Abstract
Background/aim To emphasize the role of cochlear implantation (CI) in the auditory rehabilitation of patients with otosclerosis (OS) and share our surgical experiences on this rare group of patients. Materials and methodsRetrospective analysis of the patients who have a diagnosis of otosclerosis and implanted between January 1998–May 2019 was performed. Preoperative and postoperative clinical, radiological, audiological and surgical findings are presented. ResultsAmong 2195 patients who have been implanted in our institution, 12 (0.54%) met the diagnostic criteria of OS according to their preoperative (clinical, radiological, audiological) and peroperative (surgical) findings. Electrode insertion was performed via “round window membrane and cochleostomy” in 8 and 4 patients, respectively. No major complications occured. All patients showed satisfactory performances by means of audiometric scores postoperatively. Nonauditory stimulation (NAS) which manifested as “facial twitching” was a challenging problem in one patient during the surgery and subsided after the operation.ConclusionOur experience on CI in patients with OS revealed that the implantation was a relatively safe procedure and had satisfactory impact on audiological performances.
Highlights
Materials and methods: Retrospective analysis of the patients who have a diagnosis of otosclerosis and implanted between January 1998–May 2019 was performed
Our experience on cochlear implantation (CI) in patients with OS revealed that the implantation was a relatively safe procedure and had satisfactory impact on audiological performances
Otosclerosis (OS) is a unique disease of human kind, which primarily results in progressive conductive hearing loss due to ankylosis of stapes footplate to the oval window [1]
Summary
Otosclerosis (OS) is a unique disease of human kind, which primarily results in progressive conductive hearing loss due to ankylosis of stapes footplate to the oval window [1]. Less often the disease may spread to the inner parts of the otic capsule and clinical picture manifest as mixed or sensorineural type profound hearing loss and/or dizziness [2]. Ultrastructural events are mainly centered around the osteoclasts of the otic capsule and their altered cytological activity. Increased bone resorption and formation in the otic capsule end up with mature calcified foci around the footplate, which results in ossicular fixation. Material and methods The study was carried-out in a tertiary referral center, which had CI experience in 2195 patients including children and adults, over 20 years. Retrospective analysis of the patients who have been diagnosed with OS and
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