Effects of hyperbaric oxygen therapy on middle and inner ear functions

Document Type : Original Article

Authors

1 Audio-vestibular unit ENT department, Assiut general hospital, Assiut, Egypt

2 Audio-Vestibular unit, ENT Department, Faculty of Medicine, Assiut University, Assiut, Egypt

3 Neurosurgery department, Faculty of Medicine, Assiut University, Assiut, Egypt

Abstract

Abstract:
Objectives: The present study aimed to detection of the prevalence of middle ear barotrauma (MEB) and eustachian tube dysfunction (ETD) complicating HBOT, identify values of eustachian tube function tests (ETFT) as predictor factor for MEB and estimate the hearing sensitivity of the patients before and after exposure to HBOT.
Methods: A total of 54 patients were recruited from HBOT center regardless their medical condition that required HBOT. ETF tests were performed to all patients before and just after the first session of HBOT and also after the 10th session.
Results: Middle ear barotrauma representing the most common side effects of HBOT by percentage of 38.9% followed by sinus and inner ear barotraumas.
There was decreasing in the category of good ears in contrast to increasing in categories of median and bad ears by the effect of exposure to HBOT
There was statistical significant association between old age and female sex and occurrence of MEB.
Conclusion: In this study MEB constituted the major percentage of E.N.T (Ear, Nose, Throeat) complications after HBOT. There were worsening in the grades of the tympanic membrane (TM) apperance (according to modified Edmond`s criteria) for MEB with successive sessions of HBOT.
Eustachian tube function tests were valuable tool in prediction of MEB

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