Abstract
Purpose
To assess epiretinal membrane (ERM) formation, severity, and the associated risk factors after scleral buckling using en face optical coherence tomography (OCT) images.
Methods
Medical records of 61 consecutive patients (66 eyes) with rhegmatogenous retinal detachment who underwent scleral buckling were retrospectively reviewed. Posterior vitreous detachment (PVD) was determined based on B-scan OCT images. En face OCT images were used to visualize the ERM and retinal folds. ERM formation was identified by comparing en face images pre- and post-surgery. The maximum depth of the retinal folds (MDRF) was measured using en face imaging to objectively assess traction strength.
Results
ERM formation occurred in 15 (22.7%) eyes at the final visit; the foveal pit was preserved in all cases. Parafoveal retinal folds were present in 5 (7.6%) eyes, with a mean MDRF of 21.8 ± 12.6 µm. No significant difference was observed in best-corrected visual acuity (logarithm of the minimal angle of resolution) between the ERM formation (-0.019 ± 0.128) and non-ERM formation (-0.001 ± 0.213) groups at the final visit (P = 0.593; Mann-Whitney U test). Multivariate logistic regression analysis revealed that older age and the presence of PVD were significant risk factors for ERM formation (odds ratio 1.07, 95% confidence interval 1.01–1.14, P = 0.032; odds ratio 5.26, 95% confidence interval 1.06–26.10, P = 0.042; respectively).
Conclusion
ERM occurred in 22.7% of cases but was mild and did not affect visual acuity. Older age and the presence of PVD are risk factors for ERM formation.
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Data availability
Data are available on request.
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R.M. designed the study; R.M., Y.K., and T.M. analyzed and interpreted the data; S.K., M.M.H., and Y.S. collected the data; R.M. wrote the manuscript; and Y.M. supervised the study. All the authors reviewed the manuscript.
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All investigative procedures were conducted in accordance with the tenets of the Declaration of Helsinki, and the study was approved by the Ethics Committee of Okayama University Hospital, Okayama, Japan (K2205-010).
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Matoba, R., Kanzaki, Y., Morita, T. et al. Evaluation of epiretinal membrane formation after scleral buckling for treating rhegmatogenous retinal detachment: En face optical coherence tomography image-based study. Graefes Arch Clin Exp Ophthalmol 262, 469–476 (2024). https://doi.org/10.1007/s00417-023-06285-w
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DOI: https://doi.org/10.1007/s00417-023-06285-w