Photodynamic therapy as a treatment option for peripapillary pachychoroid syndrome: a pilot study

Claudio Iovino, Enrico Peiretti, Filippo Tatti, Giuseppe Querques, Enrico Borrelli, Riccardo Sacconi, Jay Chhablani, Hitesh Agrawal, Camiel J.F. Boon, Elon H.C. van Dijk, Gilda Cennamo, Marco Lupidi, Alessio Muzi, Valentina Di Iorio, Matias Iglicki, Lital Smadar, Anat Loewenstein, Dinah Zur

Research output: Contribution to journalArticlepeer-review

Abstract

Background: To investigate the anatomical and functional results in eyes with peripapillary pachychoroid syndrome (PPS) undergoing photodynamic therapy (PDT). Methods: A total of 25 eyes from 23 patients with PPS treated with PDT were retrospectively evaluated in this multicentric study. Main outcome measure was the proportion of eyes that achieved treatment success, defined as a decrease in both subretinal fluid (SRF) height and central subfield thickness (CST), at 3 months after PDT compared to baseline. Secondary outcomes were the change in CST, SRF, and best-corrected visual acuity (BCVA) 3 months after treatment and predictive factors for treatment success. When available, data between 3 and 12 months were also reviewed. Results: Treatment success was achieved in 16 eyes (64%). In the total cohort, CST decreased significantly from 356 ± 118 µm at baseline to 282 ± 90 µm and 270 ± 91 µm at 1 and 3 months, respectively (p < 0.001). Maximal SRF height decreased significantly from 102 ± 83 µm at baseline to 38 ± 46 µm and 32 ± 42 µm at 1 and 3 months, respectively (p < 0.001), and remained stable at month 6 (29 ± 44 µm) and month 12 (23 ± 35 µm). BCVA improved significantly from baseline to month 3 (p = 0.021). Conclusions: PDT can be considered an efficacious treatment option in patients with PPS. Prospective data with longer follow-up in a bigger cohort are needed in order to determine the optimal treatment algorithm in this relatively novel disease.

Original languageEnglish
Pages (from-to)716-723
Number of pages8
JournalEye
Volume36
Issue number4
DOIs
StatePublished - Apr 2022

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