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Reliability of standardized echography before vitreoretinal surgery for proliferative diabetic retinopathy
F Genovesi-Ebert1, S Rizzo, S Chiellini
1Neuroscience Department, Institute of Opthalmology, Pisa University, Pisa, Italy.
Abstract:
Standardized A- and B-scan echography was performed in 45 patients (68 eyes) affected by proliferative diabetic retinopathy, before vitreoretinal surgery, to evaluate the percentage of agreement between the ultrasonographic data and the surgical findings. The agreement was quite good for tractional retinal detachment (93%) and for posterior vitreous detachment (91%). The main cause of failure was the presence of vitreoschisis, while preretinal and vitreal membranes can easily be detected.