Research of modified skin flap of external canal in auditory canal shaping to enlarge
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摘要: 目的:探索耳内切口乳突根治术时行改良耳道皮瓣法扩大耳道口的新方法。方法:1999-2009年我科选择行开放式乳突根治术或同期行鼓室成形术的病例421例(428耳),随机分为A、B组。A组为对照组,行传统耳道皮瓣法;B组为改良组,行改良的耳道皮瓣法。所有病例观察术后的出血、渗出情况,干耳时间及1年后耳道口的变化情况。结果:统计学分析表明,改良组较对照组在术后出血、渗出、干耳时间及耳道口缩小方面均有显著性差异有统计学意义。结论:改良耳道皮瓣法扩大耳道口成形后,消灭了外耳道的创面,形成了无创面的耳道口,比传统皮瓣法有较多优点。Abstract: Objective: To investigate the new method of modified skin flap of external canal in auditory canal shaping to enlarge at radical mastoidectomy in endaural incision.Method: From 1999 to 2009,412 patients with 428 ears in operation were randomly divided into two groups.Patients underwent open mastoidectomy and some patients were performed concurrent tympanoplasty.A group (control group)were operated in traditional skin flap of external canal,B group is modified group.Bleed and effusion from the wound surface、the time of dry ear and the change of diameter of extermal acoustic meatus after one year were observed after the surgeries and deal the results with SPSS.Result: The difference had statistical significance in bleed and effusion from the wound surface、the time of dry ear and the shrink of external acoustic meatus in 12 months among two groups.Conclusion: Modified skin flap of external canal in auditory canal shaping to enlarge can help to make a no-wound dehiscence by wiping out the raw surface of external acoustic meatus.It is better than traditional skin flap of external canal.
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Key words:
- radical mastoidectomy /
- external acoustic meatus /
- surgery /
- skin flap
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