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Internal limiting membrane peeling versus nonpeeling to prevent epiretinal membrane development in primary rhegmatogenous retinal detachment: A swept-source optical coherence tomography study with a new postoperative classification system

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Purpose: To determine whether internal limiting membrane peeling in primary rhegmatogenous retinal detachment prevents epiretinal membrane (ERM) development. Secondarily, we propose a classification system for postoperative ERMs. Methods: Retrospective, interventional, comparative case series. Consecutive eyes with primary rhegmatogenous retinal detachment (n = 140) treated by a single surgeon. The presence of postoperative ERMs was assessed with swept-source optical coherence tomography. Results: An ERM was detected in 26 eyes (46.4%) in the nonpeeling group and in one eye (1.8%) in the internal limiting membrane peeling group (P <= 0.001). The median visual acuity significantly improved in both groups (P <= 0.001). Inner retinal dimples were observed in 41.1% of eyes in the internal limiting membrane peeling group versus 0% in the nonpeeling group (P <= 0.001), and they were not correlated with visual acuity (r = 0.011;P= 0.941). Based on swept-source optical coherence tomography findings, we identified three different types of ERMs: 7 (26.9%) were classified as Type 1, 12 (46.1%) as Type 2, and 7 (26.9%) as Type 3. Superficial retinal plexus deformations observed on optical coherence tomography angiography and en face images were detected in 100% of Type 3 ERMs, 41.6% of Type 2, and 0% of Type 1 (chi(2)= 14.3;P= 0.001). Interestingly, all of the patients who presented these alterations also had metamorphopsia. Conclusion: Internal limiting membrane peeling in primary rhegmatogenous retinal detachment seems to prevent postoperative ERM development. Swept-source optical coherence tomography analysis is helpful to define and classify different types of ERMs and to establish the surgical indication for their removal.

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Retina The Journal of Retinal and Vitreous Diseases, 2020, vol. 40, num. 7, p. 1286-1298

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cc by-nc-nd (c) Arias Barquet et al., 2020

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Articles publicats en revistes (Ciències Clíniques)

# metadata.dc.title[].value
Internal limiting membrane peeling versus nonpeeling to prevent epiretinal membrane development in primary rhegmatogenous retinal detachment: A swept-source optical coherence tomography study with a new postoperative classification system