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Study: Early removal of silicone oil may yield fewer complications

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MAASTRICHT, Netherlands — Early removal of silicone oil after retinal detachment repair may yield a lower rate of anterior segment complications and better visual acuity results, according to researchers here. Temporary silicone oil tamponade may be associated with a lower rate of complications than previously reported, the researchers said.

A retrospective study was conducted on 58 consecutive eyes undergoing silicone oil removal after complicated retinal detachment surgery. Forty-two eyes had proliferative vitreoretinopathy, nine eyes had giant tears and seven eyes were traumatized. In addition, the following complications and their associated preoperative and intraoperative variables were assessed: glaucoma, hypotony and keratopathy.

Anatomic success was achieved in 81% of the eyes. Postop glaucoma was found in 12%, hypotony in 9% and keratopathy in 7% of the eyes. After silicone oil removal, 45% of the eyes had an increase in visual acuity of at least two Snellen lines.

Patients with three or more operations and no encircling band were at a higher risk of retinal redetachment. Patients with a retinectomy of more than 180° had a higher risk of hypotony.

The study is published in the April issue of Retina.