Abstract：
PURPOSE:To evaluate the efficacy and safety of CO2 Laser-assisted Sclerectomy Surgery (CLASS) in primary and pseudoexfoliative open-angle glaucoma. MATERIALS AND METHODS:Single-arm, open-label study included data from 9 medical centers located in 7 countries. Subjects underwent nonpenetrating CLASS procedure with a CO2 laser system (IOPtiMate). Intraocular pressure (IOP) and number of medications were measured at baseline, 1, 2, 4, and 6 weeks, and 3, 6, 12, 24, and 36 months. Complete success was defined as 5≤IOP≤18 mm Hg and at least 20% IOP reduction with no medications, and qualified success as the same with or without medications at 12, 24, and 36 months. RESULTS:A total of 111 consecutive eyes were enrolled in the study, 14 were excluded from the study due to protocol deviation or operator error. The mean age was 69.3±12.8 and 73.9% were whites. Percent change in IOP from baseline at 1, 2, and 3 years was, respectively, 45.1%, 46.8%, and 42.5% (P<0.001). Complete success rates after 12, 24, and 36 months were 60.2%, 57.9%, and 47.8%, respectively. Qualified success rates after 12, 24, and 36 months were 79.6%, 91.2%, and 84.8%, respectively. Number of medications dropped from 2.39±1.24 to 0.47±0.84, 0.53±0.75, and 0.71±0.89 at 12, 24, and 36 months, respectively (P<0.001). CONCLUSIONS:The CLASS procedure may be a simple and effective treatment for open-angle glaucoma providing extended relief of elevated IOP.
journal_name
J Glaucomajournal_title
Journal of glaucomaauthors
Geffen N,Mimouni M,Sherwood M,Assia EIdoi
10.1097/IJG.0000000000000437subject
Has Abstractpub_date
2016-12-01 00:00:00pages
946-951issue
12eissn
1057-0829issn
1536-481Xjournal_volume
25pub_type
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