI, aligning research and development efforts with the unique characteristics of each clinical condition. Despite these challenges, POCUS AI systems show promise in bridging gaps in healthcare delivery by aiding clinicians in low-resource settings. Future research endeavors should prioritize addressing the gaps identified in this review to enhance the feasibility and effectiveness of POCUS AI applications to improve healthcare outcomes in resource-constrained environments.
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Affiliation(s)
- Seungjun Kim
- Department of Informatics, University of California, Irvine, CA 92697, USA;
| | - Chanel Fischetti
- Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, MA 02115, USA
| | - Megan Guy
- Department of Emergency Medicine, University of California, Irvine, CA 92697, USA; (M.G.); (E.H.); (J.F.)
| | - Edmund Hsu
- Department of Emergency Medicine, University of California, Irvine, CA 92697, USA; (M.G.); (E.H.); (J.F.)
| | - John Fox
- Department of Emergency Medicine, University of California, Irvine, CA 92697, USA; (M.G.); (E.H.); (J.F.)
| | - Sean D. Young
- Department of Informatics, University of California, Irvine, CA 92697, USA;
- Department of Emergency Medicine, University of California, Irvine, CA 92697, USA; (M.G.); (E.H.); (J.F.)
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Weimer JM, Kuhn E, Ludwig M, Malle GL, Kapipi G, Schäfer VS, Sadiq A, Henke O. Effectiveness of an ultrasound basic cancer training program through on-site training and virtual case discussions in rural Tanzania: a proof-of-concept study. Ecancermedicalscience 2024; 18:1722. [PMID: 39026658 PMCID: PMC11257097 DOI: 10.3332/ecancer.2024.1722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Indexed: 07/20/2024] Open
Abstract
Introduction Cancer rates are rising in low- and middle-income countries. While point-of-care ultrasound is now available globally and could serve to mitigate against this rise, its use in diagnosing cancers is inconsistent in lower-resourced healthcare contexts. This proof-of-concept study investigates the feasibility of an ultrasound training concept in a low-resource setting. It evaluates whether this educational concept led to improved knowledge and application of ultrasound diagnostics, cancer screening and staging and patient care. Material and methods The curriculum was developed through expert exchange and is based on the World Health Organisation's Manual of Diagnostic Ultrasound. It consisted of two didactic components: an on-site training phase across 5 days for a total of 24 hours, and a digital follow-up phase involving the meeting of a bi-weekly tumor board online. The learning objectives of the on-site training were normal imaging and recognition of common pathologies of the abdominal organs, vessels, lymph nodes, female breasts and lungs. The virtual tumour boards met to discuss cases and ultrasound findings, thus aiding continuing professional development after the training sessions had concluded. The face-to-face course component was accompanied by tests given before and after training as well as an evaluation sheet (Likert-scale with 1 = 'completely/very good' and 7 'not at all/very poor'). Results Of 20 participants from a rural hospital in Tanzania, a total of 16 were included in the analysis (clinical officers n = 6; medical officers n = 10). A significant increase in knowledge (p < 0.01) was measured both in the subjective self-assessment and in the theoretical competence tests. In multivariate linear regression, the status 'medical officers yes' (β = 5.4; p = 0.04) had a significant influence on theory test results at T2. During the 24 virtual tumour board meetings, 28 cases were discussed and a continuous improvement in image acquisition quality was observed. Conclusion The ultrasound education concept comes with a sustainable increase in clinical competence and improved oncological ultrasound screening locally. There is potential for the transfer of the concept to other locations, which can be explored in the future.
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Affiliation(s)
- Johannes Matthias Weimer
- Rudolf -Frey Learning Clinic, University Medical Centre of the Johannes Gutenberg-University Mainz, Mainz 55131, Germany
| | - Eva Kuhn
- Section Global Health, Institute of Hygiene and Public Health, University Hospital Bonn, Bonn 53127, Germany
| | - Michael Ludwig
- Section Global Health, Institute of Hygiene and Public Health, University Hospital Bonn, Bonn 53127, Germany
- Department of Internal Medicine I, Hospital of the German Armed Forces, Berlin 10115, Germany
| | | | - Godfrid Kapipi
- Marangu Lutheran Hospital, PO Box 107, Marangu, Tanzania
| | - Valentin Sebastian Schäfer
- Department of Rheumatology and Clinical Immunology, Clinic of Internal Medicine III, University Hospital Bonn, Bonn, Germany
| | - Adnan Sadiq
- Kilimanjaro Christian Medical University College, Moshi 2240, Tanzania
| | - Oliver Henke
- Section Global Health, Institute of Hygiene and Public Health, University Hospital Bonn, Bonn 53127, Germany
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Bouros GC, Popa TO, Nedelea PL, Manolescu E, Haisan A, Roca I, Morosanu P, Hauta A, Grigorasi G, Corlade-Andrei M, Cimpoesu D. A Modern Diagnostic Procedure-The Introduction of Point-of-Care Ultrasound in Romanian Emergency Physicians' Daily Routine. Clin Pract 2024; 14:1137-1148. [PMID: 38921268 PMCID: PMC11203034 DOI: 10.3390/clinpract14030090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/04/2024] [Accepted: 06/12/2024] [Indexed: 06/27/2024] Open
Abstract
BACKGROUND Emergency medicine in Romania has developed fast since inception. The need for faster diagnostic capabilities due to the high workload pre- and in-hospital made point-of-care ultrasound (POCUS) a logical next step. The advantages of POCUS are well known, but implementation presents challenges. Our goal was to study how a straightforward method of implementation would work locally. METHODS Two prospective observational studies were conducted at 6 months (prehospital) and 4 months (in-hospital). The protocol used was extended focused assessment sonography in trauma (eFAST), and the shock index (SI) was used to stratify patients. Voluntary sampling was conducted by emergency physicians. The primary outcomes were patient numbers, type of case use, results, and accuracy. RESULTS The prehospital study registered 34 patients: 41% traumas, 35% cardiac arrest, 18% shock, and 6% acute respiratory distress. The in-hospital study patients were 78: 36% traumas, 6% cardiac arrests, 41% shock, and 17% acute respiratory distress. A total of 88.5% of the cases were confirmed with definitive imagistic findings. CONCLUSION The studies mark an increase in POCUS usage and use in complicated cases. Providing supervision and feedback into clinical practice resulted in a further increase in POCUS usage, the second study having an 88.5% accuracy when compared to the final diagnostic proving the increased efficiency of a longitudinal training approach.
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Affiliation(s)
- George-Catalin Bouros
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
| | - Tudor Ovidiu Popa
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Paul Lucian Nedelea
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Emilian Manolescu
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Anca Haisan
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Iulia Roca
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Petruta Morosanu
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Alexandra Hauta
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Gabriela Grigorasi
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
| | - Mihaela Corlade-Andrei
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
| | - Diana Cimpoesu
- Department of Emergency Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (G.-C.B.); (P.L.N.); (E.M.); (A.H.); (I.R.); (P.M.); (A.H.); (G.G.); (D.C.)
- Emergency Department, “St. Spiridon” Emergency Clinical County Hospital, 700111 Iasi, Romania
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Johnston BK, Darling EK, Malott A, Thomas L, Murray-Davis B. Canadian midwives' perspectives on the clinical impacts of point of care ultrasound in obstetrical care: A concurrent mixed-methods study. Heliyon 2024; 10:e27512. [PMID: 38533003 PMCID: PMC10963237 DOI: 10.1016/j.heliyon.2024.e27512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/28/2024] Open
Abstract
Introduction Point of Care Ultrasound (POCUS) is used globally in obstetrics to conduct real time bedside ultrasound scans to answer a clinical question, and it may be conducted by a non-sonography healthcare practitioner. The College of Midwives of Ontario expanded the scope of practice in 2018 to allow registered midwives to perform POCUS during clinical assessments. In response, a POCUS training curriculum for practicing midwives was developed. This paper reports on the perceptions of learners about the impact of this training on their clinical practice. Methods We conducted a mixed-methods study to understand learner perceptions. Data collection included surveys at four time points over a year, and semi-structured interviews. Quantitative data were analyzed through descriptive statistics, and qualitative analyses used a constructivist approach to grounded theory. Results The frequency of POCUS use within antenatal care increased among learners, with common applications including assessment of fetal presentation and confirmation of viability. POCUS was seen to holistically aid practitioners care by providing additional skills and knowledge to improve care quality and access to care, particularly for remote areas where ultrasounds are not easily available. However, participants articulated a need for clearer regulatory guidelines outlining how this technology should be applied in midwifery. Equipment purchasing and maintaining costs were a barrier for many midwives. Conclusions Participants who had access to a device are continuing to use sonography within their clinics to provide comprehensive midwifery care informed by real-time ultrasound assessments. POCUS scans were seen to offer many benefits to improve patient care.
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Affiliation(s)
- Bronte K. Johnston
- Health Sciences Education Program, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
- McMaster Midwifery Research Centre, Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, Canada
| | - Elizabeth K. Darling
- Health Sciences Education Program, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
- McMaster Midwifery Research Centre, Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, Canada
| | - Anne Malott
- Health Sciences Education Program, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
- McMaster Midwifery Research Centre, Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, Canada
| | - Laura Thomas
- Centre for Integrated and Advanced Medical Imaging Medical Radiation Sciences Program, Mohawk-McMaster Institute for Applied Health Sciences, McMaster University and Mohawk College, Hamilton, ON, Canada
| | - Beth Murray-Davis
- Health Sciences Education Program, Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada
- McMaster Midwifery Research Centre, Department of Obstetrics and Gynecology, McMaster University, Hamilton, ON, Canada
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Sabath E. Point of care ultrasonography as the new "Laennec Sthetoscope". World J Nephrol 2024; 13:90542. [PMID: 38596268 PMCID: PMC11000039 DOI: 10.5527/wjn.v13.i1.90542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/19/2024] [Accepted: 02/29/2024] [Indexed: 03/22/2024] Open
Abstract
Point of care ultrasonography (POCUS) has evolved to become the fifth pillar of the conventional physical examination, and use of POCUS protocols have significantly decreased procedure complications and time to diagnose. However, lack of experience in POCUS by preceptors in medical schools and nephrology residency programs are significant barriers to implement a broader use. In rural and low-income areas POCUS may have a transformative effect on health care management.
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Affiliation(s)
- Ernesto Sabath
- Renal and Metabolism Unit, Hospital General de Querétaro, Queretaro 76180, Mexico
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11
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Wanjiku GW, Bell G, Kapadia S, Wachira BW. Impact of point-of-care ultrasound use on patient referral decisions in rural Kenya: a mixed methods study. BMC Health Serv Res 2024; 24:212. [PMID: 38360660 PMCID: PMC10870490 DOI: 10.1186/s12913-024-10673-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 02/01/2024] [Indexed: 02/17/2024] Open
Abstract
BACKGROUND Point-of-care ultrasound (POCUS) is recognized as a key imaging modality to bridge the diagnostic imaging gap in Low- and Middle-Income Countries (LMICs). POCUS use has been shown to impact patient management decisions including referral for specialist care. This study explored the impact of POCUS use on referral decisions among trained healthcare providers working in primary rural and peri-urban health facilities in Kenya. METHODS A concurrent mixed methods approach was used, including a locally developed survey (N = 38) and semi-structured interviews of POCUS trained healthcare providers (N = 12). Data from the survey was descriptively analyzed and interviews were evaluated through the framework matrix method. RESULTS Survey results of in-facility access to Xray, Ultrasonography, CT scan and MRI were 49%, 33%, 3% and 0% respectively. Only 54% of the facilities where trainees worked had the capacity to perform cesarean sections, and 38% could perform general surgery. Through a combined inductive and deductive evaluation of interview data, we found that the emerging themes could be organized through the framework of the six domains of healthcare quality as described by the Institute of Medicine: Providers reported that POCUS use allowed them to make referral decisions which were timely, safe, effective, efficient, equitable and patient-centered. Challenges included machine breakdown, poor image quality, practice isolation, lack of institutional support and insufficient feedback on the condition of patients after referral. CONCLUSION This study highlighted that in the setting of limited imaging and surgical capacity, POCUS use by trained providers in Kenyan primary health facilities has the potential to improve the patient referral process and to promote key dimensions of healthcare quality. Therefore, there is a need to expand POCUS training programs and to develop context specific POCUS referral algorithms.
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Affiliation(s)
- Grace W Wanjiku
- Department of Emergency Medicine, The Warren Alpert Medical School of Brown University, 55 Claverick Street Suite 101, Providence, RI, 02903, USA.
| | - Gregory Bell
- Department of Emergency Medicine, Carver College of Medicine, University of Iowa, Iowa City, IA, USA
| | - Sonja Kapadia
- The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Benjamin W Wachira
- Accident and Emergency Department, The Aga Khan University, Nairobi, Kenya
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12
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Wachira J, Matheka DM, Masheti SA, Githemo GK, Shah S, Haldeman MS, Ramos M, Bergman K. A training program for obstetrics point-of-care ultrasound to 514 rural healthcare providers in Kenya. BMC MEDICAL EDUCATION 2023; 23:922. [PMID: 38053123 DOI: 10.1186/s12909-023-04886-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 11/20/2023] [Indexed: 12/07/2023]
Abstract
BACKGROUND Ultrasound is a crucial and effective diagnostic tool in medicine. Recent advancements in technology have led to increased use of point-of-care ultrasound (POCUS). Access to ultrasound equipment and training programs in low-and middle-income countries (LMICs) is limited. Despite the World Health Organization (WHO) recommendations for universal antenatal ultrasounds, POCUS for reproductive health applications has not been widely used in LMICs. We describe here the feasibility of implementation of a training of obstetrics point-of-care ultrasound (OB POCUS) for high-risk conditions in rural public healthcare facilities in Kenya with partnership from Butterfly Network, Global Ultrasound Institute, and Kenyatta University. METHODS As part of the initiation of a large-scale implementation study of OB POCUS, clinician trainees were recruited from rural Kenyan hospitals for participation in a series of five-day POCUS workshops held between September and December 2022. Trainers provided brief didactic lessons followed by hands-on training with live models and at regional clinical sites for 5 OB POCUS applications. Instructor-observed assessment of students' scanning and image interpretation occurred over the training period. Assessment of knowledge and confidence was performed via an online pre-test and post-test as well as Objective Structured Clinical Examination (OSCE) was administered at course completion. RESULTS Five hundred and fourteen mid-level Health Care Providers (HCPs) in Kenya were trained over a three-month period through in-person didactic sessions, bedside instruction, and clinical practice over a 5-day period with a trainer: trainee ratio of approximately 1:5. Out of the 514 trained HCPs, 468 were from 8 rural counties with poor maternal and neonatal outcomes, while the remaining 46 were from nearby facilities. OB POCUS topics covered included: malpresentation, multiple gestation, fetal cardiac activity, abnormalities of the placenta and amniotic fluid volume. There was marked improvement in the post training test scores compared to the pretest scores. CONCLUSION Our implementation description serves as a guide for successful rapid dissemination of OB POCUS training for mid-level providers. Our experience demonstrates the feasibility of a short intensive POCUS training to rapidly establish specific POCUS skills in efforts to rapidly scale POCUS access and services. There is a widespread need for expanding access to ultrasound in pregnancy through accessible OB POCUS training programs. An implementation study is currently underway to assess the patient and systems-level impact of the training.
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Affiliation(s)
- James Wachira
- Global Ultrasound Institute (GUSI), San Francisco, USA.
- Department of Obstetrics and Gynecology, School of Medicine, University of Nairobi, Nairobi, Kenya.
| | - Duncan Mwangangi Matheka
- Global Ultrasound Institute (GUSI), San Francisco, USA
- Department of Obstetrics and Gynecology, School of Medicine, University of Nairobi, Nairobi, Kenya
| | | | | | - Sachita Shah
- Butterfly Network Inc, Massachusetts, USA
- Department of Emergency Medicine, University of Washington School of Medicine, Seattle, USA
| | | | - Mena Ramos
- Global Ultrasound Institute (GUSI), San Francisco, USA
- Department of Family and Community Medicine, University of California San Francisco, San Francisco, USA
| | - Kevin Bergman
- Global Ultrasound Institute (GUSI), San Francisco, USA
- Department of Family and Community Medicine, University of California San Francisco, San Francisco, USA
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Watermeyer G, Katsidzira L, Nsokolo B, Isaac Alatise O, Duduyemi BM, Kassianides C, Hodges P. Challenges in the diagnosis and management of IBD: a sub-Saharan African perspective. Therap Adv Gastroenterol 2023; 16:17562848231184986. [PMID: 37457138 PMCID: PMC10345935 DOI: 10.1177/17562848231184986] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023] Open
Abstract
With the exception of South Africa, inflammatory bowel disease (IBD) has long been considered uncommon in sub-Saharan Africa (SSA) with a dearth of peer-reviewed publications from the subcontinent. This most likely reflects underreporting as some cases may be missed due to the high burden of infectious diseases which may closely mimic IBD. In addition, many countries in SSA have limited endoscopic capacity, inadequate access to diagnostic imaging and a notable scarcity of histopathologists, radiologists and gastroenterologists. Beyond these obstacles, which significantly impact patient care, there are many other challenges in SSA, particularly the unavailability of key IBD therapies. In this review, we discuss barriers in diagnosing and managing IBD in SSA, as well as some of the initiatives currently in place to address these short comings.
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Affiliation(s)
| | - Leolin Katsidzira
- Internal Medicine Unit, Faculty of Medicine and Health Sciences, University of Zimbabwe, Harare, Zimbabwe
| | - Bright Nsokolo
- School of Medicine and Clinical Sciences, Levy Mwanawasa Medical University, Lusaka, Zambia
| | - Olusegun Isaac Alatise
- Division of Gastrointestinal/Surgical Oncology, Department of Surgery, Obafemi Awolowo University/Teaching Hospitals Complex, Ile-Ife, Osun, Nigeria
| | - Babatunde M. Duduyemi
- Department of Pathology, College of Medicine and Allied Health Sciences/Teaching Hospitals Complex Highest University of Sierra Leone, Freetown, Sierra Leone
| | - Chris Kassianides
- Department of Medicine, Faculty of Health Sciences, University of Cape Town, Rondebosch, Western Cape, South Africa
| | - Phoebe Hodges
- Barts and the London School of Medicine and Dentistry, Blizard Institute, Queen Mary University of London, London, UK
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Erameh CO, Koch T, Edeawe OI, Oestereich L, Omansen T, Jochum J, Adomeh DI, Ikponmwonsa O, Aire C, Pahlmann M, Asogun DA, Ogbaini-Emovon E, Okogbenin SA, Günther S, Ramharter M, Akideno PE, Kreuels B. Focussed Assessment with Sonography in acute Lassa Fever (FASLa): Development of a point-of-care protocol and description of common ultrasound findings. J Infect 2023; 87:27-33. [PMID: 37075910 DOI: 10.1016/j.jinf.2023.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 03/07/2023] [Accepted: 04/13/2023] [Indexed: 04/21/2023]
Abstract
BACKGROUND Managing Lassa fever (LF) patients is challenging because of the complexity of this life-threatening infectious disease, the necessary isolation measures, and the limited resources in countries where it is endemic. Point-of-care ultrasonography (POCUS) is a promising low-cost imaging technique that may help in guiding the management of patients. METHODS We conducted this observational study at the Irrua Specialist Teaching Hospital in Nigeria. We developed a POCUS protocol, trained local physicians who applied the protocol to LF patients and recorded and interpreted the clips. These were then independently re-evaluated by an external expert, and associations with clinical, laboratory and virological data were analyzed. FINDINGS We developed the POCUS protocol based on existing literature and expert opinion and trained two clinicians, who then used POCUS to examine 46 patients. We observed at least one pathological finding in 29 (63%) patients. Ascites was found in 14 (30%), pericardial effusion in 10 (22%), pleural effusion in 5 (11%), and polyserositis in 7 (15%) patients, respectively. Eight patients (17%) showed hyperechoic kidneys. Seven patients succumbed to the disease while 39 patients survived, resulting in a fatality rate of 15%. Pleural effusions and hyper-echoic kidneys were associated with increased mortality. INTERPRETATION In acute LF, a newly established POCUS protocol readily identified a high prevalence of clinically relevant pathological findings. The assessment by POCUS required minimal resources and training; the detected pathologies such as pleural effusions and kidney injury may help to guide the clinical management of the most at-risk LF patients.
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Affiliation(s)
- Cyril O Erameh
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria; Department of Internal Medicine, College of Medicine, Ambrose Alli University, Ekpoma, Nigeria
| | - Till Koch
- University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Osahogie Isaac Edeawe
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Lisa Oestereich
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Till Omansen
- University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Johannes Jochum
- University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany
| | - Donatus I Adomeh
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Odia Ikponmwonsa
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Chris Aire
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Meike Pahlmann
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Danny A Asogun
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria; Department of Pharmacology & Therapeutics, College of Medicine, Ambrose Alli University, Ekpoma, Nigeria
| | - Ephraim Ogbaini-Emovon
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Sylvanus A Okogbenin
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Stephan Günther
- Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Michael Ramharter
- University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany
| | - Peter E Akideno
- Institute of Lassa Fever Research and Control, Irrua Specialist Teaching Hospital, Irrua, Edo State, Nigeria
| | - Benno Kreuels
- University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany; German Centre for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel-Riems, Germany.
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Utility of hand-held ultrasound for image acquisition and interpretation by trained Kenyan providers. Ultrasound J 2023; 15:12. [PMID: 36884093 PMCID: PMC9995612 DOI: 10.1186/s13089-023-00308-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/23/2023] [Indexed: 03/09/2023] Open
Abstract
BACKGROUND Point-of-care ultrasound (POCUS) plays a prominent role in the timely recognition and management of multiple medical, surgical, and obstetric conditions. A POCUS training program for primary healthcare providers in rural Kenya was developed in 2013. A significant challenge to this program is the acquisition of reasonably priced ultrasound machines with adequate image quality and the ability to transmit images for remote review. The goal of this study is to compare the utility of a smartphone-connected, hand-held ultrasound with a traditional ultrasound device for image acquisition and interpretation by trained healthcare providers in Kenya. METHODS This study took place during a routine re-training and testing session for healthcare providers who had already received POCUS training. The testing session involved a locally validated Observed Structured Clinical Exam (OSCE) that assessed trainees' skills in performing the Extended Focused Assessment with Sonography for Trauma (E-FAST) and focused obstetric exams. Each trainee performed the OSCE twice, once using a smartphone-connected hand-held ultrasound and once using their notebook ultrasound model. RESULTS Five trainees obtained a total of 120 images and were scored on image quality and interpretation. Overall E-FAST imaging quality scores were significantly higher for the notebook ultrasound compared to the hand-held ultrasound but there was no significant difference in image interpretation. Overall focused obstetric image quality and image interpretation scores were the same for both ultrasound systems. When separated into individual E-FAST and focused obstetric views, there were no statistically significant differences in the image quality or image interpretation scores between the two ultrasound systems. Images obtained using the hand-held ultrasound were uploaded to the associated cloud storage using a local 3G-cell phone network. Upload times were 2-3 min. CONCLUSION Among POCUS trainees in rural Kenya, the hand-held ultrasound was found to be non-inferior to the traditional notebook ultrasound for focused obstetric image quality, focused obstetric image interpretation, and E-FAST image interpretation. However, hand-held ultrasound use was found to be inferior for E-FAST image quality. These differences were not observed when evaluating each E-FAST and focused obstetric views separately. The hand-held ultrasound allowed for rapid image transmission for remote review.
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Bidner A, Bezak E, Parange N. Evaluation of antenatal point-of-care ultrasound training workshops for rural/remote healthcare clinicians: a prospective single cohort study. BMC MEDICAL EDUCATION 2022; 22:906. [PMID: 36585662 PMCID: PMC9805197 DOI: 10.1186/s12909-022-03888-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 11/10/2022] [Indexed: 05/25/2023]
Abstract
BACKGROUND There is limited access to life-saving antenatal ultrasound in low-resource rural and remote settings worldwide, including Australia, mainly due to shortages in skilled staff. Point-of-care ultrasound (PoCUS) offers a viable solution to this service deficit, however, rural clinicians face many barriers accessing training and professional development critical to advancing their clinical practice. Standards for PoCUS training and competency assessment are unclear. Regulation is lacking globally, allowing untrained and inexperienced clinicians to practice PoCUS clinically. METHODS This prospective single cohort study aimed to evaluate antenatal PoCUS training workshops for General Practitioners (GPs) and Midwives/Nurses (M/Ns) from rural/remote Australia, assessing the impact of the training on trainees' knowledge, confidence and translation of PoCUS into clinical practice. Two-day antenatal ultrasound workshops were delivered at the University of South Australia (UniSA) in 2018 and 2019 to 41 rural/remote clinicians . The training was designed and evaluated using the New world Kirkpatrick Evaluation Framework. Sixteen GPs and 25 M/Ns with mixed prior ultrasound experience were funded to attend. The course consisted of lectures interspaced with hands-on training sessions using high-fidelity simulators and live pregnant models. Pre- and post-knowledge assessments were performed. Post-workshop evaluation and follow-up surveys (3- and 6-month post-training) assessed the workshops and changes to trainees' clinical practice. A 2-day follow-up training session was conducted 12 months after the workshops for 9 trainees. RESULTS Pre/post knowledge testing demonstrated a 22% mean score improvement (95% CI 17.1 to 27.8, P < 0.0001). At 6 months, 62% of trainees were performing PoCUS that had assisted in patient management and clinical diagnosis, and 46% reported earlier diagnosis and changes to patient management. 74% of trainees had increased scanning frequency and 93% reported improved scanning confidence. CONCLUSION This study demonstrated intensive 2-day workshops can equip clinicians with valuable antenatal PoCUS skills, offering a viable solution to assist in the assessment and management of pregnant women in the rural/resource-poor setting where access to ultrasound services is limited or non-existent. Geographical isolation and lack of onsite specialist supervision poses an ongoing challenge to the continuing professional development of remote trainees and the implementation of PoCUS.
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Affiliation(s)
- Amber Bidner
- Allied Health and Human Performance, The University of South Australia, Corner of North Terrace and Frome Road, GPO Box 2471, Adelaide, SA 5001 Australia
| | - Eva Bezak
- Allied Health and Human Performance, The University of South Australia, Corner of North Terrace and Frome Road, GPO Box 2471, Adelaide, SA 5001 Australia
- Department of Physics, The University of Adelaide, North Terrace, Adelaide, SA 5001 Australia
| | - Nayana Parange
- Allied Health and Human Performance, The University of South Australia, Corner of North Terrace and Frome Road, GPO Box 2471, Adelaide, SA 5001 Australia
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Kithinji SM, Lule H, Acan M, Kyomukama L, Muhumuza J, Kyamanywa P. Efficacy of extended focused assessment with sonography for trauma using a portable handheld device for detecting hemothorax in a low resource setting; a multicenter longitudinal study. BMC Med Imaging 2022; 22:211. [DOI: 10.1186/s12880-022-00942-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 11/28/2022] [Indexed: 12/03/2022] Open
Abstract
Abstract
Introduction
Chest trauma is one of the most important and commonest injuries that require timely diagnosis, accounting for 25–50% of trauma related deaths globally. Although CT scan is the gold standard for detection of haemothorax, it is only useful in stable patients, and remains unavailable in most hospitals in low income countries. Where available, it is very expensive. Sonography has been reported to have high accuracy and sensitivity in trauma diagnosis but is rarely used in trauma patients in low income settings in part due to lack of the sonography machines and lack of expertise among trauma care providers. Chest X-ray is the most available investigation for chest injuries in low income countries. However it is not often safe to wheel seriously injured, unstable trauma patients to X-ray rooms. This study aimed at determining the efficacy of extended focused assessment with sonography for trauma (eFAST) in detection of haemothorax using thoracostomy findings as surrogate gold standard in a low resource setting.
Methods
This was an observational longitudinal study that enrolled 104 study participants with chest trauma. Informed consent was obtained from all participants. A questionnaire was administered and eFAST, chest X-ray and tube thoracotomy were done as indicated. Data were analysed using SPSS version 22. The sensitivity, specificity, predictive values, accuracy and area under the curve were determined using thoracostomy findings as the gold standard. Ethical approval for the study was obtained from the Research and Ethics Committee of Kampala International University Western Campus REC number KIU-2021-53.
Results
eFAST was found to be superior to chest X-ray with sensitivity of 96.1% versus 45.1% respectively. The accuracy was also higher for eFAST (96.4% versus 49.1%) but the specificity was the same at 100.0%. The area under the curve was higher for eFAST (0.980, P = 0.001 versus 0.725, P = 0.136). Combining eFAST and X-ray increased both sensitivity and accuracy.
Conclusion
This study revealed that eFAST was more sensitive at detecting haemothorax among chest trauma patients compared to chest X-ray. All patients presenting with chest trauma should have bedside eFAST for diagnosis of haemothorax.
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Wanjiku G, Dreizler L, Bell G, Wachira B. Feasibility of project ECHO telementoring to build capacity among non-specialist emergency care providers. Afr J Emerg Med 2022; 12:352-357. [PMID: 35945932 PMCID: PMC9352275 DOI: 10.1016/j.afjem.2022.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 05/09/2022] [Accepted: 07/24/2022] [Indexed: 11/23/2022] Open
Abstract
There is an urgent need to scale up training of the emergency care workforce. Virtual education platforms provide the opportunity to extend emergency medicine education, especially in light of disruptions caused by COVID-19. Project ECHO telementoring is a robust model that is amenable to emergency medical education. This paper describes the use of Project ECHO telementoring for PoCUS training in Kenya. We describe the challenges of implementation and potential ways to overcome them. The COVID-19 pandemic has led to global disruptions in emergency medicine (EM) teaching and training and highlighted the need to strengthen virtual learning platforms. This disruption coincides with essential efforts to scale up training of the emergency healthcare workforce, particularly in low-resource settings where the specialty is not well developed. Thus, there is growing interest in strengthening virtual platforms that can be used to support emergency medicine educational initiatives globally. These platforms must be robust, context specific and sustainable in low-resource environments. This report describes the implementation of Project ECHO (Extension for Community Healthcare Outcomes), a telementoring platform originally designed to extend specialist support to health care workers in rural and underserved areas in New Mexico. This platform has now been implemented successfully across the globe. We describe the challenges and benefits of the Project ECHO model to support a Point-of-Care Ultrasound (POCUS) training program for health care providers in Kenya who do not have specialty training in emergency medicine. Our experience using this platform suggests it is amenable to capacity building for non-specialist emergency care providers in low-resource settings, but key challenges to implementation exist. These include unreliable and costly internet access and lack of institutional buy-in.
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Affiliation(s)
- Grace Wanjiku
- The Warren Alpert Medical School of Brown University, Providence, RI, USA
- Corresponding author.
| | - Lindsay Dreizler
- The Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Gregory Bell
- University of Iowa Carver College of Medicine, Iowa City, IA, USA
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Bidner A, Bezak E, Parange N. Evaluation of antenatal Point-of-Care Ultrasound (PoCUS) training: a systematic review. MEDICAL EDUCATION ONLINE 2022; 27:2041366. [PMID: 35382705 PMCID: PMC8986272 DOI: 10.1080/10872981.2022.2041366] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
INTRODUCTION There is limited access to life-saving antenatal ultrasound in rural and low-resource settings largely due to shortages in skilled staff. Studies have shown healthcare practitioners can be upskilled in PoCUS through focused training, offering a viable solution to this deficit. However, standards for training and competency assessment are unclear and regulation surrounding practice is lacking. We aimed to review published literature examining antenatal PoCUS training programs, comparing teaching approaches and study methodologies. METHODS A search of electronic databases EMBASE, MEDLINE and Google Scholar was conducted. Original research articles evaluating antenatal PoCUS training of healthcare professionals worldwide were identified for analysis. Articles with limited detail on the PoCUS training intervention and those describing comprehensive diagnostic training programs were excluded. Evaluations were compared against the Kirkpatrick Evaluation Framework (KEF). RESULTS Twenty-seven studies were included from an initial search result of 484 articles. There was considerable heterogeneity between the PoCUS training programs described. Course duration ranged from 3 hours to 2 years, with 11 of the 27 studies delivering obstetric-exclusive content. 44% trained multidisciplinary groups of health professionals. Long-term follow-up training and skills assessments were lacking in over half of the reviewed studies. Study quality and reporting detail varied, but overall beneficial outcomes were reported with 3/4s of the studies reaching upper KEF levels 3 and 4. CONCLUSION PoCUS performed by upskilled healthcare professionals offers an attractive solution to the problem of inequitable access to antenatal ultrasound. A review of available literature highlighted a paucity of comparable high-quality studies needed to establish a stronger evidence base for antenatal PoCUS, and a need to standardise training and competency assessment. This review may inform educators, researchers and policy-makers on existing training formats and methodologies to assist in establishing best practice antenatal PoCUS training methods for safe service delivery by remote healthcare professionals.
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Affiliation(s)
- Amber Bidner
- Department of Allied Health and Human Performance, The University of South Australia, Adelaide, South Australia, Australia
- CONTACT Amber Bidner Department of Allied Health and Human Performance, The University of South Australia, Adelaide, South Australia, Australia
| | - Eva Bezak
- Department of Allied Health and Human Performance, The University of South Australia, Adelaide, South Australia, Australia
- Department of Physics, The University of Adelaide, Adelaide, South Australia, Australia
| | - Nayana Parange
- Department of Allied Health and Human Performance, The University of South Australia, Adelaide, South Australia, Australia
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Viner AC, Membe-Gadama G, Whyte S, Kayambo D, Masamba M, Makwakwa E, Lissauer D, Stock SJ, Norman JE, Reynolds RM, Magowan B, Freyne B, Gadama L. Training in Ultrasound to Determine Gestational Age (TUDA): Evaluation of a Novel Education Package to Teach Ultrasound-Naive Midwives Basic Obstetric Ultrasound in Malawi. Front Glob Womens Health 2022; 3:880615. [PMID: 35449708 PMCID: PMC9017789 DOI: 10.3389/fgwh.2022.880615] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 03/11/2022] [Indexed: 11/29/2022] Open
Abstract
Introduction Although ultrasound to determine gestational age is fundamental to the optimum management of pregnancy and is recommended for all women by the World Health Organisation, it remains unavailable to many women in low-income countries where trained practitioners are scarce. This study aimed to evaluate a novel, context-specific education package to teach midwives basic obstetric ultrasound, including the determination of gestational age by measurement of fetal femur length. Methods The study was conducted across six sites in Malawi in January 2021. Following a virtual "training of the trainers", local teams delivered a 10-day programme encompassing both didactic and "hands on" components. Matched pre and post course tests assessed participants' knowledge of key concepts, with Objective Structured Clinical Examinations used to evaluate practical skills. To achieve a pass, trainees were required to establish the gestational age to within ±7 days of an experienced practitioner and achieve an overall score of >65% on five consecutive occasions. A matched pre and post course survey explored participants' attitudes and confidence in performing ultrasound examinations. Results Of the 29 midwives who participated, 28 finished the programme and met the criteria specified to pass. 22 midwives completed the matched knowledge tests, with the mean (SD) score increasing from 10.2 (3.3) to 18 (2.5) after training (P <0.0001). Mean difference 7.9, 95% CI 6.5-9.2. Midwives passed 87% of the Observed Structured Clinical Examinations, establishing the gestational age to within ±7 days of an experienced practitioner in 89% of assessments. Beliefs regarding the importance of antenatal ultrasound increased post course (p = 0.02), as did confidence in performing ultrasound examinations (p <0.0001). Conclusion This study demonstrates not only that ultrasound-naive practitioners can be taught to perform basic obstetric ultrasound dating scans, confidently and competently, after 10 days of training, but also that local teams can be orientated to successfully deliver the programme virtually. Previous ultrasound training initiatives, while often more comprehensive in their syllabus, have been of considerably longer duration and this is likely to be a barrier to upscaling opportunities. We propose that this focused training increases the potential for widescale and sustainable implementation.
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Affiliation(s)
- Alexandra C. Viner
- Medical Research Council (MRC) Centre for Reproductive Health, The University of Edinburgh, Edinburgh, United Kingdom
| | - Gladys Membe-Gadama
- Department of Obstetrics and Gynaecology, University of Malawi College of Medicine, Blantyre, Malawi
| | - Sonia Whyte
- Liverpool Clinical Trials Centre, University of Liverpool, Liverpool, United Kingdom
| | | | - Martha Masamba
- Department of Obstetrics and Gynaecology, University of Malawi College of Medicine, Blantyre, Malawi
| | - Enita Makwakwa
- Malawi Epidemiology and Intervention Research Unit, Lilongwe, Malawi
| | - David Lissauer
- Malawi-Liverpool-Wellcome Research Programme, Blantyre, Malawi
- Women's and Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Sarah J. Stock
- Usher Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Jane E. Norman
- Faculty of Health Sciences, The University of Bristol, Bristol, United Kingdom
| | - Rebecca M. Reynolds
- Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, United Kingdom
| | - Brian Magowan
- Borders General Hospital, National Health Service (NHS) Borders, Melrose, United Kingdom
| | - Bridget Freyne
- Clinical Infection, Microbiology and Immunology, Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Luis Gadama
- Department of Obstetrics and Gynaecology, University of Malawi College of Medicine, Blantyre, Malawi
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Sun YK, Li XL, Wang Q, Zhou BY, Zhu AQ, Qin C, Guo LH, Xu HX. Improving the quality of breast ultrasound examination performed by inexperienced ultrasound doctors with synchronous tele-ultrasound: a prospective, parallel controlled trial. Ultrasonography 2022; 41:307-316. [PMID: 34794212 PMCID: PMC8942725 DOI: 10.14366/usg.21081] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 08/13/2021] [Accepted: 08/15/2021] [Indexed: 12/24/2022] Open
Abstract
PURPOSE This prospective study explored the value of synchronous tele-ultrasound (US) to aid doctors inexperienced in US with breast US examinations. METHODS In total, 99 patients were enrolled. Two trainee doctors who were inexperienced in US (trainee A [TA] and trainee B [TB]) and one doctor who was an expert in US completed the US examinations sequentially. TA completed the US examinations independently, while TB was instructed by the expert using synchronous tele-US. Subsequently, the expert performed on-site US examinations in person. Separately, they selected the most clinically significant nodule as the target nodule. Consistency with the expert and image quality were compared between TA and TB to evaluate tele-US. Furthermore, TB and the patients evaluated tele-US through questionnaires. RESULTS TB demonstrated higher consistency with the expert in terms of target nodule selection than TA (93.3% vs. 63.3%, P<0.001). TB achieved good inter-observer agreement (ICC, >0.75) with the expert on five US features (5/9, 55.6%), while TA only did so for one (1/9, 11.1%) (P=0.046). TB's image quality was higher than TA's in gray value, time gain compensation, depth, color Doppler adjustment, and the visibility of key information (P=0.018, P<0.001, P<0.001, P=0.033, and P=0.006, respectively). The comprehensive assessment score was higher for TB than for TA (3.96±0.82 vs. 3.09±0.87, P<0.001). Tele-US was helpful in 69.7% of US examinations and had a training effect in 68.0%. Furthermore, 63.6% of patients accepted tele-US and 60.6% were willing to pay. CONCLUSION Tele-US can help doctors inexperienced in US to perform breast US examinations.
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Affiliation(s)
- Yi-Kang Sun
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
| | - Xiao-Long Li
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
| | - Qiao Wang
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
| | - Bo-Yang Zhou
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
| | - An-Qi Zhu
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
| | - Chuan Qin
- Department of Ultrasound, Karamay Center Hospital, Karamay, China
| | - Le-Hang Guo
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
| | - Hui-Xiong Xu
- Center of Minimally Invasive Treatment for Tumor, Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
- Ultrasound Research and Education Institute, Clinical Research Center for Interventional Medicine, School of Medicine, Tongji University, Shanghai, China
- Shanghai Engineering Research Center of Ultrasound Diagnosis and Treatment, Shanghai, China
- National Clinical Research Center for Interventional Medicine, Shanghai, China
- Department of Ultrasound, Zhongshan Hospital, Fudan University, Shanghai, China
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Viner AC, Okolo ID, Norman JE, Stock SJ, Reynolds RM. Training in Ultrasound to Determine Gestational Age in Low- and Middle- Income Countries: A Systematic Review. Front Glob Womens Health 2022; 3:854198. [PMID: 35368997 PMCID: PMC8971706 DOI: 10.3389/fgwh.2022.854198] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 02/18/2022] [Indexed: 11/13/2022] Open
Abstract
IntroductionEstablishing an accurate gestational age is essential for the optimum management of pregnancy, delivery and neonatal care, with improved estimates of gestational age considered a public health priority by the World Health Organization (WHO). Although ultrasound is considered the most precise method to achieve this, it is unavailable to many women in low- and middle- income countries (LMICs), where the lack of trained practitioners is considered a major barrier. This systematic review explores what initiatives have previously been undertaken to train staff to date pregnancies using ultrasound, which were successful and what barriers and facilitators influenced training.MethodsThe systematic review was conducted according to PRISMA guidelines and the protocol registered (PROSPERO CRD42019154619). Searches were last performed in July 2021. Studies were screened independently by two assessors, with data extracted by one and verified by the other. Both reviewers graded the methodological quality using the Mixed Methods Assessment Tool. Results were collated within prespecified domains, generating a narrative synthesis.Results25/1,262 studies were eligible for inclusion, all of which were programme evaluations. Eighteen were undertaken in Africa, three in South-East Asia, one in South America, and three across multiple sites, including those in Africa, Asia, and South America. Five programs specified criteria to pass, and within these 96% of trainees did so. Trainee follow up was undertaken in 18 studies. Ten met recommendations for training outlined by the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) but only 1 met the current standards set by the WHO.DiscussionThis systematic review is the first to evaluate this topic and has uncovered major inconsistencies in the delivery and reporting of basic obstetric ultrasound training in LMICs, with the majority of programs not meeting minimum recommendations. By identifying these issues, we have highlighted key areas for improvement and made recommendations for reporting according to the RE-AIM framework. With an increasing focus on the importance of improving estimates of gestational age in LMICs, we believe these findings will be of significance to those seeking to develop and expand the provision of sustainable obstetric ultrasound in LMICs.Systematic Review Registrationhttps://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42019154619, PROSPERO CRD42019154619.
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Affiliation(s)
- Alexandra C. Viner
- Medical Research Council (MRC) Centre for Reproductive Health, The University of Edinburgh, Edinburgh, United Kingdom
- *Correspondence: Alexandra C. Viner
| | - Isioma D. Okolo
- Program in Global Surgery and Social Change, Harvard Medical School, Boston, MA, United States
| | - Jane E. Norman
- Faculty of Health Sciences, The University of Bristol, Bristol, United Kingdom
| | - Sarah J. Stock
- Usher Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Rebecca M. Reynolds
- Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, United Kingdom
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23
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Okawa Y. Development of colonic transit time and ultrasound imaging tools as objective indicators for assessing abnormal defecation associated with food intake: a narrative review based on previous scientific knowledge. Biopsychosoc Med 2021; 15:20. [PMID: 34742336 PMCID: PMC8572427 DOI: 10.1186/s13030-021-00222-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 10/18/2021] [Indexed: 12/16/2022] Open
Abstract
Background Functional gastrointestinal disorders (FGIDs) involve chronic or persistent gastrointestinal symptoms. Laboratory tests show no organic lesions, and the symptoms are due to dysfunction. The most typical FGID is irritable bowel syndrome (IBS). In IBS patients, defecation disorders are common and have adverse effects on daily life. The proper evaluation and analysis of colonic transit are important for the management of defecation disorders in IBS patients. In addition, dietary intake and lifestyle affect colonic transit. An accurate assessment of such factors can guide management, leading to improvements in colonic transit and the resolution of defecation disorders. Main topic The Rome IV diagnostic criteria for IBS are based on subjective symptoms, which must be communicated and explained by the patient, limiting their application. Colonic transit time and ultrasonography are objective tools that can be used to diagnose IBS. In particular, previous studies used colonic transit to accurately distinguish between constipation and normal stool passage and to assess delayed gastrointestinal motility. Diet and lifestyle modifications can improve colonic transit and ameliorate bowel dysfunction. Conclusion Colonic transit can be improved by modifying lifestyle factors. Defecation disorders in IBS patients may be resolved by focusing on such factors. In the future, methods of visualizing defecation disorders due to impaired gastrointestinal motility and objective indicators of the associated abdominal symptoms need to be investigated.
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Affiliation(s)
- Yohei Okawa
- Department of Behavioural Medicine, Tohoku University Graduate School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8575, Japan.
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Vinayak S, Temmerman M, Villeirs G, Brownie SM. A Curriculum Model for Multidisciplinary Training of Midwife Sonographers in a Low Resource Setting. J Multidiscip Healthc 2021; 14:2833-2844. [PMID: 34675531 PMCID: PMC8505681 DOI: 10.2147/jmdh.s331371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/08/2021] [Indexed: 11/23/2022] Open
Abstract
In many low-resource settings, less than 5% of pregnant women can access ultrasound during pregnancy. Thus, gestational age is often difficult to determine, multiple pregnancies are diagnosed late and foetal and pregnancy-related anomalies can go undetected. A pilot solution was designed beyond the traditional approach of increasing numbers of qualified radiologists, gynaecologists and sonographers. An innovative Human Resource for Health (HRH) task sharing, and maternal child health (MCH) workforce training and capacity building initiative was designed, involving development and testing of a curriculum to train midwife sonographers via a teleradiology innovation platform and a partnership between specialist radiologists, sonographers and midwives. The setting was a tertiary-level private university hospital in Nairobi with implementation in three outreach locations. Direct oversight, support and supervision of specialist radiologists and ultrasonographers effectively addressed issues of quality and safety across the 3-week training period and project implementation. Concepts from sociocultural learning theory informed an initial interactive e-learning module for each midwife at their respective site. Midwives were introduced to ultrasound equipment with a series of didactic and interactive lectures delivered by an expert sonographer at the tertiary hospital teaching site. Lectures were supported by hands-on practical experience, role modelling and mentoring over a four-week period. Assessments included both written examination and practical assessment with an exit examination requiring demonstration of competency in both written and practical format. Final confirmation of scanning accuracy was confirmed with post-delivery verification of results. The pilot was highly successful with an image interpretation accuracy of 99.63% for the midwives. Lessons from this initiative provides guidance in the curriculum development process along with a curriculum outline; pedagogical framework; teaching methods; assessment processes; credentialing; resourcing; and other considerations in scaling up the program. Importantly, the paper details processes for maintaining a high level of quality control and patient safety.
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Affiliation(s)
- Sudhir Vinayak
- Department of Medical Imaging, Aga Khan University Hospital, Nairobi, Kenya
| | - Marleen Temmerman
- Department of Obstetrics & Gynaecology, Aga Khan University Hospital, Nairobi, Kenya.,Department of Obstetrics & Gynaecology, Ghent University, Ghent, Belgium
| | - Geert Villeirs
- Department of Diagnostics, Ghent University Hospital, Ghent, Belgium
| | - Sharon M Brownie
- School of Nursing, Midwifery and Public Health, University of Canberra, Canberra, ACT, Australia.,School of Medicine, Griffith University, Queensland, Australia.,Centre for Health and Social Practice, Wintec, Hamilton, New Zealand
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25
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Jain V, O'Quinn C, Van den Hof M. Guideline No. 421: Point of Care Ultrasound in Obstetrics and Gynaecology. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2021; 43:1094-1099.e1. [PMID: 34242823 DOI: 10.1016/j.jogc.2021.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To provide an opinion regarding the usefulness of point of care ultrasound in obstetrics and gynaecology. TARGET POPULATION Women with pregnancy-related complications or issues who could benefit from an urgent bedside sonographic evaluation. OPTIONS Point of care ultrasound is a readily accessible option, requiring few resources. BENEFITS, HARMS, AND COSTS This low-cost imaging option can expedite appropriate patient management, enhance provider confidence, and allay the patient's anxiety in a timely fashion. However, there is potential for error in imaging or interpretation, resulting in incorrect and potentially harmful patient management. EVIDENCE MEDLINE, PubMed, Embase, and the Cochrane Library weres earched from 2009 to 2019. Medical Subject Headings (MeSH) and keywords were related to pregnancy, PoCUS, point of care ultrasound, and bedside ultrasound. This document represents an abstraction of the evidence rather than a methodological review. VALIDATION METHODS The authors rated the quality of evidence and strength of recommendations using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) approach. See online Appendix A (Tables A1 for definitions and A2 for interpretations of strong and weak recommendations). INTENDED AUDIENCE Providers of urgent care for pregnant women (obstetricians and gynaecologists, family physicians, emergency room physicians, midwives, nurse practitioners, nurses). SUMMARY STATEMENT (GRADE RATINGS IN PARENTHESES) RECOMMENDATIONS (GRADE RATINGS IN PARENTHESES).
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26
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Limani F, Dula D, Keeley AJ, Joekes E, Phiri T, Tembo E, Gadama L, Nnensa V, Jordan S, Mallewa J, Kreuels B. Diagnostic point-of-care ultrasound in medical inpatients at Queen Elizabeth Central Hospital, Malawi: an observational study of practice and evaluation of implementation. Trans R Soc Trop Med Hyg 2021; 115:863-869. [PMID: 33197258 PMCID: PMC8326953 DOI: 10.1093/trstmh/traa137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/23/2020] [Accepted: 11/02/2020] [Indexed: 11/14/2022] Open
Abstract
Background In less well-resourced settings, where access to radiology services is limited, point-of-care ultrasound (POCUS) can be used to assess patients and guide clinical management. The aim of this study was to describe ultrasound practice in the assessment of medical inpatients at Queen Elizabeth Central Hospital, Blantyre, Malawi, and evaluate uptake and impact of POCUS following the introduction of a training programme at the college of Medicine, Blantyre, Malawi. Methods : A weekly prospective record review of sequential adult medical inpatients who had received an ultrasound examination was conducted. Results Of 835 patients screened, 250 patients were included; 267 ultrasound examinations were performed, of which 133 (50%) were POCUS (defined as performed by a clinician at the bedside). The time from request to performance of examination was shorter for POCUS examinations than radiology department ultrasound (RDUS) (median 0 [IQR 0–2, range 0–11] vs 2 [IQR 1–4, range 0–15] d, p=0.002); 104/133 (78.2%) POCUS and 90/133 (67.7%) RDUS examinations were deemed to have an impact on management. Conclusion Following the introduction of a training programme in POCUS, half of all ultrasound examinations were delivered as POCUS. POCUS was performed rapidly and impacted on patient management. POCUS may relieve the burden on radiology services in less well-resourced settings.
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Affiliation(s)
- Fumbani Limani
- Department of Medicine, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi.,Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi
| | - Dingase Dula
- Department of Medicine, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi.,Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi
| | - Alexander J Keeley
- The Florey Institute, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK
| | - Elizabeth Joekes
- Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, L3 5QA, UK
| | - Tamara Phiri
- Department of Medicine, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi.,Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi
| | - Ephraim Tembo
- Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi
| | - Luis Gadama
- Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi.,Department of Obstetrics and Gynaecology, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi
| | - Victoria Nnensa
- Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi.,Department of Obstetrics and Gynaecology, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi
| | - Sabine Jordan
- Department of Tropical Medicine, Bernhard Nocht Institute for Tropical Medicine & I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
| | - Jane Mallewa
- Department of Medicine, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi.,Queen Elizabeth Central Hospital, Chichiri, Blantyre, Malawi
| | - Benno Kreuels
- Department of Medicine, College of Medicine, University of Malawi, Private Bag 360, Blantyre 3, Malawi.,Department of Tropical Medicine, Bernhard Nocht Institute for Tropical Medicine & I. Department of Medicine, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany
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27
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Jain V, O'Quinn C, Van den Hof M. Directive clinique no 421 : Échographie au chevet en obstétrique et gynécologie. JOURNAL OF OBSTETRICS AND GYNAECOLOGY CANADA 2021; 43:1100-1106.e1. [PMID: 34245875 DOI: 10.1016/j.jogc.2021.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Point-of-Care Ultrasound: Applications in Low- and Middle-Income Countries. CURRENT ANESTHESIOLOGY REPORTS 2021; 11:69-75. [PMID: 33424456 PMCID: PMC7785781 DOI: 10.1007/s40140-020-00429-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/21/2020] [Indexed: 01/31/2023]
Abstract
Purpose of Review This review highlights the applications of point-of-care ultrasound in low- and middle-income countries and shows the diversity of ultrasound in the diagnosis and management of patients. Recent Findings There is a paucity of data on point-of-care ultrasound in anesthesiology in low- and middle-income countries. However, research has shown that point-of-care ultrasound can effectively help manage infectious diseases, as well as abdominal and pulmonary pathologies. Summary Point-of-care ultrasound is a low-cost imaging modality that can be used for the diagnosis and management of diseases that affect low- and middle-income countries. There is limited data on the use of ultrasound in anesthesiology, which provides clinicians and researchers opportunity to study its use during the perioperative period.
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29
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Schroeder AN, Kruse RC. The Future of Virtual Sports Ultrasound Education and Collaboration. Curr Sports Med Rep 2021; 20:57-61. [PMID: 33395131 DOI: 10.1249/jsr.0000000000000802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
ABSTRACT Sports ultrasound (US) is a rapidly advancing and expanding field, where "hands-on" education and real-time instructor feedback are paramount in developing this skill. In light of a global pandemic and limited access to instructors and educational conferences, sports US education must adapt to continue to teach future ultrasonographers. Virtual US education, conducted using various virtual meeting platforms not only allows for continued didactic education but also can virtually recreate the "hands-on" training sessions with live, immediate instructor feedback that is necessary for acquiring competence. Additionally, using these methods, sports US conferences can continue in a virtual manner, sports US education can expand remote areas, and collaboration among distant experts may increase, all without the cost of travel and extended time away from work. While immediately relevant because of the COVID-19 pandemic, virtual US methods may continue to be beneficial as sports US education and collaboration continue to expand.
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Affiliation(s)
- Allison N Schroeder
- Department of Physical Medicine and Rehabilitation, University of Pittsburgh Medical Center
| | - Ryan C Kruse
- Department of Orthopedics and Rehabilitation, University of Iowa Sports Medicine, Iowa City, IA
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Abstract
Functional gastrointestinal disease is one in which gastrointestinal symptoms persist chronically or recurrently. This disease is challenging because it does not have an organic cause that can be detected in routine laboratory tests. Among them, the symptoms of irritable bowel syndrome (IBS), which is a type of functional gastrointestinal tract disease, include abnormal bowel movements associated with abdominal pain. However, no specific test has been established to definitively diagnose these diseases, including IBS. The traditional Rome IV diagnostic criteria are used to diagnose IBS by assessing subjective symptoms. However, it has been suggested that IBS is difficult to diagnose using the Rome IV criteria among unconscious or cognitively impaired patients. It is recommended that abdominal ultrasonography be used to assess IBS with diarrhea and constipation. Previously, constipation among elderly people who ingested food orally was objectively assessed by ultrasound, and colonic fecal distribution patterns were classified in constipated patients and healthy people. Objective visualization of the large intestine was used to assess constipation. Therefore, fecal retention among adults and elderly individuals was reported using ultrasonography. It was suggested that stool retention could be confirmed by observing the hyperechoic region of the rectum. Strong hyperechoic regions with acoustic shadows in the rectum indicate the presence of hard stools, thus enabling medical workers to identify constipation. In the future, ultrasonography may be useful for diagnosing IBS in unconscious patients or those with cognitive decline.
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Affiliation(s)
- Yohei Okawa
- Department of Nursing, Kochi University School of Medicine, Japan
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31
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Shrestha R, Blank W, Shrestha AP, Pradhan A. Evaluation of Interdisciplinary Emergency Ultrasound Workshop for Primary Care Physicians in Nepal. Open Access Emerg Med 2020; 12:99-109. [PMID: 32431554 PMCID: PMC7200392 DOI: 10.2147/oaem.s246656] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/18/2020] [Indexed: 12/22/2022] Open
Abstract
PURPOSE Point-of-care ultrasound (POCUS) is a quick bedside tool that has the potential to improve emergency care in resource-limited settings due to its relatively low cost and accessibility. Effort to disseminate the knowledge and skills about POCUS is inadequate in low and middle income countries like Nepal. We conducted a two-day interdisciplinary advanced emergency ultrasound workshop that targeted physicians working in emergency department and primary care, especially in rural Nepal. We explored the effectiveness of this training based on validated Kirkpatrick's 4 steps of evaluating training outcomes. MATERIALS AND METHODS We conducted a prospective quasi-experimental study with mixed research design. Multidisciplinary physicians working in emergency departments participated in the two-day workshop. We assessed and compared the pre- and post-workshop knowledge. We collected on-site and a follow-up feedback to explore pre- and post-workshop confidence level, perceived usefulness and clinical use of ultrasound using a 5-point Likert scale. The barriers to use POCUS were explored. RESULTS A total of 50 physicians from different parts of Nepal participated in the workshop. The academic level of the participants, duration of their clinical experience and the previous use of POCUS did not have a significant difference in their pre- and posttest knowledge scores. The difference between the median (IQR) pre- and posttest scores [14 (12.75-17.75) and 24.5 (22.25-25.5), respectively] was statistically significant (p<0.001). Perceived confidence level and usefulness of the POCUS increased significantly in all of its domains (p<0.001). Self-reported increase in its clinical use was significant (p<0.001) for all fields. CONCLUSION The participation in this emergency ultrasound workshop increased the knowledge of participants in POCUS. Their confidence, perceived usefulness and clinical use of POCUS improved significantly. Objective longitudinal follow-up of participants' skill and demonstration of increased clinical use of POCUS in emergency department influencing the clinical outcome would be the focus of future research.
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Affiliation(s)
- Roshana Shrestha
- Department of General Practice and Emergency Medicine, Kathmandu University School of Medical Sciences, Dhulikhel, Kavrepalanchok, Nepal
| | - Wolfgang Blank
- Medical Clinic I, Klinikum am Steinenberg Reutlingen Teaching Hospital, University Tübingen, Tübingen, Germany
| | - Anmol Purna Shrestha
- Department of General Practice and Emergency Medicine, Kathmandu University School of Medical Sciences, Dhulikhel, Kavrepalanchok, Nepal
| | - Alok Pradhan
- Department of General Practice and Emergency Medicine, Kathmandu University School of Medical Sciences, Dhulikhel, Kavrepalanchok, Nepal
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Efficacy of an education program for nurses that concerns the use of point-of-care ultrasound to monitor for aspiration and pharyngeal post-swallow residue: A prospective, descriptive study. Nurse Educ Pract 2020; 44:102749. [PMID: 32179438 DOI: 10.1016/j.nepr.2020.102749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 11/11/2019] [Accepted: 02/26/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND For nurses to provide swallowing care that is appropriate to individual patients' swallowing functions, techniques for using ultrasound to monitor for aspiration and pharyngeal post-swallow residue would be helpful. OBJECTIVES This study seeks to clarify the effectiveness of an education program concerning the use of ultrasound to assess swallowing function (the "Swallowing Point-of-Care Ultrasound Education Program"). This assessment is based on a comparison of the observation skills of general nurses' and certified nurses in dysphagia nursing in this regard; both groups underwent the education program, but dysphagia nurses have greater knowledge of swallowing functions as a result of their training. METHODS This prospective descriptive study was conducted as a post-graduate education program in two locations in Japan. The swallowing point-of-care ultrasound education program comprised four elements: e-learning, practical seminar, self-learning, and objective structured clinical examination. The objective structured clinical examination was used after the program to assess whether the participants had obtained the necessary skills. The general nurses were then asked to report the ease-of-use of the education materials. RESULTS Of the 32 participants enrolled in the program, 22 general nurses and nine dysphagia nurses completed the program. In the objective structured clinical examination concerning monitoring for aspiration, the dysphagia-nurses group had a higher proportion of participants evaluated as "excellent" (p = 0.007); this group had a significantly higher ability to maintain adequate images during the swallowing process than did the general-nurse group (p = 0.034). However, there was no difference between the two groups regarding monitoring for post-swallowing residue. Further, over 70% of the nurses gave a positive evaluation of the user-friendliness of the e-learning and practical seminar. CONCLUSIONS Our results suggest that the swallowing point-of-care ultrasound education program provides both general nurses and dysphagia nurses with sufficient knowledge and skill to monitor for aspiration and post-swallowing residue.
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Sabatino V, Caramia MR, Curatola A, Vassallo F, Deidda A, Cinicola B, Iodice F, Caffarelli C, Sverzellati N, Buonsenso D. Point-of-care ultrasound (POCUS) in a remote area of Sierra Leone: impact on patient management and training program for community health officers. J Ultrasound 2020; 23:521-527. [PMID: 31919811 DOI: 10.1007/s40477-019-00426-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/19/2019] [Indexed: 12/28/2022] Open
Abstract
PURPOSE Point-of-care ultrasound (POCUS) has been shown to have unique potential in low-income countries. Physicians and other healthcare providers can perform effective scans after a short period of training. This study aimed to evaluate indications and utility of ultrasonography as the main imaging service in a poor rural sub-Saharan region of Africa. Second, it evaluated the effect of a short training on POCUS for non-physician health providers and their agreement with a group of Italian physicians. METHODS This study was undertaken in Lokomasama-a chiefdom of Sierra Leone-between January and February 2019. Based on clinical indications, ultrasound findings were evaluated with respect to the initial diagnostic hypothesis. Volunteer doctors conducted a theoretical-practical training of two community health officers (CHO) on chest and abdominal POCUS and E-FAST protocol. The evaluation of the achieved technical skills was obtained with a numeric score. Inter-observer agreement concerning ultrasound diagnosis based on clinical indications was assessed. RESULTS A total of 196 consecutive patients underwent ultrasound examination. POCUS findings were in keeping with the clinical diagnosis in the 49.5%. POCUS changed the initial diagnosis in 17% of cases. After training, E-FAST and POCUS knowledge score was 90% and 83%, respectively. An excellent inter-observer agreement (0.88) was found between CHOs and physicians. CONCLUSION POCUS represents a powerful diagnostic tool in a low-income country that may improve the patient management. Training of non-physician health providers is doable and may improve healthcare management in resource-limited settings.
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Affiliation(s)
- Vittorio Sabatino
- Section of Radiology, Unit of Surgical Sciences, Department of Medicine and Surgery (DiMeC), University of Parma, Parma, Italy
| | - Maria Rosaria Caramia
- Clinica Pediatrica, Department of Medicine and Surgery, University of Parma, 43100, Parma, Italy
| | | | | | - Andrea Deidda
- Emergency Pediatric Department, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | | | | | - Carlo Caffarelli
- Clinica Pediatrica, Department of Medicine and Surgery, University of Parma, 43100, Parma, Italy
| | - Nicola Sverzellati
- Section of Radiology, Unit of Surgical Sciences, Department of Medicine and Surgery (DiMeC), University of Parma, Parma, Italy
| | - Danilo Buonsenso
- Università Cattolica del Sacro Cuore, Rome, Italy. .,Department of Woman and Child Health and Public Health, Child Health Area, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
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Ultrasound in the Limited-Resource Setting: A Systematic Qualitative Review. CURRENT RADIOLOGY REPORTS 2019. [DOI: 10.1007/s40134-019-0331-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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