Abstract

BackgroundTo evaluate the 3-year outcome in eyes with neovascular age-related macular degeneration (nAMD) treated with intravitreal anti-vascular endothelial growth factor monotherapy or rescue therapy using standard verteporfin photodynamic therapy (PDT), and corroborate efficacy of rescue PDT. MethodsPatients were administered aflibercept injections once a month for 3 months followed by once every 2 months in the first year. After year 1, treatment with aflibercept monotherapy as indicated or in combination with PDT at the retinal specialist's discretion. Only cases completing the three-year follow-up were included. Regression analysis with visual acuity and macular atrophy at year 3 was performed for the dependent variable. ResultsOf the 292 eyes, 15 eyes underwent rescue PDT following year 1. The best-corrected visual acuity (logarithm of minimal angle of resolution, mean/Snellen equivalent ± SD) was 0.35 (20/45) ± 0.38, 0.23 (20/30) ± 0.36, 0.26 (20/35) ± 0.38, and 0.31 (20/40) ± 0.42 at baseline, year 1, year 2, and year 3, respectively. Multiple regression analysis revealed that the rescue PDT was significantly associated with macular atrophy and poor visual outcome at year 3 (odds ratio = 1.2, p < 0.001; β = 0.23, p = 0.0029, respectively). ConclusionsThe visual outcome in eyes with nAMD retained baseline levels at year 3; however, patients treated with rescue PDT developed macular atrophy more frequently and poor visual outcomes.

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