Xing Fenli, Cao Keli
Department of Otolaryngology, Peking Union Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100730, China.
Lin Chuang Er Bi Yan Hou Ke Za Zhi. 2004 Oct;18(10):586-9.
To search into the diagnosis and treatment of congenital malformation of middle ear.
Nine patients were involved in our study, exploratory tympanotomy was undergone in all patients (eleven ears) and eight ears were reconstructed the ossicular chain.
Exploratory tympanotomy showed a variety of abnomalities of the middle ear which were difficult to identify preoperatively, despite the modern imaging techniques. Stapedectomy using a wire prosthesis with an oval window tissue graft to prevent a perilymphatic leak was carried out in four ears, fenestration of vestibule with stapes prosthesis in two ears, removing the fibrotic strand around the incudostapedial joint in one ear, TORP (Total replacement prosthesis) were used in one ear, gain in hearing thresholds was obtained without severe complications occurrence.
Exploratory tympanotomy is essential to identify congenital conductive hearing loss and wire prosthesis may provide a potential way for reconstruction of ossicular chain.
探讨中耳先天性畸形的诊断与治疗。
本研究纳入9例患者，所有患者（11耳）均接受了鼓室探查术，其中8耳进行了听骨链重建。
鼓室探查术显示中耳存在多种术前难以识别的异常情况，尽管有现代成像技术。4耳采用钢丝假体行镫骨切除术并进行椭圆窗组织移植以防止外淋巴漏，2耳采用镫骨假体行前庭开窗术，1耳切除砧镫关节周围的纤维化条索，1耳使用全听骨赝复物（TORP），术后听力阈值提高，且未发生严重并发症。
鼓室探查术对于诊断先天性传导性听力损失至关重要，钢丝假体可能为听骨链重建提供一种潜在方法。
