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Published in: Graefe's Archive for Clinical and Experimental Ophthalmology 8/2018

Open Access 01-08-2018 | Retinal Disorders

Clinical characteristics of chronic central serous chorioretinopathy patients with insufficient response to reduced-settings photodynamic therapy

Authors: Thomas J. van Rijssen, Elon H. C. van Dijk, Greet Dijkman, Camiel J. F. Boon

Published in: Graefe's Archive for Clinical and Experimental Ophthalmology | Issue 8/2018

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Abstract

Purpose

To identify characteristics of Caucasian chronic central serous chorioretinopathy (cCSC) patients without a complete resolution of subretinal fluid (SRF) after reduced-settings photodynamic therapy (PDT), or with a recurrence of SRF after PDT.

Methods

Chronic CSC patients treated with reduced-settings PDT were divided into a successful PDT group and unsuccessful PDT group. Patients in the successful PDT group did not have any subretinal fluid (SRF) during follow-up after PDT, whereas the unsuccessful PDT group was categorized based on either persistence or recurrence of SRF after PDT treatment. Data on age, sex, best-corrected visual acuity (BCVA), PDT spot size, characteristics on fluorescein angiography (FA), indocyanine green angiography (ICGA), and optical coherence tomography (OCT) were obtained.

Results

Twenty-six patients in the successful PDT group (20 males, 6 females) had a mean age of 51 years (range, 25–78). In the unsuccessful PDT group, 20 males with a mean age of 60 years (range, 34–78) were included. At last visit before PDT, age, percentage of males, and percentage of patients with diffuse leakage > 1 optic disc diameter on FA were higher in the unsuccessful PDT group (p = 0.010, p = 0.029, and p = 0.008, respectively). At last visit before PDT, BCVA and the percentage of patients with intense hyperfluorescence on ICGA were lower in the unsuccessful group (p = 0.017 and p = 0.004, respectively). Patients with intense hyperfluorescence on ICGA were more likely (95% CI 1.3–333 times) to have a successful outcome (p = 0.045). A decrease in SFCT at final visit was observed in both groups (− 111 μm and p = 0.013, and − 141 μm and p = 0.007, respectively). BCVA only improved at final visit in the successful PDT group (5 Early Treatment of Diabetic Retinopathy Study letters, p < 0.001).

Conclusions

Chronic CSC patients with recurrent or persistent SRF after PDT are characterized by a higher percentage of males, more patients with diffuse leakage on FA, more patients without intense hyperfluorescence on ICGA, higher age, and lower pre-PDT and long-term BCVA than in the successful PDT group. A reduction in SFCT after PDT does not necessarily lead to complete resolution of SRF, while a resolution of SRF appears to be required to lead to a significant BCVA improvement in cCSC.
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Metadata
Title
Clinical characteristics of chronic central serous chorioretinopathy patients with insufficient response to reduced-settings photodynamic therapy
Authors
Thomas J. van Rijssen
Elon H. C. van Dijk
Greet Dijkman
Camiel J. F. Boon
Publication date
01-08-2018
Publisher
Springer Berlin Heidelberg
Published in
Graefe's Archive for Clinical and Experimental Ophthalmology / Issue 8/2018
Print ISSN: 0721-832X
Electronic ISSN: 1435-702X
DOI
https://doi.org/10.1007/s00417-018-4003-z

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