Spooner K, Hong T, Fraser-Bell S, Chang A. Current outcomes of Anti-VEGF therapy in the treatment of macular oedema secondary to branch retinal vein occlusions: A meta-analysis. Ophthalmologica 2019.

Spooner K, Hong T, Fraser-Bell S, Chang A. Current outcomes of Anti-VEGF therapy in the treatment of macular oedema secondary to branch retinal vein occlusions: A meta-analysis. Ophthalmologica 2019

Purpose:
To evaluate the current anti-vascular endothelial growth factor (anti-VEGF) treatments for macular edema due to central retinal vein occlusions.

Methods:
PubMed, EMBASE, the Cochrane Library were systematically searched for studies between January 2013 and July 2018. Reference lists of published articles were searched and if necessary, authors were contacted to provide additional data. Meta-analysis was performed using Comprehensive Meta-analysis software. The best-corrected visual acuity (BCVA), central foveal thickness (CFT), injection frequency, and adverse events were evaluated.

Results:
Seventeen studies involving 1070 eyes were included in the meta-analysis. The mean differences in 12-month changes in BCVA and CFT were 14.4 ETDRS letters (P < 0.001) and -289.2 μm (P < 0.001), respectively. Visual acuity gains were maintained at 24 months (14.2 letters, P < 0.001) and CFT continued to reduce (-327.45 μm, P < 0.001). The incidence of severe adverse events was low and similar across all anti-VEGF therapies. Prospective studies administered a greater number of injections compared with retrospective studies, being 6.6 and 4.4 injections, respectively over 12 months (P < 0.001).

Conclusions:
Intravitreal treatment with anti-VEGF agents demonstrated significant anatomical and functional gains in treating macular edema due to central retinal vein occlusions.

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