Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ophtha.2007.01.010
Title: Interventions for Branch Retinal Vein Occlusion. An Evidence-Based Systematic Review
Authors: McIntosh, R.L.
Mohamed, Q.
Wong, T.Y. 
Saw, S.M. 
Issue Date: 2007
Source: McIntosh, R.L., Mohamed, Q., Wong, T.Y., Saw, S.M. (2007). Interventions for Branch Retinal Vein Occlusion. An Evidence-Based Systematic Review. Ophthalmology 114 (5). ScholarBank@NUS Repository. https://doi.org/10.1016/j.ophtha.2007.01.010
Abstract: Topic: To assess the evidence on interventions to improve visual acuity (VA) and to treat macular edema and/or neovascularization secondary to branch retinal vein occlusion (BRVO). Clinical Relevance: Branch retinal vein occlusion is the second most common retinal vascular disease. Methods/Literature Reviewed: English and non-English articles were retrieved using a keyword search of Medline (1966 onwards), Embase, the Cochrane Collaboration, the National Institute of Health Clinical Trials Database, and the Association for Research in Vision and Ophthalmology Annual Meeting Abstract Database (2003-2005). This was supplemented by hand searching references of review articles. Two investigators independently identified all randomized clinical trials (RCTs) with more than 3 months' follow-up. Results: From 4332 citations retrieved, 12 RCTs were identified. There were 5 RCTs on laser photocoagulation. Grid macular laser photocoagulation was effective in improving VA in 1 large multicenter RCT, the Branch Vein Occlusion Study (BVOS), but 2 smaller RCTs found no significant difference. The BVOS showed that scatter retinal laser photocoagulation was effective in preventing neovascularization and vitreous hemorrhage in patients with neovascularization, but a subsequent RCT found no significant effect. Randomized clinical trials evaluating intravitreal steroids (n = 2), hemodilution (n = 3), ticlopidine (n = 1), and troxerutin (n = 1) showed limited or no benefit. Conclusions: There is limited level I evidence for any interventions for BRVO. The BVOS showed that macular grid laser photocoagulation is an effective treatment for macular edema and improves vision in eyes with VA of 20/40 to 20/200, and that scatter laser photocoagulation can effectively treat neovascularization. The effectiveness of many new treatments is unsupported by current evidence. © 2007 American Academy of Ophthalmology.
Source Title: Ophthalmology
URI: http://scholarbank.nus.edu.sg/handle/10635/26641
ISSN: 01616420
DOI: 10.1016/j.ophtha.2007.01.010
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