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近二十年来发展了闭塞性乳突切除术(保存完整的外耳道)后,其缺点是二期手术,但优点是重建中耳腔至近乎正常和恢复听力。目前多数学者仍采用开放手术。耳部手术后失败分析:在伦敦国立皇家耳鼻咽喉医院1970—1974年141例(34例闭塞手术,107例开放手术)的结果告诉我们,开放乳突切除术失败的总原因是一期手术。第二次手术时找寻失败所在,追究失败原因乃不适当的教学引起。本文针对教学上的缺点讨论如下: 不适当的外耳道软骨
The development of occlusive mastoid resection (preservation of intact external auditory canal) in the last two decades has the disadvantage of secondary surgery, but has the advantage of reconstructing the middle ear cavity to near normal and hearing recovery. At present, most scholars still use open surgery. Ear Failure Analysis after Operation: The results of 141 cases (34 occlusive surgery, 107 open surgery) from 1970 to 1974 at the National Royal Otorhinolaryngology Hospital in London showed that the primary reason for the failure of open mastoidctomy was one-stage surgery. The second surgery to find where the failure, the reasons for the failure is not due to teach the cause. This article discusses the shortcomings of teaching as follows: inappropriate external auditory meatal cartilage