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首页> 外文期刊>The Journal of otolaryngology >Small fenestra stapedotomy for otosclerosis in a Canadian teaching centre.
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Small fenestra stapedotomy for otosclerosis in a Canadian teaching centre.

机译：在加拿大的教学中心进行小窗骨骨切开术治疗耳硬化症。

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OBJECTIVE: This study reports the results of 112 primary stapedotomies and 13 revision stapedotomies performed by the senior author. STUDY DESIGN: Retrospective case review of all primary and revision stapedotomies performed at University Hospital between 1994 and 1999. All patients in this series had otosclerosis and underwent stapedotomy using a 0.6-mm diameter platinum wire/Teflon piston prosthesis. The air-bone gap was calculated as the difference between the preoperative boneconduction and the postoperative air-conduction thresholds. The average follow-up time post-stapedotomy to audiometric testing was approximately 2.5 months. OUTCOME MEASURES: An average air-bone gap closure at 500, 1000, and 2000 Hz to 10 dB or less was used as the criterion for success. The effects of stapedotomy on speech reception thresholds (SRTs), speech discrimination scores (SDSs), and airconduction thresholds are also reported. RESULTS: In primary stapedotomy, an air-bone gap closure of 10 dB or less was achieved in 85.7% of patients. A significant hearing gain was achieved at all frequencies (250-8000 Hz), with the greatest benefit being achieved at the lower frequencies. The SRT was significantly improved post-stapedotomy by an average of 26.7 dB, and no significant change was found in the SDS. In revision stapedotomy, 38.5% of patients had a significant hearing gain at 250 to 4000 Hz. The SRT was significantly improved postoperatively by an average of 12.7 dB, and no significant change was found in SDS. Overall complication rates were similar to other series with two cases of partial hearing loss (1.6%), one incus fracture (0.8%), one large tympanic membrane perforation (0.8%), and one perilymphatic fistula (0.8%), which was successfully repaired. No patients in this series experienced complete sensorineural hearing loss, facial nerve injury, worsened tinnitus, or reparative granuloma. CONCLUSIONS: The results of this study are comparable to other similar studies examining the use of stapedotomy in patients with otosclerosis. The high success rate and low incidence of serious complications support stapedotomy, without a laser but with resident involvement, as a highly effective treatment for otosclerosis.
机译：目的：本研究报告了高级作者进行的112例原发性截骨术和13例修订性截骨术的结果。研究设计：对1994年至1999年间在大学医院进行的所有原发性和翻修性截骨术进行的回顾性病例回顾。该系列的所有患者均患有耳硬化症，并使用直径为0.6 mm的铂金丝/铁氟龙活塞假体进行了截骨术。气隙被计算为术前骨导和术后气导阈之间的差。足总管切开术后到听力测试的平均随访时间约为2.5个月。观察指标：以500、1000和2000 Hz到10 dB或更小的平均气隙闭合作为成功的标准。还报道了骨切开术对语音接收阈值（SRT），语音辨别力分数（SDSs）和导气阈值的影响。结果：在原发性足ped骨切开术中，85.7％的患者实现了10 dB或更小的气隙闭合。在所有频率（250-8000 Hz）上均可获得明显的听力增益，在较低频率下可获得最大的收益。造模术后，SRT显着改善，平均提高了26.7 dB，SDS没有发现明显变化。在修订骨切开术中，38.5％的患者在250至4000 Hz时有明显的听力增强。术后SRT平均改善了12.7 dB，SDS没有明显变化。总体并发症发生率与其他系列相似，其中两例部分听力损失（1.6％），1例骨fracture骨折（0.8％），1例大鼓膜穿孔（0.8％）和1例淋巴瘘管（0.8％）成功。修复。该系列患者均未出现完全的感音神经性听力丧失，面神经损伤，耳鸣恶化或修复性肉芽肿。结论：这项研究的结果与其他类似的研究比较，研究了在耳硬化症患者中使用stapedotomy的情况。高成功率和严重并发症的低发生率支持骨切开术，无需激光，但常有居民参与，是耳硬化症的高效治疗方法。

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