Abstract
To compare surgical outcomes of filtered air and sulfur hexafluoride (SF6) as an internal tamponade in patients undergoing primary 25-gauge pars plana vitrectomy for uncomplicated rhegmatogenous retinal detachment with inferior breaks. Patients with uncomplicated rhegmatogenous retinal detachment associated with inferior breaks (between 4 and 8 o'clock positions) who were undergoing primary pars plana vitrectomy were enrolled. All eyes underwent pars plana vitrectomy and complete drainage of subretinal fluid, followed by filtered air or 20% SF6 tamponade. The main outcome measures included single-surgery anatomical success rates and final visual recovery. Overall, 116 eyes of 116 patients (81 men and 35 women with a mean age of 55.2 years) were assessed. Air was used in 52 eyes (air group) and gas in 64 eyes (gas group). Single-surgery anatomical success was achieved in 50 (96.2%) and 60 (93.8%) eyes in the air and gas groups, respectively (P = 0.69), and final anatomical success was achieved in all eyes. The mean final Snellen visual acuity was similar in the air (20/23) and gas groups (20/21; P = 0.13). No significant differences were observed in single-surgery anatomical success rates and final visual recovery when comparing air with SF6 gas tamponade in pars plana vitrectomy for primary uncomplicated rhegmatogenous retinal detachment with inferior breaks.
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