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C.J. Flaxel, J. Kim, P. Bekendam, P. Row; Silicone Oil Versus Gas Tamponade for Complicated Diabetic Vitrectomy . Invest. Ophthalmol. Vis. Sci. 2003;44(13):3970.
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Purpose: Evaluation of final visual acuity and anatomical outcome in an Hispanic diabetic population undergoing initial vitreoretinal surgery for severe proliferative diabetic retinopathy complicated by traction retinal detachment. Methods: Retrospective review of 57 consecutive diabetic vitrectomy's performed by a single surgeon in a county hospital over a three year period. Results: 91% of eyes had macular involving traction retinal detachment, 21% received silicone oil tamponade and 79% received gas tamponade. 18% of the gas treated eyes developed retinal detachment while detachment occurred in no silicone oil treated eyes, though this difference was not statistically significant.. Follow-up was for a minimum of 1 year (range 1-4 years) in both groups. Pre-surgery initial visual acuity (median: 1/200 for gas eyes versus hand motion for oil eyes) was better in the gas group (P<.03) as was post-surgery final visual acuity (median: hand motion for gas eyes versus light perception/hand motion for oil eyes) (p<.01). Conclusions: There was no statistically significant difference in final anatomical outcome in the silicone oil versus the gas tamponade groups. There was a statistically significant difference however in the final visual acuity between the two groups with the gas group having a better final visual acuity at the end of follow-up, though this visual acuity level was generally poor at hand motion.
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