Anti-VEGF treatment for choroidal neovascularization complicating pattern dystrophy-like deposit associated with pseudoxanthoma elasticum

Maurizio Battaglia Parodi, Francesco Romano, Alessandro Marchese, Alessandro Arrigo, Victor Llorenç, Maria Vittoria Cicinelli, Francesco Bandello, Alfredo Adán

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: To evaluate the efficacy of intravitreal anti-VEGF injections in choroidal neovascularization (CNV) related to pattern dystrophy-like deposit in pseudoxanthoma elasticum (PXE). Methods: One-year prospective, interventional study. Nine eyes were recruited in the ophthalmology departments of San Raffaele University and University of Barcelona. Each patient underwent best corrected visual acuity (BCVA) measurement on ETDRS chart, slit-lamp biomicroscopy, fluorescein angiography (FA), indocyanine green angiography (ICGA), and optical coherence tomography (OCT). The protocol included a first anti-VEGF injection, followed by monthly evaluations with re-treatments based on new funduscopic hemorrhages, fluid on OCT or leakage on FA and/or ICGA. Primary outcome measures were the mean BCVA changes. Secondary outcomes included central macular thickness (CMT) variations and the number of injections needed. Results: At month 12, mean BCVA significantly improved from 20/45 to 20/35 Snellen equivalent, with 3 eyes gaining at least 3 ETDRS lines. Mean CMT decreased from 297 ± 22 to 262 ± 13 μm, after 5.5 ± 4.0 injections. No leakage was observed at the end of follow-up. Conclusions: Intravitreal anti-VEGF injections represent an effective treatment for CNV related to pattern dystrophy-like deposit in PXE, with an improvement of BCVA and CMT. Mean injection number is in line with other studies performed in CNV secondary to angioid streaks.

Original languageEnglish
Pages (from-to)273-278
Number of pages6
JournalGraefe's Archive for Clinical and Experimental Ophthalmology
Volume257
Issue number2
DOIs
Publication statusPublished - Feb 4 2019

Keywords

  • Anti-VEGF
  • Choroidal neovascularization
  • CNV
  • Multimodal imaging
  • Pattern dystrophy
  • Pseudoxanthoma elasticum
  • PXE

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

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