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Retinal detachment after silicone oil removal is prevented by 360° laser treatment
  1. Teresio Avitabile (clinica.oculistica{at}mbox.unict.it),
  2. Antonio Longo,
  3. Gabriella Lentini,
  4. Alfredo Reibaldi
  1. Eye Clinic, University of Catania, Italy
  2. Eye Clinic, University of Catania, Italy
  3. Eye Clinic, University of Catania, Italy
  4. Eye Clinic, University of Catania, Italy

    Abstract

    Purpose: To investigate the effect of 360° laser retinopexy on the incidence of retinal detachment (RD) after silicone oil removal.

    Methods: In a prospective, randomized clinical trial, 303 patients (303 eyes) affected with primary (n=211) or recurring (n=92) rhegmatogenous RD treated by vitrectomy with silicone oil (1000 cSt) and endolaser photocoagulation of retinal breaks, were randomized to receive 360° laser retinopexy or not. After at least 4 months, in eyes with a fully attached retina, the silicone oil was removed. The incidence of RD after silicone oil removal was evaluated.

    Results: 151 eyes received 360° laser retinopexy (completed intraoperatively in 93 eyes and postoperatively in 58 eyes, in 9 of them after cataract extraction); 152 eyes served as controls. Silicone oil was removed from 139 laser-treated eyes (92.05%) and 129 controls (84.87%) (ns). In the first group, 12 eyes (8.63%) developed an RD posterior to laser treatment (including the macula), 3 eyes (2.16%) had a localized posterior RD (treated by laser), and 14 (10.07%) had an RD anterior to the laser treatment. In the control group, RD occurred in 27 eyes (20.93%)(P=0.007).

    Conclusions: 360° laser retinopexy reduces the incidence of RD after silicone oil removal; it should be completed intraoperatively.

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