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  • Title: [Photodynamic therapy for chronic central serous chorioretinopathy and diffuse retinal epitheliopathy].
    Author: Cornut PL, Quaranta-El Maftouhi M, Mauget-Faÿsse M.
    Journal: J Fr Ophtalmol; 2012 Feb; 35(2):82-7. PubMed ID: 21889817.
    Abstract:
    PURPOSE: To report outcomes in patients with long-standing (more than 6 months) chronic central serous chorioretinopathy (CSC) treated with low-fluence Visudyne(®) photodynamic therapy (LFV-PDT). PATIENTS AND METHODS: The clinical, angiographic and optical coherence tomography (OCT) results of patients with long-standing chronic central serous chorioretinopathy (CCSC) treated with LFV-PDT in the Lyon Centre Rabelais between 2002 and 2008 were retrospectively analyzed. A comprehensive check-up (macular syndrome signs, ETDRS best-corrected visual acuity [BCVA], biomicroscopy, fluorescein [FA] and indocyanine green [ICGA] angiographies, OCT scans) was performed before LFV-PDT treatment and 3 months later. Patients were then followed regularly and retreated in case of recurrence. The LFV-PDT treatment, with a fluence of 25 J/cm(2) at an irradiance of 300 mW, was guided by ICGA. RESULTS: Forty-one eyes of 34 patients (27 males; mean age: 53 years) were included, of which 18 eyes had already been treated with laser photocoagulation. Several leaking points were visible on FA in most of the cases (n=38), mainly in the macula (35 cases). Before treatment, metamorphopsia was noted in 51% of the cases, intraretinal edema (IRE) was present on OCT scans in 71%, serous retinal detachment (SRD) in 85%, and pigment epithelial detachment (PED) in 10%. Thirty-nine eyes had only one treatment session and one eye was retreated once. At 3 months after LFV-PDT, IRE was present in 15% of the cases, SRD in 12%, and PED in 2%. At the end of the 20-month follow-up, IRE was present in 14% of the cases, SRD in 15%, and PED in 0%. Macular atrophy was observed on OCT in most of the cases at the end of the follow-up (mean central thickness, 144.5 μm). Compared to the initial BCVA, at 3 months after LFV-PDT, BCVA decreased in 22% of the cases, stabilized in 39%, and increased in 39%, while at the end of the follow-up, BCVA decreased in 12% of the cases, stabilized in 17%, and increased in 71%. No complication was observed. DISCUSSION: LFV-PDT treatment for patients with long-standing chronic central serous chorioretinopathy results in anatomical and functional improvement (sustained disappearance of the exudative phenomenon in most cases and increased BCVA in more than two-thirds of the cases). The macular atrophy observed may be due to the treatment or the natural course of the disease.
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