4.4 Article

Choriocapillaris Reperfusion in Resolved Chronic Central Serous Chorioretinopathy Treated with Eplerenone: Long-Term Effects on the Fellow Eye

Journal

OPHTHALMOLOGY AND THERAPY
Volume -, Issue -, Pages -

Publisher

SPRINGER INT PUBL AG
DOI: 10.1007/s40123-023-00816-8

Keywords

Central serous chorioretinopathy; Choriocapillaris layer; Choroidal perfusion; Choroidal vascular changes; Optical coherence tomography angiography

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This study utilized SS-OCTA to evaluate the long-term changes in the choroidal and choriocapillaris layers in the unaffected eyes of patients with unilateral resolved chronic central serous chorioretinopathy. The results demonstrated significant improvements in choriocapillaris flow deficits during continuous oral eplerenone therapy, with no significant changes in best-corrected visual acuity.
Introduction: The aim of this work is to utilize swept-source optical coherence tomography angiography (SS-OCTA) to assess the long-term changes in the choroidal and choriocapillaris (CC) layers of the fellow unaffected eye of patients with unilateral resolved chronic central serous chorioretinopathy (cCSC) following treatment with continuous oral eplerenone (EPL). Methods: The study included 35 patients with cCSC and subretinal fluid (SRF) in one eye. SSOCTA imaging was performed on the fellow cCSC eyes at baseline, 6 months, and 12 months during eplerenone therapy. CC OCT angiography was analyzed to determine the percentage of choriocapillaris flow deficits (FD%), the number of flow deficits (FDn), and the average area of flow deficits (FDa). Results: The results demonstrated significant changes in CC flow deficits from baseline to follow-up visits. Specifically, there was a significant decrease in FD% from 28.9 +/- 2.2% at baseline to 26.4 +/- 1.9% at 6 months (p = 0.023), and further to 24.9 +/- 1.7% at 12 months (p = 0.001). Additionally, the FD area gradually contracted over the follow-up period (p\ 0.05). Conversely, there was a significant increase in the number of flow deficits compared to baseline (p\ 0.05). No statistically significant changes were observed in best-corrected visual acuity (BCVA) at the follow-up visits (p[ 0.05). Conclusions: The findings of this study demonstrated long-term reperfusion of the choriocapillaris in unaffected fellow cCSC eyes during continuous oral eplerenone therapy. The beneficial effects of eplerenone therapy were observed after 6 months and maintained at 1 year. These results suggest that specific mineralocorticoid receptor (MR) antagonists may be effective in promoting choriocapillaris recovery in the unaffected eyes of patients with cCSC.

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