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本文报道了41耳先天性外耳道闭锁听力重建术的结果。术后有近半数耳获实用听力。能做成鼓室成形术的29耳,术后有18耳获实用听力。本组无持久性面神经麻痹。 分析了外耳、中耳的畸形表现,以及畸形与胚胎发育的关系,讨论了手术适应证、手术时间以及听力重建的方法。最后提出对本病的分类以指导治疗。 考虑到术后令人鼓舞的效果以及现代耳显微外科的成就,对先天性外耳道闭锁的外科治疗应持积极态度。
This paper reports 41 ears congenital external auditory canal ear atresia reconstruction results. Nearly half of the ears after surgery by practical hearing. 29 ears that can be made tympanoplasty, 18 ears have been practical hearing. This group has no persistent facial paralysis. The deformities of the external and middle ear, as well as the relationship between deformity and embryo development were analyzed. The surgical indications, operation time and methods of hearing reconstruction were discussed. Finally proposed the classification of the disease to guide treatment. Given the encouraging postoperative results and the achievements of modern ear microsurgery, surgical treatment of congenital external auditory canal obstruction should be positive.