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目的 评价Ⅲ型鼓室成形术治疗慢性中耳炎的疗效。方法 136例(144耳)慢性中耳炎患者,分别在局麻或全麻下按照鼓室成形新三型的方法修补鼓膜并重建听骨链。听骨键重建材料为自体或异体听骨。结果 发现新鼓膜形态及功能恢复约3个月,伴乳突手术者术腔上皮化约6个月。术后新鼓膜早期穿孔5耳,晚期穿孔12耳,鼓膜一期愈合127耳。术后听力增进124耳。结论 在完整清除中耳及乳突病变基础上,对传音性聋患者按新三型手术方法重建听力效果显著,同种异体听骨无排异性。
Objective To evaluate the curative effect of type Ⅲ tympanoplasty on chronic otitis media. Methods One hundred and sixty - six patients (144 ears) with chronic otitis media were treated with local anesthesia or general anesthesia respectively to repair the tympanic membrane and reconstruct the ossicular chain according to the tympanoplasty model. Hear bone reconstruction materials for autologous or allogenic bone. The results found that the shape and function of the new tympanic membrane recovery about 3 months, with mastoid surgery in patients with epithelialization about 6 months. Postoperative new tympanic membrane early perforation 5 ears, late perforation 12 ears, tympanic membrane healing of 127 ears. Postoperative hearing enhancement 124 ears. Conclusion On the basis of complete removal of the middle ear and papillary lesions, the hearing effect is obviously rebuilt according to the new three-type operation method for the patients with acoustic deafness, and the allogeneic ossicles have no rejection.