Abstract
BACKGROUND Otologists always yearn to improve the hearing outcome of their patients with chronic suppurative otitis media. There are different options for ossiculoplasty to choose from, depending on the extent of disease, condition of ossicular chain and availability of implant material and there has always been a quest to make appropriate decision with a predictable outcome. In this study, we have tried to analyse various factors which can affect hearing outcome after Ossiculoplasty. METHODS A retrospective study was done to study the effect of implant material, condition of ossicular chain and disease in the mastoid on post-operative hearing improvement on 200 patients, who underwent tympanoplasty or tympanomastoidectomy from January 2018 to January 2020, in Department of Otorhinolaryngology and Head and Neck Surgery, K.D. Medical College, Mathura. Decision of ossiculoplasty was made based on intra-operative findings. Autograft incus, Teflon TORP (total ossicular replacement prosthesis) and cartilage columella were used based on availability and feasibility. RESULTS Mean improvement in average air-bone gap of 200 patients was found to be 18.57 dB, with autograft incus, it was 19.99 dB, with Teflon TORP (total ossicular replacement prosthesis), 19.53 dB and with cartilage columella 16.73 dB (P = 0.023). Mean hearing improvement was 18.98 dB when handle of malleus was present and 15.59 dB when it was absent (P = 0.023). Mean hearing improvement was 19.42 dB when stapes superstructure was present and 16.92 dB when it was absent (P = 0.016). Even though the hearing outcome was better when mastoid was disease free (19.57 dB) compared to when it was diseased (18.30 dB), the difference was not statistically significant. (P = 0.177) CONCLUSIONS In our study, we found autograft incus to be the best material for ossiculoplasty and presence of handle of malleus and stapes superstructure improved postoperative hearing outcome significantly but involvement of mastoid by disease did not significantly affect the hearing outcome post-operatively. KEYWORDS Chronic Suppurative Otitis Media, Ossiculoplasty, Tympanoplasty, Ossicular Prosthesis, Autograft
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