PURPOSE: To determine factors associated with anatomical and functional outcomes of macula-off retinal detachment surgery in a modern vitreoretinal unit. METHODS: A retrospective casenote review of 185 patients presenting with macula-off retinal detachment was performed. Demographic and ocular characteristics were determined. Logistic regression analysis was used to determine (1) the effect of these factors on visual outcome and (2) their effect on primary and final anatomical success. RESULTS: Primary and ultimate anatomical success were achieved in 76 and 84% of cases. Patients with oil in at final follow-up were considered to be anatomical failures. Statistically significant factors predicting primary anatomical success using a multiple variable model were preoperative logMAR visual acuity, preoperative PVR and number of breaks. Preop logMAR visual acuity and duration of macular detachment were the statistically significant factors predicting ultimate success. In all, 44% of patients regained 6/12 Snellen or better with a median improvement of 0.78 logMAR. For prediction of visual outcome (in patients with no ocular comorbidity) only preoperative logMAR visual acuity achieved statistical significance (P=0.001) at the P=0.05 level. CONCLUSION: In all, 76% of macula-off detachments may be repaired with one operation and 44% of patients regain at least 6/12 Snellen. The median logMAR acuity increment of 0.78 far exceeds that seen in cataract surgery. Preoperative visual acuity is the most important factor predicting primary and final anatomical success as well as visual outcome. Preoperative PVR, number of breaks and duration of detachment also affect outcomes.
PURPOSE: To determine factors associated with anatomical and functional outcomes of macula-off retinal detachment surgery in a modern vitreoretinal unit. METHODS: A retrospective casenote review of 185 patients presenting with macula-off retinal detachment was performed. Demographic and ocular characteristics were determined. Logistic regression analysis was used to determine (1) the effect of these factors on visual outcome and (2) their effect on primary and final anatomical success. RESULTS: Primary and ultimate anatomical success were achieved in 76 and 84% of cases. Patients with oil in at final follow-up were considered to be anatomical failures. Statistically significant factors predicting primary anatomical success using a multiple variable model were preoperative logMAR visual acuity, preoperative PVR and number of breaks. Preop logMAR visual acuity and duration of macular detachment were the statistically significant factors predicting ultimate success. In all, 44% of patients regained 6/12 Snellen or better with a median improvement of 0.78 logMAR. For prediction of visual outcome (in patients with no ocular comorbidity) only preoperative logMAR visual acuity achieved statistical significance (P=0.001) at the P=0.05 level. CONCLUSION: In all, 76% of macula-off detachments may be repaired with one operation and 44% of patients regain at least 6/12 Snellen. The median logMAR acuity increment of 0.78 far exceeds that seen in cataract surgery. Preoperative visual acuity is the most important factor predicting primary and final anatomical success as well as visual outcome. Preoperative PVR, number of breaks and duration of detachment also affect outcomes.
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