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  • Title: Comparative study of conventional internal limiting membrane peeling versus temporal inverted internal limiting membrane flap for large macular hole treatment.
    Author: Koçak N, Yeter V, Birinci H.
    Journal: Indian J Ophthalmol; 2023 Jan; 71(1):188-194. PubMed ID: 36588234.
    Abstract:
    PURPOSE: To compare the anatomical, morphological, and functional outcomes of the conventional internal limiting membrane (ILM) peeling versus temporal inverted ILM flap technique for large full-thickness macular holes (FTMHs). METHODS: Sixty eyes of 60 patients with a minimum base diameter >600 μm were included in this retrospective interventional study. Patients were divided into conventional ILM peeling (Group 1) and temporal inverted ILM flap (Group 2) groups. The hole closure rate, best-corrected visual acuity (BCVA), ellipsoid zone (EZ), and external limiting membrane (ELM) defects were analyzed at baseline and 6 months after surgery. RESULTS: Hole closure was achieved in 24/32 (75.0%) cases of Group 1 and 27/28 (96.4%) cases of Group 2 (P = 0.029). The mean BCVA (logMAR) changed from 1.23 ± 0.47 to 0.70 ± 0.29 logMAR in Group 1 and from 1.03 ± 0.36 to 0.49 ± 0.24 logMAR in Group 2 at 6 months (P < 0.001 in both cases). U-shaped closure was observed in 5 (15.6%) eyes in Group 1 and 19 (67.9%) eyes in Group 2 (P < 0.001). The total restoration rates of ELM and EZ were significantly higher in the temporal inverted ILM flap group (P = 0.002, P = 0.001, respectively). CONCLUSION: The study results suggested that the FTMH closure rate, recovery of the outer retinal layers, and, consequently, the post-operative BCVA were better with the temporal inverted ILM flap technique than with the conventional ILM peeling for larger than 600 μm macular holes.
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