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. 2024 Feb 22;8(3):247-252.
doi: 10.1177/24741264241231091. eCollection 2024 May-Jun.

Long-Term Outcomes of Vitrectomy for Idiopathic Epiretinal Membrane With Internal Limiting Membrane Removal in Patients With Good Preoperative Visual Acuity

Sean C Drummond  1 , Jason N Crosson  2 , John O Mason 3rd  2
Affiliations

Long-Term Outcomes of Vitrectomy for Idiopathic Epiretinal Membrane With Internal Limiting Membrane Removal in Patients With Good Preoperative Visual Acuity

Sean C Drummond et al. J Vitreoretin Dis. .

Abstract

Purpose: To evaluate the long-term visual results of vitrectomy with epiretinal membrane (ERM) and internal limiting membrane (ILM) removal for idiopathic ERM in eyes with a preoperative visual acuity (VA) of 20/50 or better. Methods: This retrospective review of a consecutive case series comprised 337 patients. Of these, 36 eyes of 36 patients had ERM and ILM removal from 2017 to 2018. Inclusion criteria included a subjective decrease in VA, a preoperative VA of 20/50 or better, vitrectomy with ERM and ILM removal for ERM, and a minimum 6-month follow-up. Paired t tests were used to determine the statistical significance (P < .05) of VA changes postoperatively. Results: The mean (±SD) best-corrected logMAR VA improved to a maximum of 0.125 ± 0.09 (Snellen equivalent 20/26.4) at a mean of 11.1 months postoperatively (P < .001). The VA continued to significantly improve over the long term (mean, 41.6 months; range, 6-63; P < .001). Overall long-term data trended heavily toward VA improvement (25/36 patients [69.4%]) and stability (10/36 patients [27.7%)] after ERM and ILM removal, with only 1 patient (2.8%) having worse VA. There were no intraoperative or postoperative complications related to ERM and ILM removal. Conclusions: Surgery to remove idiopathic ERM and ILM for patients with significant symptoms and good preoperative VA may result in excellent long-term visual results.

Keywords: epiretinal membrane; good preoperative visual acuity; internal limiting membrane; long-term; vitrectomy.

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Conflict of interest statement

The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

Figures

Figure 1.
Figure 1.
Visual acuity progression throughout the postoperative period. Improvement in the mean logMAR VA reached statistical significance beginning at 1 month and remained significant throughout the follow-up (mean, 41.6 months). *P < .05. **P < .01. ***P < .001.
Figure 2.
Figure 2.
Percentage of patients with improved, stable, or worse visual acuity at the final follow-up (>6 months).
See this image and copyright information in PMC

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