The application of vibrant sound bridge in microtia whose reconstructive external auditory canal occurred atresia
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摘要: 目的:探讨外耳道再闭锁患者振动声桥植入效果。方法:曾行外耳道成形和鼓室成形术的耳畸形患者3例,其中男2例,女1例;年龄15~18岁,平均17岁。3例患者均为传导性聋,骨气导差51.6~65.0 dB HL,平均为56.3 dB HL。3例均行振动声桥植入,手术方式为:镫骨振动成形术2例,圆窗振动成形术1例。结果:3例患者术后听力改善21.6~52.5 dB HL,平均32.2 dB HL。无眩晕、耳鸣及面瘫等并发症发生。结论:外耳道成形和鼓室成形术后再闭锁的耳畸形患者,振动声桥植入后听力改善效果明显。
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关键词:
- 外耳道闭锁, 先天性 /
- 聋,传导性 /
- 中耳植入
Abstract: Objective: To investigate the effect of vibrant sound bridge implantation in microtia whose reconstructive external auditory canal occurred atresia.Method: Three cases(2 males and 1 female) of microtia had underwent hearing reconstruction operation(Include the external ear canal reconstructive surgery and tympanoplasty).The age ranged from 15 to 18 years and the average age was 17 years. All the 3 cases suffered from conductive hearing loss with the air-bone gap ranging from 51.6 to 65.0 dB HL and the average value being 56.3 dB HL. All the 3 cases underwent vibrant sound bridge implantation, including the floating mass transducer implanted in the head of stapes in 2 cases and in the niche of round window in 1 case.Result: The postoperative hearing level improved from 21.6 to 52.5 dB HL with an average of 32.2 dB HL. There were no complications such as vertigo, tinnitus and facial paralysis.Conclusion: Through vibrant sound bridge implantation, the hearing level of microtia whose reconstructive external auditory canal occurred atresia was improved effectively.-
Key words:
- aural atresia, congenital /
- hearing loss,conductive /
- middle ear implant
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