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目的:探讨耳道耳甲成形术在开放式乳突手术中的应用价值。方法:在113耳开放式乳突手术中,72耳通过生理盐水注入法测定术腔大小,作相应术式的耳道耳甲成形术,对照组41耳只作经典的开放式乳突手术,未作相应术式的耳道耳甲成形术。结果:术后3个月和6个月,耳道耳甲成形组干耳率分别为95.8%和97.2%,对照组的干耳率为78.0%和82.9%,前者干耳率均高于后者(P<0.01和P<0.05)。术后6个月耳道耳甲成形组术腔上皮化率为93.1%,对照组术腔上皮化率为75.6%,耳道耳甲成形组显著高于对照组(P<0.01)。随访1～5年,耳道耳甲成形组复发率仅为2.8%,而对照组为12.2%。结论:认为开放式乳突手术根据术腔大小作相应术式的耳道耳甲成形是促进术后干耳的关键
Objective: To investigate the value of otorhinolaryngoplasty in open mastoid surgery. Methods: In the open ear mastotomy of 113 ears, the size of the surgical cavity was measured by saline injection in 72 ears, and the corresponding ear otolaryngoplasty was performed. In the control group, 41 ears were used as the classic open mastoid surgery, Not for the corresponding surgical ear canal forming. Results: The rates of dry ear were 95.8% and 97.2% at 3 months and 6 months after operation, respectively. The dry ear rates of the control group were 78.0% and 82.9% (P <0.01 and P <0.05). The rate of peritoneal cavitation was 93.1% at 6 months after operation in the ear canal formation group and 75.6% at the control group. The rate of peritoneal formation in the group receiving ear canal formation was significantly higher than that in the control group (P <0.01). The follow-up of 1 to 5 years, the recurrence rate of the ear canal formation group was only 2.8%, while the control group was 12.2%. Conclusions: It is considered that open mastoid surgery is the key to promote postoperative dry ear canal formation according to the size of the surgical cavity