Scientific correspondence
Outcome after silicone oil removal
Christiane I Falknera, Susanne Binderb, Andreas Krugerc
a The Ludwig
Boltzmann Institute of Retinology and Biomicroscopic Lasersurgery,
Department of Ophthalmology, Rudolf Foundation Clinic, Juchgasse 25, A
1030 Vienna, Austria, b Department of Ophthalmology, Rudolf Foundation
Clinic, Juchgasse 25, A 1030 Vienna, Austria, c Department of Ophthalmology, Vienna General
Hospital, Währingergürtel 18-20, A 1090, Vienna, Austria
Correspondence to: Christiane I Falkner, MD a9101872{at}unet.univie.ac.at
Accepted for publication 16 April 2001
BACKGROUND
Combined
with vitreoretinal surgery, silicone oil injection has become a
standard technique and improves the prognosis of complex retinal
detachment. As silicone oil leads to long term complications, removal
of silicone oil from the eye is recommended. To evaluate the outcome
after silicone oil removal, retinal redetachment, visual acuity, and
complications were analysed.
METHODSThe authors
analysed 115 consecutive cases of silicone oil removal (115 eyes), all
operated by one surgeon. The series consisted of retinal detachments
associated with proliferative vitreoretinopathy (103 eyes),
proliferative diabetic retinopathy (six eyes), or ocular trauma (six
eyes). The mean duration of intraocular silicone oil tamponade was 13.3 months, with a mean postoperative follow up of 1.8 years.
RESULTSAnatomic
success after silicone oil removal, defined as a complete retinal
attachment, was achieved in 95 of 115 eyes (82.6%). Redetachment
occurred in 20 eyes (17.4%), mostly within the first 6 months after
silicone oil removal. Including the successfully reoperated eyes, the
authors present a final anatomic success rate of 108 eyes (93.9%).
Visual acuity improved or remained unchanged in 93 eyes (80.9%).
CONCLUSIONWhile
reattachment and complication rates were quite similar to other
studies, a better visual outcome was achieved in these cases. The
duration of the silicone oil tamponade had no significant effect on the
reattachment rate. The authors recommend not to apply standard criteria
for the timing of silicone oil removal, but to decide individually,
considering the underlying disease, as well as the previous operations.
© 2001 by British Journal of Ophthalmology
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