Study on Eustachian Tube Dysfunction and Effect of Adenoidectomy on Hearing Threshold and Middle-Ear Pressures
Journal Title: Otolaryngology International - Year 2017, Vol 2, Issue 2
Abstract
Adenoiditis and Adenoid Hypertrophy are the most common health conditions afflicting the Paediatric population. Nasopharyngeal obstruction due to Adenoid Hypertrophy leads to Hyponasality, Mouth breathing, Snoring, and Sleep apnea. It also causes Eustachian Tube Dysfunction leading to increased negative middle ear pressure, which is an important etiological factor in the causation of hearing loss in children. This may result in serious consequences in the form of Speech impairment, Inattention, Poor performance in school, Behavioral problems and Impaired intellectual development. Materials and Method: In this study, one hundred children (200 ears) aged between 5 and 14 years who underwent Adenoidectomy were analyzed using Otoscopy, Pure Tone Audiometry and Impedance Audiometry pre-operatively and 6 weeks post-operatively. X-Ray Nasopharynx-Lateral view and Diagnostic Nasal Endoscopy was done to assess the grade of Adenoid Hypertrophy. Results: It was found that post-operative hearing threshold and middle ear pressures showed significant improvement following Adenoidectomy. The total percentage of ears with normal Type A impedance curve increased from a pre-operative 53.5% to a post-operative 91%. Conclusion: Our study concludes that Adenoidectomy has beneficial effects in children with Otitis Media with Effusion and Eustachian Tube Dysfunction.
Authors and Affiliations
V. U. Shanmugam
Keywords
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