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  • Title: Bone Cement Fixation of Stapedotomy Prostheses: Long-term Outcomes in Primary and Revision Stapes Surgery.
    Author: Sioshansi PC, Schettino A, Babu SC, Bojrab DI, Sargent EW, Michaelides EM, Luryi AL, Schutt CA.
    Journal: Ann Otol Rhinol Laryngol; 2021 Jul; 130(7):769-774. PubMed ID: 33183065.
    Abstract:
    OBJECTIVES: To describe audiologic outcomes following hydroxyapatite bone cement fixation of stapedotomy prostheses. METHODS: A retrospective case review at a tertiary neurotology referral center was performed of patients undergoing primary or revision stapedotomy between 2010 and 2017. Patients with hydroxyapatite bone cement fixation of stapes prostheses were assessed. Pre- and postoperative hearing was compared, consisting of air conduction (AC) and bone conduction (BC) pure-tone averages (PTA), air-bone gap (ABG), and word recognition scores (WRS). Short and long-term outcomes were assessed. RESULTS: Forty-six patients with otosclerosis underwent stapedotomy with bone cement fixation: 21 primary cases and 25 revision cases, with an average follow-up time of 17 months. Mean AC PTA was 56 dB preoperatively, and 34 dB postoperatively (P < .0001), while the ABG improved on average from 27 dB to 9 dB (P < .0001). There was no significant difference in postoperative ABG between primary and revision stapes surgery (6 dB vs 10 dB, P = .07). These results persisted through long-term follow-up in a subgroup of patients with significantly longer follow-up time (mean 44 months). There was no significant change in BC PTA or word recognition scores. Three patients underwent subsequent revisions, one patient developed sensorineural hearing loss. CONCLUSION: Stapedotomy with bone cement fixation of the prosthesis provides excellent hearing outcomes in both primary and revision treatment of otosclerosis. Results are consistent and stable through long-term follow-up. The use of bone cement should be incorporated into the surgical armamentarium of the otologist for the prevention and treatment of loose-wire syndrome and incus necrosis.
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