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KMID : 0213520170310030209
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Korean Journal of Ophthalmology
2017 Volume.31 No. 3 p.209 ~ p.216
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Comparison of Ranibizumab and Bevacizumab for Macular Edema Associated with Branch Retinal Vein Occlusion
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Son Bo-Kwon
Kwak Hyung-Woo
Kim Eung-Suk
Yu Seung-Young
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Abstract
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Purpose: To assess the effectiveness and safety of intravitreal ranibizumab compared with bevacizumab for the treatment of macular edema associated with branch retinal vein occlusion (BRVO).
Methods: This was a retrospective study of 80 eyes with macular edema associated with BRVO. Patients received either 0.5 mg of ranibizumab (n = 24) or 1.25 mg of bevacizumab (n = 56) intravitreally. Both groups received three initial monthly injections followed by as-needed injections. The best-corrected visual acuity, central subfield thickness, mean number of injections, and retreatment rate were evaluated monthly for 6 months after the initial injection.
Results: The best-corrected visual acuity significantly improved from logarithm of the minimal angle of resolution (logMAR) 0.55 ± 0.26 at baseline to 0.24 ± 0.26 at 6 months in the ranibizumab group (p < 0.001) and from logMAR 0.58 ± 0.21 at baseline to 0.29 ± 0.25 at 6 months in the bevacizumab group (p < 0.001), which is not a statistically significant difference (p = 0.770). The mean reduction in central subfield thickness at 6 months was 236 ± 164 μm in the ranibizumab group (p < 0.001) and 219 ± 161 μm in the bevacizumab group (p < 0.001), which is not also a statistically significant difference (p = 0.698). The mean numbers of ranibizumab and bevacizumab injections were 3.25 ± 0.53 and 3.30 ± 0.53, respectively (p = 0.602). In addition, after the three initial monthly injections, the retreatment rates for ranibizumab and bevacizumab injections were 20.8% and 26.7%, respectively (p = 0.573).
Conclusions: Both ranibizumab and bevacizumab were effective for the treatment of BRVO and produced similar visual and anatomic outcomes. In addition, the mean number of injections and the retreatment rates were not significantly different between the groups.
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KEYWORD
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Bevacizumab, Branch retinal vein occlusion, Macular edema, Ranibizumab
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