Abstract
Purpose
To compare anatomical and functional results between internal limiting membrane (ILM) peeling and non-ILM peeling in macula-off rhegmatogenous retinal detachment (RRD).
Methods
We completed a retrospective cohort study of patients who underwent pars plana vitrectomy (PPV) due to macula-off RRD. ILM peeling (P) versus non-ILM peeling (NP) groups were compared regarding best-corrected visual acuity (BCVA), anatomical success, endotamponade, concomitant scleral band placement and BCVA gain for epiretinal membranes (ERM) resubjected to PPV. Statistical significance was considered when p < 0.05.
Results
PPV was conducted in 352 patients, among which 43.5% (n = 153) were in the P group and 55.6% (n = 196) were in the NP group. Both groups had significant BCVA improvement during the study period (p < 0.001), but with no significant difference between them. Anatomical success was similar between P (84.2%) and NP (87.2%) groups. No difference was found with regard to endotamponade (p = 0.07) or concomitant scleral band placement (p = 0.43). The NP group developed subsequent ERM more frequently (p = 0.004), but BCVA gains for eyes requiring repeat PPV for ERM were not found (p = 0.14).
Conclusions
Although ERM formation and greater anatomical success are reasons to support the use of ILM peeling in RRD, we did not observe any anatomical or functional difference regarding ILM peeling or functional gain with secondary ERM peeling.
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Acknowledgments
Carla Ferreira, Sandra Guimarães, Petra Gouveia, Joana Pires and José Costa assisted with data collection; Fernando Vaz is Head of the Ophthalmology Department.
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Authors Keissy Sousa, Gil Calvão-Santos, Jorge Costa, Luis Ferreira, Luís Mendonça, Rita Gentil and Nuno Lourenço Gomes declare that they have no conflict of interest. All procedures were in accordance with the ethical standards of the institutional (document no, 132/2017) and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
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This type of study did not require informed consent. All data analyses were performed based on anonymized data, and none of the presented results can identify any patient.
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Sousa, K., Calvão-Santos, G., Costa, J. et al. Anatomical and functional results of ILM peeling vs. non-peeling in macula-off rhegmatogenous retinal detachment. Graefes Arch Clin Exp Ophthalmol 258, 2105–2110 (2020). https://doi.org/10.1007/s00417-020-04775-9
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DOI: https://doi.org/10.1007/s00417-020-04775-9