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  • Title: Five-year hearing results with the shape memory nitinol stapes prosthesis.
    Author: Lavy J, Khalil S.
    Journal: Laryngoscope; 2014 Nov; 124(11):2591-3. PubMed ID: 25513682.
    Abstract:
    OBJECTIVES/HYPOTHESIS: To evaluate the long-term (5-year) results of the shape-memory nitinol stapes piston in the surgical treatment of otosclerosis. STUDY DESIGN: Retrospective case review in a tertiary referral center. METHODS: The patients were adults with clinically proven otosclerosis undergoing stapedotomy. Stapedotomy and ossicular chain reconstruction using a shape-memory nitinol stapes piston were performed. The main outcome measure was masked air and bone conduction audiometry. RESULTS: Forty-eight out of a potential 58 ears had complete audiometric data. The mean preoperative air-bone gap was 29.2 dB (standard deviation [SD] 9.4). The postoperative gap at 1 year was 4.6 dB (SD 3.1), and P at 5 years was 7.0 dB (SD 6.2). CONCLUSIONS: These data suggest that the Smart piston provides a stable long-term hearing result in the surgical treatment of otosclerosis.
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