To evaluate the effect of internal limiting membrane (ILM) peeling on anatomical and functional results in pars plana vitrectomy performed eyes with tractional retinal detachment affecting the macula because of diabetes mellitus.Methods: Patients without ILM peeling were considered as Group 1, and patients with ILM peeling were considered as Group 2. The main outcomes were the best-corrected visual acuity at 6 months and the rate of epiretinal membrane formation within 6 months. The rate and the indications for resurgery were determined. Parameters affecting the final best-corrected visual acuity were determined by regression analysis.Results: Final best-corrected visual acuity was significantly better in eyes with ILM peeled off than in eyes with no peel-off (P = 0.012). Less secondary epiretinal membrane was formed in Group 1 (P = 0.009). There was no difference between groups in resurgery rates (P = 0.143). The need for resurgery because of epiretinal membrane was higher in Group 1 rather than Group 2 (P = 0.001). The only factor affecting the final best-corrected visual acuity was ILM peeling.
Conclusion:In patients with tractional retinal detachment affecting the macula because of diabetes, ILM peeling in addition to pars plana vitrectomy and membrane excision does not affect the need for resurgery but contributes positively to anatomical and functional outcomes.
Purpose The aim of this study is to investigate the relationship between retinal vein occlusions (RVO) and blood groups.Methods Detailed ophthalmological examinations, systemic diseases and blood groups of patients who applied to Balıkesir University Faculty of Medicine, Ophthalmology Outpatient Clinic between February 2019 and May 2020 with retinal vein occlusion were retrospectively analyzed. The blood groups of the patients were divided into 2 groups as O and non-O. The results were compared with a normal group matched in terms of age and gender. Regression analysis was performed to determine the relationship between blood group types and vein occlusions.Results A total of 116 people were included in the study. The mean age of 38 patients with vein occlusion was 61.8 ± 11.3, while the mean age of 78 patients without vein occlusion was 62.6 ± 11.1 (p=0.696). In the RVO patients group, 14 (36.8%) were female, 30 (78.9%) had non-O blood group, 20 (52.6%) had hypertension (HT), 19 (50%) had diabetes mellitus (DM). According to the results of simple logistic regression analysis, non-O blood group and HT have statistically significant effects on RVO formation (Simple Regression Analysis results: OR 2.47, 95% CI 1.00-6.09, p=0.049; OR 2.22, 95% CI 1.00-4.90, p=0.048 ; respectively). Non-O blood group and HT significance remained limited as a result of multiple regression analysis (OR 2.47,95% CI 0.97-6.06, p=0.057; OR 2.18, 95% CI 0.97-4.88, p=0.057, respectively).Conclusion Non-0 blood type can be considered as a risk factor for retinal vein occlusion.
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