COMPARISON OF LARGE FENESTRA STAPEDOTOMY VS TINY FENESTRA STAPEDOTOMY FOR IMPROVING HEARING LOSS CAUSED BY OSTEOSCLEROSIS

Abstract

Background: Osteosclerosis is a condition that affects the otic capsule and middle ear ossicles, causing the production of
new thick sclerotic bone and gradual hearing loss. It is treated by stapedotomy and a small/large fenestra. There is a scarcity
of information comparing big and small fenestra stapedotomy.
Aim: The current study compared big fenestra stapedotomy to tiny fenestra stapedotomy for improving osteosclerosis-related
hearing loss.
Methods: The study comprised 108 participants aged 18 to 15 years with conductive hearing loss, an air-bone gap of more
than 30 dB, and an undamaged tympanic membrane. Osteosclerosis was diagnosed based on preoperative and 6-month
audiometric evaluations, as well as a clinical history of progressive hearing loss. Also established the presence of a conductive
hearing loss pattern on the pure tone average.