Retina (Philadelphia, Pa.) · 2024
ENLARGEMENT OF CHOROIDAL NEOVASCULARIZATION BEFORE RECURRENCE AFTER PHOTODYNAMIC THERAPY FOR PACHYCHOROID NEOVASCULOPATHY.
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Hikichi Taiichi, Kubo Natsuki, Tabata Moe, Kurabe Haruka
Аннотация
PURPOSE: To investigate predictors of recurrent exudation in choroidal neovascularization (CNV) of pachychoroid neovasculopathy after photodynamic therapy (PDT).
METHODS: Consecutive, treatment-naïve, symptomatic patients with pachychoroid neovasculopathy with subfoveal retinal fluid treated with PDT and followed for 18 months were studied retrospectively. Choroidal neovascularization areas were calculated from optical coherence tomography angiography images obtained at various time points after the initial PDT.
RESULTS: In 52 eyes, the subfoveal retinal fluid resolved completely three months after PDT; in 23 (44%) eyes, exudation recurred during the 18-month follow-up period. In 29 eyes with no recurrence, the mean baseline square root of the CNV area of 1.91 mm (95% CI, 0.27) decreased significantly ( P = 0.006) to 1.47 mm (95% CI, 0.16) at three months after PDT and decreased further until 12 months after PDT (mean, 1.26 mm; 95% CI, P < 0.001) and was maintained thereafter. In 23 eyes with a recurrence, the square root of the CNV area enlarged significantly ( P = 0.028) from 1.43 mm (95% CI, 0.21) at examination three months before the recurrence to 1.73 mm (95% CI, 0.18) at recurrence.
CONCLUSION: Choroidal neovascularization enlargement during the follow-up period after PDT for pachychoroid neovasculopathy may predict recurrence.
METHODS: Consecutive, treatment-naïve, symptomatic patients with pachychoroid neovasculopathy with subfoveal retinal fluid treated with PDT and followed for 18 months were studied retrospectively. Choroidal neovascularization areas were calculated from optical coherence tomography angiography images obtained at various time points after the initial PDT.
RESULTS: In 52 eyes, the subfoveal retinal fluid resolved completely three months after PDT; in 23 (44%) eyes, exudation recurred during the 18-month follow-up period. In 29 eyes with no recurrence, the mean baseline square root of the CNV area of 1.91 mm (95% CI, 0.27) decreased significantly ( P = 0.006) to 1.47 mm (95% CI, 0.16) at three months after PDT and decreased further until 12 months after PDT (mean, 1.26 mm; 95% CI, P < 0.001) and was maintained thereafter. In 23 eyes with a recurrence, the square root of the CNV area enlarged significantly ( P = 0.028) from 1.43 mm (95% CI, 0.21) at examination three months before the recurrence to 1.73 mm (95% CI, 0.18) at recurrence.
CONCLUSION: Choroidal neovascularization enlargement during the follow-up period after PDT for pachychoroid neovasculopathy may predict recurrence.