目的:探讨泪囊鼻腔吻合术失败的原因及再次手术治疗的临床效果。方法:对17例17眼泪囊鼻腔吻合术失败者再次手术治疗,分析首次手术失败的原因,探讨再次手术的技巧、疗效。结果:术后随访4～12mo,17例再次手术均取得成功。泪囊鼻腔吻合术失败的主要原因系骨孔过小、位置不当,泪囊壁未完全切开、下端盲袋,前后瓣接触粘连。结论:掌握手术技巧、要点,正确处理首次出现的问题,再次手术能取得成功。

AIM:To explore the causes of dacryocystorhinostomy failure and the clinical therapeutic effects of reoperation.METHODS:Seventeen cases (17 eyes) with failure dacryocystorhinostomy were reoperated. The causes of the first operation failure were analyzed,and the reoperation skills and effects were explored.RESULTS:Patients were followed up from 4 to 12 months. All reoperations were successful. The main reason of failure was small bone hole and improper location,dacryocyst not fully incised, lower end of blind pouch and contact adhesion of anterior flap with posterior flap.CONCLUSION:Mastering the surgical skills and key points, correctly dealing with the problems of the first operation, the reoperation will be successful.