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Article Abstract
Objective: To evaluate visual outcomes after switching from bevacizumab to ranibizumab or aflibercept in patients with macular edema (ME) secondary to branch retinal vein occlusion (BRVO).
Design: A retrospective, multi-center, observational study.
Participants: Patients diagnosed with BRVO and were treated with at least 3 bevacizumab injections, before anti VEGF switch.
Methods: The follow-up period was 36 months, and the primary study outcomes assessed changes in best corrected visual acuity (BCVA) after anti VEGF switch.
Results: A total of 263 eyes of 263 patients with a mean age of 71.5 ± 11.2 years of which 50% were of male gender met the inclusion criteria. Of them, 175 eyes did not undergo switch, whereas 88 eyes underwent anti-VEGF switch. There was not a significant difference in mean age (p = 0.634) and gender (p = 0.269) between the groups. Baseline BCVA of the no-switch group was 0.47 ± 0.43 logMAR (20/59 Snellen) versus 0.6 ± 0.49 logMAR (20/79 Snellen) (p = 0.031) in the switch group, and at 36-months it was 0.41 ± 0.39 (20/51 Snellen) logMAR versus 0.54 ± 0.49 logMAR (20/69 Snellen) (p = 0.035), respectively. The difference between the rate of change in BCVA per year was insignificant between groups (p = 0.414). In multivariate analysis, baseline BCVA was the single significant predictor for switch (beta 0.137, p = 0.035). Patients with more than one anti-VEGF switch suffer from decrease in BCVA.
Conclusions: Worse baseline BCVA is a significant predictor for anti-VEGF switch execution, though the switch has no significant impact on the change in BCVA over time. Multiple anti-VEGF switch is not recommended.
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| http://dx.doi.org/10.1016/j.jcjo.2024.01.016 | DOI Listing |
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