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ORIGINAL RESEARCH

Evaluation of Mastoid and Tympanic Volumes and Hearing Levels in Male Patients with Tympanic Membrane Perforation
Timpanik Membran Perforasyonu Olan Erkek Hastalarda Mastoid ve Timpanik Hacim ile İşitme Seviyelerinin Değerlendirilmesi
Received Date : 16 Mar 2023
Accepted Date : 04 Oct 2023
Available Online : 06 Oct 2023
Doi: 10.24179/kbbbbc.2023-96790 - Makale Dili: EN
Journal of Ear Nose Throat and Head Neck Surgery. 2023;31(4):189-93.
Copyright © 2020 by Turkey Association of Society of Ear Nose Throat and Head Neck Surgery. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
ABSTRACT
Objective: In tympanic membrane perforations, the location and size of the perforation, and the mastoid and tympanic volume can affect the hearing level. The aim of the study is to reveal the level of hearing loss that develops in male patients with tympanic membrane perforation and evaluate the effect of tympanic and mastoid volume on hearing loss. Material and Methods: In this retrospective study, we included 35 ears of 28 male patients. The tympanic membrane perforation sizes, localizations, hearing levels, and mastoid and tympanic volumes were noted and compared. Results: When the correlation between the 'whole tympanic membrane diameter/perforation diameter' ratio and the air conduction hearing thresholds was analyzed, it was seen that there was a moderate and opposite correlation in all the frequencies and this was statistically significant. When the correlation between the tympanic volume and the air conduction thresholds was analyzed, it was seen that the diference not statistically significant. When the correlation between the mastoid volume and the air conduction thresholds was analyzed, no statistical significance was noted. Conclusion: The degree of conductive hearing loss resulting from a tympanic membrane perforation increases when the size of perforation expands, degree of middle ear pneumatization and mastoid pneumatization ratios have no effect on hearing.
ÖZET
Amaç: Kulak zarı perforasyonlarında perforasyonun yeri ve boyutu ile mastoid ve timpanik hacim, işitme düzeyini etkileyebilir. Çalışmanın amacı, kulak zarı perforasyonu olan erkek hastalarda perforasyon lokalizasyonu ve büyüklüğüne bağlı olarak gelişen işitme kaybının düzeyini ortaya koymak ve timpanik ve mastoid hacimlerinin işitme kaybına etkisini değerlendirmektir. Gereç ve Yöntemler: Bu retrospektif çalışmaya 28 erkek hastanın 35 kulağı dâhil edildi. Kulak zarı perforasyon boyutları, lokalizasyonları, mastoid ve timpanik hacimleri not edildi ve bu değerler hastaların işitme eşikleri ile karşılaştırıldı. Bulgular: “Total kulak zarı çapı/perforasyon çapı” oranı ile havayolu işitme eşikleri arasındaki korelasyon incelendiğinde, tüm frekanslarda orta ve zıt yönde bir korelasyon olduğu ve bunun istatistiksel olarak anlamlı olduğu görüldü. Timpanik hacim ile havayolu eşikleri arasındaki korelasyon incelendiğinde, istatistiksel olarak anlamlı olmadığı görülürken mastoid hacim ile havayolu eşikleri arasındaki korelasyonun da istatistiksel olarak anlamlı olmadığı görüldü. Sonuç: Kulak zarı perforasyonundan kaynaklanan iletim tipi işitme kaybının derecesi, perforasyonun boyutu büyüdükçe artar, orta kulak pnömatizasyon derecesi ve mastoid pnömatizasyon oranlarının işitme üzerine etkisi yoktur.
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