期刊
CLINICAL OPHTHALMOLOGY
卷 15, 期 -, 页码 2975-2980出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/OPTH.S316271
关键词
aflibercept; bevacizumab; persistent DME; ranibizumab; VEGF switch; vascular endothelial growth factor
The study compared the efficacy of aflibercept and ranibizumab in treating persistent diabetic macular edema (DME) and found similar anatomical and functional outcomes between the two. Aflibercept achieved a higher rate of dry macula in eyes with refractory DME compared to ranibizumab.
Purpose: To compare the visual and anatomic outcomes of aflibercept versus ranibizumab as a second line treatment for persistent diabetic macular edema (DME) after initial bevacizumab injections. Methods: In this retrospective cohort study, patients with center-involved DME of >= 300 mu m thickness after bevacizumab intravitreal injections in 2015-2019 were included. Those treated with ranibizumab (R) and aflibercept (A) were grouped as group R and group A, respectively. The change in central macular thickness (CMT) measured by optical coherence tomography (OCT) and the best corrected distance visual acuity (BCVA) before and after three-monthly anti-VEGF injections (anti-VEGF) in group R and group A were compared and reviewed. Results: There were 80 eyes of 75 patients in group R and 80 eyes of 72 patients in group A. The initial bevacizumab injections in group R and group A varied significantly (p = 0.01). The median change of the CMT after the three injections was not significantly different in group R (80 mu m) and group A (81.5 mu m) (p = 0.7). The improvement of BCVA in group R and group A was not significant (p = 0.5). Dry macula was noted in 1 vs 14 eyes in group R vs group A. Conclusion: After treating refractory DME with initial bevacizumab injections, 3 injections of either aflibercept or ranibizumab had similar anatomic and functional outcomes. Aflibercept achieved dry macula in more eyes with refractory DME compared to ranibizumab.
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