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[Multifactorial analysis of therapeutic outcome of pseudophakic retinal detachment surgery]
M Grüterich1, C Clemente, A J Mueller
1Augenklinik der Ludwig-Maximilians-Universität München, Klinikum der LMU Innenstadt. Martin.Grueterich@ak-i.med.uni-muenchen.de
Background:
Pseudophakic retinal detachment is one of the most severe complications after cataract surgery and is a common cause of permanently reduced visual acuity. We evaluated parameters predicting reduced functional outcome by a model of stepwise regression analysis.
Patients And Methods:
A series of 102 consecutive patients with pseudophakic retinal detachment were analyzed for various parameters regarding cataract surgery, retinal surgery, and retinal detachment features. First, univariate analysis determined the correlations with reduced functional outcome. Secondly, a stepwise regression model analyzed statistically significant variables for their predictive value of a reduced visual outcome.
Results:
The overall reattachment rate was 99%. In 69% of the patients there was an improvement of more than two lines at the end of the follow-up period. The most predictive factors for reduced functional outcome were the need for a silicone oil tamponade and the visual acuity prior to retinal detachment surgery. When silicone oil tamponade was not needed, the requirement of more than two retinal surgeries was the most predictive factor for reduced visual outcome.
Conclusion:
In our series the strongest predictive factors for a reduced functional outcome were the necessity of silicone oil, reduced visual acuity at the time of retinal detachment, and the requirement of more than two retinal surgeries. These findings suggest that first-line procedures should not be necessarily minimally invasive measurements but rather procedures that result in a stably attached retina in the first instance without permanent silicone oil tamponade, even if this first operation consists of an extended pars plana vitrectomy.