Retrospective Study Open Access
Copyright ©The Author(s) 2015. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Otorhinolaryngol. Feb 28, 2015; 5(1): 30-36
Published online Feb 28, 2015. doi: 10.5319/wjo.v5.i1.30
Complicated sinusitis in children: 18 cases report
Ali Mardassi, Nabil Mathlouthi, Hajer Mbarek, Chiraz Halouani, Sameh Mezri, Cyrine Zgolli, Ghassen Chebbi, Rania Ben Mhamed, Khemaies Akkari, Sonia Benzarti
Ali Mardassi, Nabil Mathlouthi, Hajer Mbarek, Chiraz Halouani, Sameh Mezri, Cyrine Zgolli, Ghassen Chebbi, Rania Ben Mhamed, Khemaies Akkari, Sonia Benzarti, ENT Department, Military Hospital, Tunis 1008, Tunisia
Author contributions: All authors contributed to the collection of data, the redaction of the manuscript and had approved this final version of the article.
Ethics approval: The study has been approved by the medical ethics committee of the military hospital, Tunis, Tunisia.
Informed consent: The legal guardian of all study participants provided informed written consent prior to study enrollment.
Conflict-of-interest: None.
Data sharing: Technical appendix, statistical code, and dataset available from the corresponding author at alimardassi@gmail.com.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (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/
Correspondence to: Ali Mardassi, MD, ENT Department, Military Hospital, Montfleury, Tunis 1008, Tunisia. alimardassi@gmail.com
Telephone: +216-22-552252
Received: September 27, 2014
Peer-review started: September 28, 2014
First decision: November 19, 2014
Revised: December 13, 2014
Accepted: December 29, 2014
Article in press: December 31, 2014
Published online: February 28, 2015

Abstract

AIM: To precise the clinical characteristics of rhinosinusitis in pediatric population, their complications and therapeutic approaches.

METHODS: All infants younger than 15 years admitted to the Ear, Nose and Throat Department of the Military Hospital of Tunis, Tunisia for a complicated rhinosinusitis between 2006 and 2013 were evaluated. Data related to patients and the disease were collected and analyzed: past medical history, complaints, clinical examination, radiologic findings, therapeutic management and evolution.

RESULTS: Eighteen cases were identified with a mean age of 5.1 years (5 mo to 13 years) (SD ± 3.1). A male preponderance was noted in 72% of the cases. Rhinorrhea and fever were the most common presenting symptoms. Radiological explorations (computed tomography-scan ± magnetic resonance imaging) have been practiced for all of our patients. Orbital involvement was found in 77% of the cases associated with meningitis in 2 cases. Antibiotherapy was prescribed to all our patients. Surgical procedures were performed in 8 cases: endoscopic sinus surgery and/or external drainage of orbital abscess. After an average follow-up period of 2.5 years, 3 of our patients were lost. The ophthalmic sequelae noted in 3 cases (16%) were permanent and caused important functional and social problems. A favourable outcome has been noted in the rest of our patients.

CONCLUSION: Rhinosinusitis can be extremely severe in children requiring urgent radiological imaging and aggressive treatment to avoid orbital and intracranial complications.

Key Words: Rhinosinusitis, Children, Imaging, Orbit, Meningitis, Antibiotherapy, Surgery

Core tip: Rhinosinusitis is a common condition in childhood. However, complicated cases occur less frequently and are potentially life-threatening. The clinical presentation is often modified by a prior antibiotic prescription. In this paper we report our experience in the management of complicated sinusitis in infants and compare it with literature data. Orbito-cranial extension must be suspected in presence of proptosis, Swelling and/or redness of the eye or persistent headache. Urgent contrast-enhanced computed tomography-scan is the recommended initial imaging. Once the diagnosis confirmed, intravenous antibiotherapy should be started. Surgery is indicated in selected cases. A regular follow-up is mandatory.



INTRODUCTION

Acute rhinosinusitis is a relatively common disease affecting both children and adults. Its prevalence rate is between 6% and 12% with viral origin in most cases and a bacterial one in only 0.5%-2%[1]. Fungi have been described as causative agents especially in immunocompromised patients[2,3]. Diagnostic criteria and therapeutic management are still a controversial issue. Complications of acute bacterial rhinosinusitis are uncommon in children, but they can be extremely severe and potentially life threatening[1,4,5]. Mortality rate has decreased significantly from 42% in the 1950s to 12% in the 1990s thanks to medical progress[5].

MATERIALS AND METHODS

We retrospectively reviewed the medical records of complicated rhinosinusitis in children admitted to the Ear-Nose-Throat Department of the Military Hospital of Tunis Tunisia between 2006 and 2013. The children treated for an acute and non complicated rhinosinusitis by oral therapy and without the need for an overnight stay in hospital were excluded from the study. Parameters recorded were epidemiologic data, clinical presentation, biological results, radiological investigations, localization of affected sinuses, types and sites of complications, therapeutic management and outcomes.

Statistical analysis

In this retrospective and descriptive study, 18 patients have been reported. For quantitative data, the mean and the standard deviation have been obtained. For qualitative data, the percentage of each sub-group has been calculated. The statistical method is adequate because there was no comparison between the variables. P-value was not calculated since no hypotheses are tested in the study.

RESULTS

Eighteen children with complicated rhinosinusitis were identified over 8 years (2006 to 2013). Ages ranged from 5 mo to 13 years with an average of 5.1 years (SD ± 3.1). A male preponderance was noted in 72% of the cases. No medical history of allergic rhinitis or sinusitis has been found. Besides, our patients

weren’t suffering from any immunodeficiency disorders. The main complaints reported were: rhinorrhea (16/18; 88.9%), fever (10/18; 55.6%) headache (2/18; 11.1%) and ophthalmic signs (14/18; 77.8%). The duration of symptoms prior to presentation was inferior to 7 d in 71.4% of the cases (2-10 d). Prior antibiotic treatment has been prescribed for 6 patients (33%). The results of the clinical examination are resumed in Table 1.

Table 1 Data of the clinical examination.
FindingsNo. of cases%
Nasal endoscopyCongestion and pus at the middle meatus527.78
Purulent discharge at the nasopharynx211.12
Polypoïd lesion15.56
Ophthalmic examCongestion of the upper eyelid844.45
Swelling and/or redness at the medial angle of the eye633.34
limitation in the medial ocular movement527.78
Signs of meningeal irritation211.12

Brain and sinus CT-scan have been practiced for all our patients and brain magnetic resonance imaging (MRI) in 2 cases. The most frequent localization of sinusitis was ethmoïd (77%), ethmoïd + maxillary (33%) and the sphenoid sinus (11%). According to Chandler’s classification, orbital complications were divided into: class II (7 cases; 38%), class III (4 cases; 22%), class IV (2 cases; 11%) and class V (1 case; 5%) (Table 2) (Figures 1-4). In case of sphenoiditis, different degrees of bony lysis have been noted (Figures 5 and 6).

Figure 1
Figure 1 Swelling and redness at the level of the left upper eyelid (A); the computed tomography-scan shows a fulfilling of the ethmoïd cells and the left maxillary sinus (B).
Table 2 Findings of the imaging exams.
No. of cases%
Sites of the lesionsEthmoïd1477.78
Ethmoïd + maxillary633.34
Sphenoid211.12
Lytic bone lesions211.12
Orbital complicationsCass II: orbital cellulitis738.89
Class III: periosteal abscess422.23
Class IV: orbital abscess211.12
Class V: cavernous sinus thrombosis15.56
Meningeal reaction211.12
Figure 2
Figure 2 Bilateral ethmoiditis (A and B) complicated by a subperiosteal abscess (arrows).
Figure 3
Figure 3 Right ethmoiditis complicated by intraorbital abscess (A and B).
Figure 4
Figure 4 Intraorbital abscess displacing the ocular globe anteriorly and laterally (arrow).
Figure 5
Figure 5 Sphenoiditis with bony lysis and a notable regression of the inflammatory lesions in a 9-year-old child. Sphenoiditis in a 9-year-old child with bony lysis in computed tomography-scan (A, B and C) and magnetic resonance imaging (D). The regression of the inflammatory lesions after sphenoidotomy and antibiotherapy was partial after 3 wk (E and F) and complete after 5 wk (G and H).
Figure 6
Figure 6 Sphenoiditis with meningitis in an 11-year-old child treated by sphenoidotomy and intravenous antibiotherapy. Note the lytic lesions of the sphenoid bone (A-C). The computed tomography-scan, performed after 1 mo shows a complete regression of the inflammatory signs (D-F).

Laboratory tests found leukocytosis in 9 cases and elevation of the C-reactive-protein in 6 cases (33%).

Medical treatment was based on intravenous antibiotherapy for all the patients. Intravenous heparin at curative dose has been administrated in the case of the cavernous sinus thrombosis for 3 wk. A complementary surgical intervention was indicated in 8 cases. All medical and surgical treatments are detailed in Table 3.

Table 3 Therapeutic procedures.
No. of cases%
Medical treatmentCefotaxime (100 mg/kg/j) + fosfomycin (100 mg/kg/j)1477.78
Cefotaxime + fosfomycin + amikacin (15 mg/kg/j)211.12
Cefotaxime (200 mg/kg/j) + vancomycine (60 mg/kg/j)211.12
Intravenous heparin (Bolus 50 units/kg, 2 units/kg per hour)15.56
SurgeryExternal medial orbitotomy422.23
Endonasal orbitotomy211.12
Sphenoidotomy211.12

The outcomes were almost good in cases of class II and III ethmoiditis after medical or medicosurgical treatment. The clinical signs (fever, pain, swelling) disappeared in a period of 5 to 10 d. No ophthalmic complications have been noted among this group of patients.

For class IV “Chandler” complications (orbital abscess = 2 patients) and for the cavernous sinus thrombosis (1 case), severe ophthalmic sequelae have been diagnosed: ophtalmoplegia, loss of vision and 3rd, V1 and V2 cranial nerve palsies.

The 2 cases of sphenoiditis have benefited from endoscopic sphenoidotomy with intravenous antibiotherapy (Figure 7). The computed tomography (CT)-scan showed during the follow-up, a notable regression of the inflammatory lesions (Figures 5 and 6). The regression of the lytic bone lesions have taken several months but without notable clinical signs.

Figure 7
Figure 7 Sphenoiditis have benefited from endoscopic sphenoidotomy with intravenous antibiotherapy. Nasal endoscopy showing an inflammatory polyp with purulent secretions coming from the right sphenoid sinus (A). The sphenoidotomy revealed an inflammatory granuloma into the sphenoid cavity (B).

After an average follow-up period of 2.5 years, 3 of our patients were lost. The ophthalmic sequelae noted in 3 cases (16%) were permanent and caused important functional and social problems. A favourable outcome has been noted in the rest of our patients.

DISCUSSION

Rhinosinusitis is one of the most common diseases during childhood, accounting for nearly a quarter of all pediatric antibiotic prescriptions[6]. It is most of the time efficiently treated with nasal decongestants with or without antibiotics. Recovery is obtained in most cases of acute rhinosinusitis, however, between 5% and 10% will go on to develop complications[7]. Complicated rhinosinusitis has been described as the adverse progression of bacterial infection beyond the paranasal sinuses. Complications are divided into orbital, intracranial or mixed manifestations[1,8]. Sinus infection can spread through either direct, hematogenous, or by retrograde extension, along the valve-less diploic veins[4,5]. Orbital complications are more common than intracranial ones and are often classified using the criteria of Chandler[1,4,5]. Briefly, class I is “preseptal cellulitis”, class II is “orbital cellulitis”, class III is “subperiosteal abscess”, class IV is “orbital abscess” and class V is “cavernous sinus thrombosis”[9]. Intracranial complications of rhinosinusitis consist of meningitis, subdural empyema, epidural and cerebral abscess, and venous sinus thrombosis[5]. The most common of this type of complications is different from one series to another. It was subdural empyema in Yew Kwang Ong[5], Skelton[10] and Jones’s series[11], however for Clayman[12] and Giannoni[13] it was cerebral abscess. Orbital complications occur most commonly in younger children[4]. However, the extension to intracranial structures is rare in children under the age of 7 and occurs typically in young adolescents[5,12]. Our finding of male preponderance in orbito-cranial complications of sinusitis is in keeping with literature[1,14,15]. The clinical presentation can be fever, headache, vomiting, chemosis, eye pain, proptosis, cranial nerve palsy, seizures and focal neurological deficit[4]. The symptoms are non-specific initially and the diagnosis may be overlooked for several reasons[1,5]. In most cases of complicated rhinosinusitis in children, previous sinus disease or history of allergic rhinitis is often not found. For Jones[11] this kind of medical history was present in only 10% of his patients and Yew Kwang Ong noted this in 28% of cases[5]. Many patients consult a family physician and take prior antibiotic treatment. This prescription modifies the disease presentation and masks the diagnosis. However behind a swollen eye, a proptosis, or an impaired function of the extraocular muscles, an orbital extension must be suspected[4]. A persistent headache, especially beyond one week, is the most consistent symptom of intracranial involvement[16,17].

The average duration of illness from presentation is 3-5 d[14]. In our series it was inferior to 7 d in 71.4% of cases.

Orbital complications are most commonly secondary to ethmoïd sinus involvement and intracranial injury associated with frontal sinusitis[1].

The diagnosis of rhinosinusitis is clinical[18]. However, when orbital or intracranial complications are suspected, urgent radiological examination is recommended. Contrast-enhanced CT with coronal and axial slices is the initial imaging modality of choice[5,19]. It should be performed, in pediatric patients, with the lowest radiation dose possible allowing a good diagnostic study[19]. Coronal cuts are useful for studying the ostiomeatal unit and the relations between orbit and brain[20]. The contribution of CT is also considerable in delineating bony anatomy for a potential endoscopic sinus surgery[4,20]. MRI is more efficient in soft tissue analysis but its high cost and limited accessibility hinder its routine use[5,20]. In our series it was practiced in only 2 cases. Yew Kwang Ong recommends to practice simultaneously sinus and brain CT when intracranial complications are suspected, and to repeat it if a complication is strongly suspected[5]. In Skelton’s series 50% of children with subdural empyemas had normal scans initially[10].

Bacteriological analysis is required to adjust antibiotic treatment. Polymicrobial or culture negative specimens are not so rare, sterile samples are obtained in 25%-30% of cases[1,4]. In recent years, there is an increase in reports of fungal invasion accompanying rhinosinusitis. These forms were connected with several promoting factors as diabetes, steroidotherapy and immunosuppression[21,22].

A complicated rhinosinusitis is a therapeutic emergency. Once the diagnosis evoked, an adequate treatment should be started. The therapeutic management is divided into medical and surgical treatment. Intravenous broad-spectrum antibiotics are recommended until definitive culture and sensitivity results are obtained[4,5,20]. The most common germs are Streptococcus species, Anaerobes and Staphylococcus Aureus[4,5,20]. When intracranial complication is associated, used antibiotics must have a good blood brain barrier penetration and should be continued for 4 to 8 wk[5]. The surgical treatment comprises endoscopic sinus surgery, orbital decompression and neurosurgical intervention[4]. It is most commonly indicated when medical therapeutic fails to control the infection[20]. However in cases with intracranial complications, it is recommended to initially operate[1,4,5]. In Yew Kwang Ong’s series[5], repeated drainage was necessary to eradicate the intracranial infection. Kurt Denton Schlemmer[1] prefers external approach to the endoscopic one and indicates surgery in the following cases: proptosis with orbital complications, intracranial complications, sub-periosteal and pre-septal collections, and cellulitis that does not respond to medical management within 24-48 h. In our series, surgery was indicated in 8 cases: external medial orbitotomy (4 cases), endonasal orbitotomy (2 cases) and sphenoidotomy (2 cases) because of a non response to medical treatment, for orbital collections or for associated meningitis.

In complicated acute rhinosinusitis, a follow-up for up to one year is recommended[7]. Thanks to progress in diagnostic tools and therapeutic management, mortality has decreased significantly in developing countries to about 4%-6%[1,4]. However sequelae such as visual deficits or loss, cranial nerve palsies, epilepsy, hemiparesis, seizure, speech and cognitive impairment can unfortunately persist[4,5].

In conclusion, rhinosinusitis is one of the most common infections in the pediatric population but complicated cases are rare. Orbito-cranial involvement carries high morbidity and changes radically the prognosis. It requires a management by a multi-speciality team including pediatrician, radiologist, otolaryngologist, neurosurgeon and ophthalmologist. Good outcomes can be reached given an early diagnosis, based on complete clinical examination and urgent radiological imaging, and aggressive medical and surgical treatments.

COMMENTS
Background

Contrary to adults, acute rhinosinusitis are more frequent in children, but with a high risk of severe and potentially life threatening complications.

Research frontiers

The study describes the clinical, paraclinical and therapeutic management of rhinosinusitis in pediatric population.

Innovations and breakthroughs

The treatment of rhinosinusitis in children must be very appropriate to the locoregional extension of the disease and guided by endoscopic and radiological findings.

Applications

The authors must retain that pediatric rhinosinusitis is a serious disease requiring a precise evaluation of the locoregional extension through radiological exams, intravenous antibiotherapy and, if necessary, a complementary surgical procedures.

Terminology

SD: Standard deviation; CT: Computed tomography; MRI: Magnetic resonance imaging.

Peer-review

It was a well written study.

Footnotes

P- Reviewer: Arsenijevic VA, Cerase A, Ozcan C S- Editor: Ji FF L- Editor: A E- Editor: Lu YJ

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