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  • Title: INTRAVITREAL BEVACIZUMAB FOR CHOROIDAL NEOVASCULARIZATION IN AGE-RELATED MACULAR DEGENERATION: 5-Year Results of The Pan-American Collaborative Retina Study Group.
    Author: Arevalo JF, Lasave AF, Wu L, Acón D, Berrocal MH, Diaz-Llopis M, Gallego-Pinazo R, Serrano MA, Alezzandrini AA, Rojas S, Maia M, Lujan S, Pan-American Collaborative Retina Study Group (PACORES).
    Journal: Retina; 2016 May; 36(5):859-67. PubMed ID: 26529555.
    Abstract:
    PURPOSE: To report the long-term anatomical and functional outcomes of patients with choroidal neovascularization secondary to age-related macular degeneration treated with intravitreal bevacizumab (IVB). METHODS: Retrospective case series. Patients diagnosed with subfoveal choroidal neovascularization secondary to age-related macular degeneration that were treated with at least 1 intravitreal injection of 1.25 mg of IVB and had a minimum follow-up of 60 months. Patients underwent best-corrected Snellen visual acuity testing, optical coherence tomography, and ophthalmoscopic examination at baseline and follow-up visits. RESULTS: Two hundred and forty-seven consecutive patients (292 eyes) were included. The mean number of IVB injections per eye was 10.9 ± 6.4. At 5 years, the BCVA decreased from 20/150 (logMAR 0.9 ± 0.6) at baseline to 20/250 (logMAR 1.1 ± 0.7) (P = <0.0001). The mean CMT decreased from 343.1+ 122.3 μm at baseline to 314.7 ± 128.8 μm at 60 months of follow-up (P = 0.009). Geographic atrophy (GA) was observed at baseline in 47 (16%) of 292 eyes. By 5 years, GA developed or progressed in 124 (42.5%) of 292 eyes (P < 0.0001). CONCLUSION: The early visual gains obtained from IVB were not maintained at 5 years of follow-up. In addition, IVB may play a role in the development or progression of GA.
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