骨锚式助听器使用者的植入体存活率：长期结果
Implant survival rate in bone-anchored hearing aid users: long-term results.
作者信息
Wallberg E, Granström G, Tjellström A, Stalfors J
机构信息
Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Sweden.
出版信息
J Laryngol Otol. 2011 Nov;125(11):1131-5. doi: 10.1017/S0022215111001447. Epub 2011 Jul 21.
OBJECTIVE
To investigate the long-term survival rate of bone-anchored hearing aid implants, and to assess the number of patients who stop using their bone-anchored hearing aid.
METHOD
Patients who underwent bone-anchored hearing aid surgery between September 1977 and December 1986 were identified from a prospective database. Data were collected from patient records.
RESULTS
During the study period, 143 patients were fitted with a bone-anchored hearing aid. Records from 132 patients were found, with a mean follow up of nine years. A total of 150 implants were installed in these patients. A total of 41 implants (27 per cent) were lost during follow up: 17 lost osseointegration, 16 were removed and eight were lost due to direct trauma. At the end of follow up, 119/132 (90 per cent) patients were still using their bone-anchored hearing aid.
CONCLUSION
Despite a high incidence of implant loss over time, a large number of patients still continued to use their bone-anchored hearing aid.
目的
研究骨锚式助听器植入物的长期存活率，并评估停止使用骨锚式助听器的患者数量。
方法
从一个前瞻性数据库中识别出1977年9月至1986年12月期间接受骨锚式助听器手术的患者。从患者记录中收集数据。
结果
在研究期间，143例患者佩戴了骨锚式助听器。找到132例患者的记录，平均随访9年。这些患者共植入150个植入物。随访期间共丢失41个植入物（27%）：17个失去骨整合，16个被移除，8个因直接创伤丢失。随访结束时，132例患者中有119例（90%）仍在使用骨锚式助听器。
结论
尽管随着时间推移植入物丢失率较高，但仍有大量患者继续使用骨锚式助听器。
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