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目的:评价内镜下经鼻泪囊鼻腔吻合术的疗效。方法:对2016年8月至2018年1月北京同仁医院收治的泪道阻塞171例(191只眼)的临床资料进行回顾性分析。患者均接受内镜下经鼻泪囊鼻腔吻合术。观察术后溢泪症状改善、泪河高度、泪道冲洗情况及并发症。结果:术后174只眼(91.1%)溢泪症状消失，17只眼(8.9%)溢泪症状显著减轻；泪河高度为(0.35±0.21)mm，较术前的(0.55±0.33)mm明显下降(n t＝7.891，n P＝0.000)；泪道冲洗结果显著改善(n Z＝－10.736，n P＝0.000)。n 结论:内镜下经鼻泪囊鼻腔吻合术治疗泪道阻塞效果明显。“,”Objective:To evaluate the efficacy of endonasal endoscopic dacryocystorhinostomy (En-DCR).Methods:The clinical data of 191 eyes of 171 cases with lacrimal duct obstruction from Aug. 2016 to Jan. 2018 in Beijing Tongren Hospital were retrospectively analyzed. All cases received En-DCR. Postoperative symptoms of epiphora, the tear meniscus height, the result of lacrimal passage irrigation and complication were observed.Results:After operation, the symptoms of epiphora disappeared in 174 eyes (91.1%), and significantly reduced in 17 eyes (8.9%). The tear meniscus height after operation was (0.35±0.21) mm, which was lower than the (0.55±0.33) mm before operation (n t=7.891, n P=0.000). And the result of lacrimal passage irrigation was significantly improved (n Z=-10.736, n P=0.000).n Conclusion:The En-DCR is effective for the treatment of lacrimal duct obstruction.