Assessment of Macular Function Following Internal Limiting Membrane Peeling With ILM Blue®

Overview

Journal Cureus

Specialty Biomedical Engineering

Date 2021 Jan 11

PMID 33425497

Authors

Annekatrin Rickmann

Sami Al-Nawaiseh

Maria Della Volpe

Torsten Strasser

Lukas Bisorca-Gassendorf

Peter Szurman

Kai Januschowski

Affiliations

Soon will be listed here.

Abstract

Purpose To evaluate clinical outcome after surgery of idiopathic epiretinal membranes (ERM) with internal limiting membrane (ILM) peeling using a commercial combination of Brilliant blue G (BBG, 0.25 mg/ml) with 4% polyethylene glycol (PEG). Methods It was a prospective, single-center study. Macular surgery was performed due to ERM (n = 18) by two experienced surgeons. Exclusion criteria were secondary ERM, previous retinal surgery and pharmacological treatment. Best-corrected visual acuity (BCVA), optical coherence tomography (OCT), and multifocal ERG (RETIscan) were assessed at baseline and three months after surgery. Results The BCVA improved from baseline 0.4 ± 0.13 logMAR to 0.3 ± 0.2 logMAR after three months (p > 0.05). The mean central foveal thickness was reduced from 407 ± 85 μm to 366 ± 56 μm after three months (p > 0.05). At baseline, the mean P1 amplitude (nV/deg) was 53.5 ± 32.1 in ring 1 and 35.9 ± 20.1 in ring 2. Three months after surgery the mean P1 amplitude was comparable with 57.2 ± 16.3 in ring 1 and 38.0 ± 11.7 in ring 2 compared with the initial situation (p = 0.22 and p = 0.3, respectively). Conclusion BBG with 4% PEG can be used for ILM peeling in patients with idiopathic epiretinal membranes without any sign of short-term toxicity.

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