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September 28, 2025Indian Journal of OtologyOpen Access

Effect of Tympanic Membrane Perforation and Middle Ear Space Volume with Sound Transmission in Unilateral Chronic Otitis Media

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Analysis of sound transmission influenced by tympanic membrane perforation and middle ear volume in unilateral chronic otitis media.

Hearing loss increases with the size of tympanic membrane perforation, indicating its significant impact on auditory function.
Research involving 127 patients highlighted that middle ear air space volume inversely affects hearing loss, with low volume leading to a mean air-bone gap of 35.37 dB HL.
Studies found posterior perforation causes greater hearing loss (35.6 dB) compared to anterior perforation (25.4 dB), emphasizing the role of perforation site.
Despite changes in hearing loss, age and gender do not appear to correlate with these outcomes in chronic otitis media patients.

Gupta et al. (2025) studied this question.

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