目的：研究原发性房角关闭(PAC)患者激光周边虹膜切除术(LPI)后进展成青光眼(PACG)的相关因素。

方法：采用前瞻性研究，收集2017-01/12我院就诊的符合纳入标准PAC患者86例86眼，其中随访2a以上、有5次以上的可靠视野的LPI后PAC患者65例65眼，平均随访时间为2.65±0.27a，根据是否出现视野缺损和相应的青光眼性视神经损害分为进展组与未进展组，记录进展为PACG的情况，并对其相关因素进行分析

结果：LPI后PAC患者65眼中9眼(14%)进展成青光眼。进展组年龄(68.67±7.03岁)、随访眼压波动(10.11±4.17mmHg)与未进展组(61.95±8.03岁，5.54±2.73mmHg)有差异(均P<0.05)，进展组的垂直杯盘比(VCDR)≥0.6、粘连性房角关闭(PAS)≥1个象限、PAS范围合并贴附性房角关闭>2个象限进展率显著高于未进展组(均P<0.05)。PAC患者LPI后进展成PACG与患者的年龄、随访眼压波动、VCDR≥0.6、PAS≥1个象限、PAS范围合并贴附性房角关闭>2个象限呈显著正相关(r_s=0.304、0.396、0.495、0.268、0.309)。

结论：PAS≥1个象限和PAS范围合并贴附性房角关闭>2个象限、VCDR≥0.6、高龄、随访眼压波动大与LPI后PAC患者进展成PACG相关。

METHODS: This was a prospective cohort study. Subjects were consecutively enrolled among the patients with PAC at the ophthalmology clinic of our Hospital between January 2017 and December 2017. Among these 86 eyes of 86 PAC patients who fulfilled the inclusion criteria, 65 eyes of 65 patients who fulfilled the inclusion criteria of 5 or more VFs and 2 years or more of follow-up were selected. The mean follow-up period was 2.65±0.27 years. According to the occurrence of visual field defects and corresponding glaucomatous optic nerve damage, the patients were divided into the progressive group and the non-progressive group, and the correlative factors of PAC progression after LPI were analyzed in PAC patients.

RESULTS: PAC progression after LPI was observed in 9 of 65 eyes(14%). There were significant differences in age and inter-visit IOP fluctuations between the progressive group(68.67±7.03 years, 10.11±4.17mmHg)and the non-progressive group(61.95±8.03 years, 5.54±2.73mmHg)(P<0.05). The frequency of PAC progressing into PACG with VCDR≥0.6, PAS≥1 quadrants, all angle-closure>2 quadrants was significantly higher in the progressing eyes than in the non- progressing eyes(P<0.05). PAC progression was significantly positively correlated with age, inter-visit IOP fluctuations, VCDR≥0.6, PAS≥1 quadrants, and all angle-closure >2 quadrants(r_s=0.304, 0.396, 0.495, 0.268, 0.309).

CONCLUSION:PAC patients after LPI with PAS≥1 quadrants and all angle-closure >2 quadrants, VCDR≥0.6, older age,higher inter-visit IOP fluctuations were more likely to progress to glaucoma.