One‑year outcomes of 27G core‑pars plana vitrectomy of idiopathic epiretinal membrane
- Xin Liao
- Khusbu Keyal
- Hui Li
- Fang Wang
Affiliations: Department of Ophthalmology, Shanghai 10th People's Hospital affiliated to Tongji University, Shanghai 200072, P.R. China
- Published online on: July 13, 2020 https://doi.org/10.3892/etm.2020.8995
Copyright: © Liao
et al. This is an open access article distributed under the
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The present study aimed to assess the feasibility and safety of 27G core‑pars plana vitrectomy (PPV) for idiopathic epiretinal membrane (IERM). A retrospective analysis was performed on 38 eyes from 38 patients with IERM with a mean age of 62.73±5.61 years. 27G core‑PPV was combined with IERM and internal limiting membrane (ILM) peeling. Pre‑operative and post‑operative best‑corrected visual acuity (BCVA) and lens density were measured. Optical coherence tomography (OCT) and OCT angiography were performed to determine the patients' macular area. Ultrasound biomicroscopy and B‑mode ultrasound were subsequently performed to observe any complications and the follow‑up period ranged from 1 week to 12 months post‑operatively. A total of 36 patients achieved visual improvement of ≥2 Snellen lines, of which 33 patients exhibited improvements within 1 week and the lens density remained unchanged. The mean central macular thickness significantly decreased at 12 months post‑operatively (P≤0.05); however, it was not observed to be correlated with BCVA (r=0.41; P>0.05). The foveal avascular zone of the affected eye was significantly smaller than that of the healthy fellow eye (P≤0.05) and negatively correlated with post‑operative BCVA (r=‑0.72; P≤0.05). Superficial retinal capillary density and deep retinal capillary density decreased post‑operatively (both P≤0.05) and no complications were observed. Taken together, the results of the present study indicate that application of 27G core‑PPV with ILM peeling is minimally invasive for IERM and facilitates rapid post‑operative BCVA recovery.