Journal
GRAEFES ARCHIVE FOR CLINICAL AND EXPERIMENTAL OPHTHALMOLOGY
Volume 260, Issue 6, Pages 2029-2036Publisher
SPRINGER
DOI: 10.1007/s00417-022-05553-5
Keywords
Rescue photodynamic therapy; Age-related macular degeneration; Recurrence; Anti-VEGF refractory; One-year result
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This study evaluated the one-year outcomes of photodynamic therapy (PDT) as a rescue treatment for age-related macular degeneration (AMD) refractory to anti-vascular endothelial growth factor (VEGF) therapy. The study found that PDT could effectively maintain visual acuity and control retinal fluid for up to 12 months in these patients.
Purpose This study aimed to evaluate the one-year outcomes of photodynamic therapy (PDT) as a rescue treatment for age-related macular degeneration (AMD) refractory to anti-vascular endothelial growth factor (VEGF) therapy. Methods Patients with AMD refractory to anti-VEGF therapy, treated with rescue-PDT were retrospectively investigated. The time of PDT was defined as the baseline value. Baseline characteristics including sex, age, best-corrected visual acuity (BCVA), central macular thickness (CMT), and foveal choroidal thickness (FCT) were examined. The changes in BCVA, CMT, and recurrence were also assessed at the 1-year follow-up. The logMAR VA change of 0.3 or more was defined as improved or declined. Results Twenty-three consecutive eyes (typical AMD: 10 eyes, polypoidal choroidal vasculopathy: 10 eyes, and pachychoroid neovasculopathy: 3 eyes), which underwent rescue-PDT, were analyzed in this study. The BCVA was improved in three patients and maintained in 20 patients at 12 months after PDT (mean BCVA change: 0.11 +/- 0.19). The CMT improved in 19 patients (82.6%), and the mean CMT changed from 318.5 +/- 93.7 mu m to 225.9 +/- 51.6 mu m (p < 0.01) 12 months after PDT. Retreatment of anti-VEGF drug injections was considered if the retinal fluid or retinal hemorrhage recurred after PDT. The baseline FCT of the retreatment group (15 eyes) was significantly lower than that of the no retreatment group (8 eyes) (206.3 +/- 50.7 mu m vs 293.9 +/- 85.7 mu m: p = 0.033). Conclusions PDT could be an effective treatment option for anti-VEGF refractory AMD to maintain visual acuity and control retinal fluid for up to 12 months.
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