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Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome

INTRODUCTION: Labyrinthine fistulae (LF) are the common complications of chronic otitis media (COM) of squamosal variety. The final therapeutic outcome of this condition is to preserve the cochlear and vestibular functions. Herein, we present the data of the cases managed at our institute with respe...

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Autores principales: Misale, Priyanka, Lepcha, Anjali, Chandrasekharan, Ramanathan, Manusrut, Manusrut
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Mashhad University of Medical Sciences 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6556750/
https://www.ncbi.nlm.nih.gov/pubmed/31223596
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author Misale, Priyanka
Lepcha, Anjali
Chandrasekharan, Ramanathan
Manusrut, Manusrut
author_facet Misale, Priyanka
Lepcha, Anjali
Chandrasekharan, Ramanathan
Manusrut, Manusrut
author_sort Misale, Priyanka
collection PubMed
description INTRODUCTION: Labyrinthine fistulae (LF) are the common complications of chronic otitis media (COM) of squamosal variety. The final therapeutic outcome of this condition is to preserve the cochlear and vestibular functions. Herein, we present the data of the cases managed at our institute with respect to their presenting complaints, adopted therapeutic approaches and outcomes. MATERIALS AND METHODS: A retrospective chart review was conducted on all cases with COM squamosal type in adult patients. A total of 275 patients were reviewed, out of whom 30 cases had LF. The results were mainly studied with respect to the postoperative improvement of hearing and vertigo. RESULTS: The incidence rate of LF in the present study was obtained at 10.9%. Only 50% of the cases had the symptoms of vertigo. Furthermore, positive fistula test was elicited in 3.3% of the cases. All cases undergoing preoperative imaging were diagnosed successfully. In addition, 42.85% of the cases had profound hearing loss preoperatively, which sustained after the operation. However, 47.61% of the cases showed an improvement of at least ≥ 10 dB in the air-bone gap. Out of the 15 LF cases with vertigo as the main complaint, only 11 cases referred for follow-up. In this regard, 63.63% of the cases had no postoperative vertigo symptoms. CONCLUSION: Patients with LF may not have complaints of vertigo and a positive fistula sign upon admission. Pre-operative imaging facilitates the diagnosis of this condition. The removal of the matrix under constant irrigation, followed by repair with bone wax and/or autologous tissue, is sufficient to preserve the cochlear and vestibular symptoms postoperatively.
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spelling pubmed-65567502019-06-20 Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome Misale, Priyanka Lepcha, Anjali Chandrasekharan, Ramanathan Manusrut, Manusrut Iran J Otorhinolaryngol Original Article INTRODUCTION: Labyrinthine fistulae (LF) are the common complications of chronic otitis media (COM) of squamosal variety. The final therapeutic outcome of this condition is to preserve the cochlear and vestibular functions. Herein, we present the data of the cases managed at our institute with respect to their presenting complaints, adopted therapeutic approaches and outcomes. MATERIALS AND METHODS: A retrospective chart review was conducted on all cases with COM squamosal type in adult patients. A total of 275 patients were reviewed, out of whom 30 cases had LF. The results were mainly studied with respect to the postoperative improvement of hearing and vertigo. RESULTS: The incidence rate of LF in the present study was obtained at 10.9%. Only 50% of the cases had the symptoms of vertigo. Furthermore, positive fistula test was elicited in 3.3% of the cases. All cases undergoing preoperative imaging were diagnosed successfully. In addition, 42.85% of the cases had profound hearing loss preoperatively, which sustained after the operation. However, 47.61% of the cases showed an improvement of at least ≥ 10 dB in the air-bone gap. Out of the 15 LF cases with vertigo as the main complaint, only 11 cases referred for follow-up. In this regard, 63.63% of the cases had no postoperative vertigo symptoms. CONCLUSION: Patients with LF may not have complaints of vertigo and a positive fistula sign upon admission. Pre-operative imaging facilitates the diagnosis of this condition. The removal of the matrix under constant irrigation, followed by repair with bone wax and/or autologous tissue, is sufficient to preserve the cochlear and vestibular symptoms postoperatively. Mashhad University of Medical Sciences 2019-05 /pmc/articles/PMC6556750/ /pubmed/31223596 Text en This is an Open Access article distributed under the terms of the Creative Commons Attribution License, (http://creativecommons.org/licenses/by/3.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Misale, Priyanka
Lepcha, Anjali
Chandrasekharan, Ramanathan
Manusrut, Manusrut
Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome
title Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome
title_full Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome
title_fullStr Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome
title_full_unstemmed Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome
title_short Labyrinthine Fistulae in Squamosal Type of Chronic Otitis Media: Therapeutic Outcome
title_sort labyrinthine fistulae in squamosal type of chronic otitis media: therapeutic outcome
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6556750/
https://www.ncbi.nlm.nih.gov/pubmed/31223596
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