自体耳屏软骨在鼓膜严重内陷手术中的应用

目的了解自体耳屏软骨在鼓膜严重内陷回缩、或再生鼓膜严重菲薄内陷患者鼓室成形术中的疗效。方法将自体耳屏软骨用于11例鼓膜严重内陷回缩、或再生鼓膜严重菲薄内陷的患者，修补鼓膜，其中5例单纯行鼓膜修补，6例同期行乳突改良根治，术中完整保留内陷的鼓膜，将耳屏软骨置于其内侧。结果11例移植物均成活，术后语言频率气骨导间距≤10?dB　5例；气骨导间距≤20?dB　6例。语言频率气导平均提高16.5?dB；本组患者均未发现听力回降及鼓膜回缩。结论对鼓膜严重内陷回缩、或再生鼓膜严重菲薄内陷患者利用自体耳屏软骨行鼓室成形术，移植物易成活，因术中完整保留内陷鼓膜，利用耳屏软骨对鼓膜的支撑作用，手术疗效明显提高。

Application of tragal cartilage autografts in the operation of seriously inner-invaginated tympanic membranes

To investigate the therapeutic efficacy of tympanoplasty with tragal cartilage autografts in patients whose tympanic membranes(TM) are seriously inner invaginated and retracted, or regenerated TM are seriously inner invaginated and thinner turned. Methods11 patients received tympanoplasty with tragal cartilage autografts, 5 of them received single reconstruction of TM and 6 of them also received modified radical mastoidectomy. During the operations, inner invaginated TM was completely reserved and tragal cartilages were put in the inner side of TM. ResultsTM inner invaginations were all successfully treated. Audiometric data were presented as a 3 frequency (500,1000, and 2000Hz) purtone average air bone gap. After the operations, an air bone gap of less than or equal to 10 dB was achieved in 5 patients, and less than or equal to 20?dB in 6 patients. Hearing was elevated 16.5?dB on average. ConclusionTympanoplasty with tragal cartilage autografts has a good result in patients whose TM are seriously inner invaginated and retracted, or regenerated TM are seriously inner invaginated and thinner turned. Because the inner invaginated TM are perfectly reserved and propped up by tragal cartilage autografts, the therapeutic efficacy is obviously elevated.