October 26, 2001
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Study: Retinal reattachment rates not linked to silicone oil tamponade duration

VIENNA — The timing of silicone oil removal should be based on the individual patient and disease, not forced into a standard removal time, according to results of a study carried out here.

Christiane Falkner, MD, and colleagues analyzed 115 consecutive cases of silicone oil removal. The mean duration of intraocular silicone oil tamponade was 13.3 months, with a mean postop follow-up of 1.8 years. One surgeon operated on all eyes.

Anatomic success after silicone oil removal, defined as a complete retinal reattachment, was achieved in 82.6% of patients. Final anatomic success, including reoperations, was achieved in 93% of cases. The duration of silicone oil tamponade had no significant effect on the reattachment rate.

Redetachment occurred in 17.4% of the eyes, predominantly within the first 6 months after silicone oil removal. Visual acuity improved or remained unchanged in 93 eyes (80.9%).

The study appears in the November issue of the British Journal of Ophthalmology.