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目的 :探讨耳甲腔成形术对乳突根治术疗效的影响。方法 :对 133耳做耳甲腔成形术 (成形组 )及 187耳未做耳甲腔成形术 (对照组 )的乳突根治术患者 ,进行疗效对比。结果 :成形组术后干耳时间平均为 5 .1周 ,术腔肉芽的发生率为 6 .4% ,仅 1例术后因残余胆脂瘤再次手术 ;对照组平均干耳时间为 7.5周 ,术腔肉芽的发生率为2 3.4% ,有 3例术后胆脂瘤复发。成形组无一例在冷空气环境中出现头晕、耳鸣、耳部不适等症状。结论 :耳甲腔成形术可缩短开放式乳突根治术的干耳时间 ,降低肉芽的发生率 ,促进乳突腔的上皮化 ,对提高乳突根治术疗效有促进作用
Objective: To investigate the effect of cavitoplasty on the curative effect of mastoidectomy. Methods: To compare the curative effect of mastoidectomy in 133 ears (shaping group) and 187 ears without tympanoplasty (control group). Results: The mean duration of postoperative dry ear in the forming group was 5.1 weeks, the incidence of intraoperative granulation was 6.4%, only 1 case was reoperated due to residual cholesteatoma. The average dry ear time in the control group was 7.5 weeks , The incidence of intraoperative granulation of 23.4%, 3 cases of cholesteatoma recurrence. None of the forming groups showed symptoms such as dizziness, tinnitus and ear discomfort in cold air environment. CONCLUSION: Irooplasty can shorten the dry ear time of open radical mastoidectomy, reduce the incidence of granulation and promote the epithelization of mastoid cavity, and promote the curative effect of mastoidectomy