Two-year outcome of half-time photodynamic therapy for chronic central serous chorioretinopathy with and without choroidal neovascularization

Aya Kamimura, Akiko Miki, Maya Kishi, Mina Okuda, Mayuka Hayashida-Hirano, Mari Sakamoto, Wataru Matsumiya, Hisanori Imai, Sentaro Kusuhara and Makoto Nakamura

PLOS ONE, 2023, vol. 18, issue 5, 1-10

Abstract: Purpose: To compare the two-year outcome of half-time photodynamic therapy (htPDT) in chronic central serous chorioretinopathy (cCSC) with and without choroidal neovascularization (CNV). Methods: In this retrospective study, we included 88 eyes of 88 patients with cCSC who underwent htPDT and were followed up for more than 24 months. Patients were divided into two groups with (21 eyes) or without (67 eyes) CNV before htPDT treatment. The best-corrected visual acuity (BCVA), central retinal thickness (CRT), subfoveal choroidal thickness (SCT), and the presence of subretinal fluid (SRF) were evaluated at baseline and at 1, 3, 6, 12, and 24 months after PDT. Results: A significant intergroup difference was noted in terms of age (P = 0.038). Significant improvements in the BCVA and SCT were found at all time points in eyes without CNV but only at 24 months in eyes with CNV. CRT was significantly reduced in both groups at all time points. No significant intergroup differences were noted in terms of BCVA, SCT and CRT at all time points. There were significant differences in the rate of recurrent and persistent SRF between groups (22.4% (without CNV) vs. 52.4% (with CNV), P = 0.013, and 26.9% (without CNV) vs. 57.1% (with CNV), P = 0.017, respectively). The presence of CNV was significantly associated with the recurrence and persistence of SRF after initial PDT (P = 0.007 and 0.028, respectively). Logistic regression analyses showed that the baseline BCVA, and not the presence of CNV, was significantly associated with BCVA at 24 months after initial PDT (P

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0284979

DOI: 10.1371/journal.pone.0284979

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