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目的探讨部分慢性中耳炎乳突根治术后鼓室自然成形病例的发生机制和临床应用的可行性。方法回顾性分析笔者1987年5月至2006年4月所做46例乳突根治手术及术后21例发生鼓室自然成形病例的资料,研究其病理特点、手术操作特点及术后换药特点等与术后鼓膜再生愈合现象的关系。结果46例乳突根治术病例中有21例(46%)术后发生鼓膜再生愈合现象。其中听力完全恢复2例,明显改善6例,部分改善11例,无改善2例。结论如严格按手术要求,保护残存鼓膜及中耳传音结构,术后合理用药,胆脂瘤型和混合型部分患者鼓膜常可发生自然再生愈合现象,听力也有明显改善。
Objective To investigate the possible mechanism and clinical application of natural tympanoplasty after partial mastectomy for chronic otitis media. Methods A retrospective analysis of 46 cases of mastoid radical mastectomy and 21 cases of spontaneous tympanoplasty cases made by our author from May 1987 to April 2006 were retrospectively analyzed and their pathological features, operation characteristics and characteristics of postoperative dressing change were studied Relationship with postoperative healing of eardrum regeneration. Results 46 cases of mastoidectomy cases in 21 cases (46%) occurred after the healing of tympanic membrane healing. Among them, 2 cases recovered completely, 6 cases improved obviously, 11 cases partially improved and 2 cases did not improve. Conclusion In strict accordance with the requirements of surgery, to protect the remaining tympanic membrane and middle ear acoustic structure, rational use of drugs after surgery, cholesteatoma and mixed part of the tympanic membrane of patients often can occur spontaneous healing phenomenon, also significantly improved hearing.