方法：回顾分析本院2014-02/2016-01收治的168例168眼慢性泪囊炎患者临床资料，根据患者治疗方式的差异而设立两组对照研究，其中观察组87例87眼，行改良鼻腔泪囊吻合术治疗； 对照组81例81眼，采取传统鼻腔泪囊吻合术进行治疗。术后对比分析两组患者围手术期治疗指标，评估患者泪道通畅改善效果，记录两组患者术后并发症发生率。

结果：观察组患者手术时间、术中出血量与住院时间均明显优于对照组，差异有统计学意义(P<0.05)； 观察组患者治疗总有效率、术后并发症率和复发率均明显优于对照组，差异有统计学意义(P<0.05)。

结论：改良鼻腔泪囊吻合术手术操作简便，手术时程短，并发症少，疗效确切，是治疗慢性泪囊炎有效手术方法。

METHODS: A retrospective analysis was conducted in our hospital from February 2014 to January 2016 including 168 patients(168 eyes)with chronic dacryocystitis.

According to the difference of treatment for patients we established two groups, the observation group of 87 cases underwent modified dacryocystorhinostomy treatment, 81 cases in the control group underwent the conventional dacryocystorhinostomy. Perioperative indexes, lacrimal patency and complication rate of two groups were compared.

RESULTS: The operative time, hospitalization time and bleeding amount of the observation group were significantly less than those of control group(P<0.05). The total efficiency of the observation group was significantly better than that of the control group, while the postoperative complication rate and recurrence rate were significantly less(P<0.05).

CONCLUSION: The modified dacryocystorhinostomy is easy to operate, the operation time is short, the complications are few, the curative effect is accurate, it is the effective surgical method for the treatment of chronic dacryocystitis.