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目的 :通过对乳突根治术后仍未获得干耳的原因分析探讨 ,达到增加术后干耳率之目的。方法 :将 4 0 0例(4 14耳 )患者分为两组 ,1990年～ 1996年间抽出回访复查 2 0 0例 (2 0 6耳 ) ,1997年～ 2 0 0 1年间抽出回访复查2 0 0例 (2 0 8耳 ) ,将两组对比分析。结果 :前一组 (2 0 6耳 )术后干耳率达 6 2 % ,明显低於第二组 (2 0 8耳 ) ,术后干耳率达 93%。结果 :乳突根治术后干耳率的高低与病灶的彻底清除与否 ,术者的技术操作、术前检查、手术器械的应用、术后的处理方法以及慢性化脓性中耳炎的类型和程度有着重要关系。
OBJECTIVE: To analyze and analyze the causes of dry ears after radical mastoidectomy, so as to increase the postoperative dry ear rate. Methods: 400 patients (41 ears) were divided into two groups. During the period from 1990 to 1996, 200 cases (206 ears) were withdrawn for follow-up visit and from 1997 to 2001. 0 cases (280 ears), the two groups were analyzed. Results: The dry ear rate of the former group (26 ears) was 62%, which was significantly lower than that of the second group (280 ears), and the postoperative dry ear rate was 93%. Results: The rate of dry ear after radical mastoidectomy and the complete removal of the lesion, the surgeon’s technical operation, preoperative examination, the application of surgical instruments, postoperative management methods and the type and degree of chronic suppurative otitis media Important relationship.