AIM: To investigate the comparison of different types of catheter treatment of anastomotic ring canalicular effect. METHODS:Retrospective analysis. A total of 114 cases 114 eyes were randomly selected between May 2013 to May 2015 jointly admitted to Huizhou Huizhou City People's Hospital and the Central People's Hospital of canalicular patients in accordance with the agreement of the annular catheterization divided into three groups, group A of annular nasal lacrimal duct catheterization in 36 eyes, group B for the whole nasal lacrimal annular catheterization in 33 eyes, group C between the upper annular tears point catheterization 45 eyes. Through the A, B, C three groups after 1, 3wk, 1, 3mo and 1y follow-up were analyzed to compare. RESULTS:Group A of 31 eyes were cured, improved in 2 eyes, 3 eyes, the effective rate was 91. 7%;group B, 27 cases were cured, improved in 3 eyes, 3 eyes, the effective rate was 90. 9%;group C, 40 cases were cured, improved in 2 eyes, 3 eyes, the effective rate was 93. 3%. A, B, C three groups efficiency pointless difference (P=0. 124). Eye Effect: A, B, C meaningful difference among the three groups(F=36. 578; P=0.002), Group A scored the highest score of a minimum group C, respectively( 3. 5±0. 8 ) and ( 2. 3±0. 7 ); comparison meaningless difference between group a and group B( t=0. 086, P>0. 05 ); Group A and C and comparison of differences between group C and group B have the significance ( t = 15. 241, t = 17. 472; P 0. 05 ); comparing the differences between the Groups A and B and between Group A and C were significance(t=26. 362, t=27. 532; P0.05)；A组和C组及C组和B组的对比差异均有统计学意义( t=15.241、17.472,均P0.05)；A组和C组间及A组和B组间的对比差异均有统计学意义( t=26.362、27.532,均P<0.05)。拔出风险：三组间的比较差异有统计学意义( F=751.121, P=0.003),A组得分最高,C组得分最低,分别为6.5±0.7、1.5±0.7分；三组间两两的对比差异均有意义( t=19.642、20.153、18.345,均P<0.05)。 A组出现下睑外翻8眼,下泪小点扩张5眼,出现打喷嚏、鼻痒、流涕症13眼。 B组出现不同程度的现打喷嚏、鼻痒、流涕症20眼。C组没有出现严重并发症。 结论：三组的治疗方案疗效类似,对患者泪道的功能恢复安全有效,其中上下泪点间环形置管术治疗过程中材料使用少,且术后患者的并发症少。
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