Experimental model standardizing polyvinyl alcohol hydrogel to simulate endoscopic ultrasound and endoscopic ultrasound-elastography
Elymir S Galvis-García, Unidad de Endoscopía Gastrointestinal, Hospital General de México "Dr. Eduardo Liceaga", Mexico 06720, Mexico
Sergio Sobrino-Cossío, Unidad de Endoscopia y Fisiología Digestiva, Hospital Ángeles del Pedregal, Mexico 10700, Mexico
Arturo Reding-Bernal, Dirección de Investigación, Hospital General de México “Dr. Eduardo Liceaga”, Mexico 06720, Mexico
Yesica Contreras-Marín, Karina Solórzano-Acevedo, Unidad Profesional Interdisciplinaria de Biotecnología and Unidad de Investigación y Desarrollo Tecnológico, Instituto Politécnico Nacional and Hospital General de México "Dr. Eduardo Liceaga", Mexico 06720, Mexico
Patricia González-Zavala, Instituto de Investigaciones en Materiales and Unidad de Investigación y Desarrollo Tecnológico, Universidad Nacional Autónoma de México and Hospital General de México "Dr. Eduardo Liceaga", Mexico 06720, Mexico
Rosa M Quispe-Siccha, Unidad de Investigación y Desarrollo Tecnológico, Hospital General de México "Dr. Eduardo Liceaga", Mexico 06720, Mexico
Author contributions: Quispe Siccha RM established the design and concept of the study; Galvis García ES and Sobrino Cossío S executed the figures; Quispe Siccha RM, González Zaval P, Contreras Marín Y and Solórzano Acevedo K provided and validated the PVA phantoms; Sobrino Cossío S, Galvis García ES, Reding Bernal A and Quispe Siccha RM analyzed data from the literature, and Reding Bernal A performed the statistical analysis; Sobrino Cossío S and Quispe Siccha RM edited the first draft of the manuscript, which was critically discussed and revised in terms of intellectual content by Galvis García ES and Reding Bernal A; all authors discussed the statement and conclusions and approved the final version for publication.
Institutional review board statement: The study was reviewed and approved by the Science and Research Office of Hospital General de México “Dr. Eduardo Liceaga” (México) (Approval No. DI/12/11/04/017).
Informed consent statement: Patient details on ultrasound/elastography images have been removed to ensure anonymity.
Conflict-of-interest statement: There are no conflicts of interest to report.
Data sharing statement: No additional data are available.
STROBE statement: The authors have read the STROBE Statement-checklist of items, and the manuscript was prepared and revised according to the STROBE Statement-checklist of items.
Open-Access: This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Corresponding author: Rosa M Quispe-Siccha, PhD, Academic Research, Research Scientist, Unidad de Investigación y Desarrollo Tecnológico, Hospital General de México "Dr. Eduardo Liceaga", Dr. Balmis 148, Doctores, Cuauhtémoc, Mexico 06720, Mexico. firstname.lastname@example.org
Received: April 30, 2020
Peer-review started: April 30, 2020
First decision: May 15, 2020
Revised: July 27, 2020
Accepted: August 15, 2020
Article in press: August 15, 2020
Published online: September 14, 2020