Long-Term Hearing Outcomes of NiTiBOND versus SMart Nitinol Prostheses in Stapes Surgery-A Retrospective Cohort Study.

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The journal of international advanced otology Pub Date : 2026-08-10 DOI:10.65717/iao.2026.252163

Péter Révész, Kálmán Rígler, Imre Gerlinger, Tamás Tóth, Tímea Dergez, István Szanyi

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Abstract

Background: Perform a statistical analysis of the long-term hearing results for 2 groups after stapedotomy using different heat-memory stapes prostheses.

Methods: A retrospective study of 42 patients who underwent stapedotomy using either NiTiBOND (n=25) or SMart Nitinol (n=17) thermal shape memory prostheses. Statistical differences were assessed with univariate and multivariate analysis. Success was defined as a postoperative air-bone gap (ABG) ≤ 10 dB. A Pvalue < .05 was considered statistically significant.

Results: The audiological outcomes were measured at an average of 7.3 and 13.4 years postoperatively for NiTiBOND and Nitinol, respectively. The postoperative ABG was a mean of 5.18 ± 5.59 dB and 4.71 ± 5.02 dB; no statistically significant difference was observed between the groups. Three patients achieving >10 dB postoperative ABG underwent high-resolution computed tomography, but none showed noticeable pathological changes.

Conclusion: The study demonstrated excellent audiological outcomes with both prostheses and appears to be stable in the long term.

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NiTiBOND与智能镍钛诺假体在镫骨手术中的长期听力结果：一项回顾性队列研究。

背景：对两组镫骨切除术后使用不同热记忆镫骨假体的远期听力结果进行统计分析。方法：回顾性研究42例使用NiTiBOND （n=25）或SMart Nitinol （n=17）热形状记忆假体行镫骨切除术的患者。采用单因素和多因素分析评估统计差异。术后空气-骨间隙(ABG)≤10 dB为成功标准。p值< 0.05认为有统计学意义。结果：NiTiBOND和Nitinol的听力学结果分别在术后平均7.3年和13.4年测量。术后ABG平均值分别为5.18±5.59 dB和4.71±5.02 dB；两组间无统计学差异。3例术后ABG达到bbb10 dB的患者进行了高分辨率计算机断层扫描，但均未出现明显的病理改变。结论：该研究显示两种假体的听力学效果良好，并且长期稳定。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The journal of international advanced otology

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