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Assistance Burden Comparison Between Age-Related Macular Degeneration and Retinal Angiomatous Proliferation Over a Three-Year Follow-up.

BACKGROUND AND OBJECTIVE: We compared assistance burden between neovascular age-related macular degeneration (nAMD) and retinal angiomatous proliferation (RAP) under intravitreal anti-vascular endothelial growth factor (anti-VEGF) treatment on a treat-and-extend (T&E) regimen in a third-level hospital in a developed country.

PATIENTS AND METHODS: This retrospective study using data from the Fight Retinal Blindness! Registry included patients treated between January 2016 and December 2020. Final event was established as best corrected visual acuity (BCVA) lower than 20 Early Treatment Diabetic Retinopathy Study letters. According to choroidal neovascularization (CNV), three different study groups were established: type 1, 2, and 3.

RESULTS: A total of 285 eyes of 227 patients were included. Mean age was 80.1 ± 6.5, 79.1 ± 7.9, and 81.2 ± 7.2 years, for the three study groups, respectively. Mean injections were 16.0 ± 4.8, 16.5 ± 4.1, and 14.1 ± 5.7, respectively; and mean number of visits were 17.9 ± 4.3, 18.2 ± 3.1, and 16.8 ± 5.3, respectively. No differences were found ( P > 0.05). Survival curves and log-rank analysis also showed no differences ( P = 0.344). Cox proportional hazard models showed that a lower baseline BCVA, subfoveal geographic atrophy (GA), and subfoveal fibrosis (SF) were associated with a higher risk of reaching ≤ 20 letters.

CONCLUSIONS: nAMD and RAP under a T&E regimen indicate a high assistance burden during the first three years. The presence of subfoveal GA or SF are associated with a BCVA lower than 20 letters. [ Ophthalmic Surg Lasers Imaging Retina 2024;55:XX-XX.] .

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