Original articlePrevalence and risk factors for proliferative vitreoretinopathy in eyes with rhegmatogenous retinal detachment but no previous vitreoretinal surgery☆
Section snippets
Design
Observational case series.
Setting
This study was conducted in one author's (R.T.C.) private vitreoretinal subspecialty clinic at the Centro de Cirugı́a Oftalmológica in Caracas, Venezuela.
Study population
We studied a series of 119 patients (119 eyes) who presented with rhegmatogenous RD between 1995 and 1998.
Observation procedures
The Duke University Institutional Review Board approved this investigation. Each patient underwent a preoperative examination that included a detailed ophthalmologic history. Ocular examination included a measurement of best-corrected
Results
A total of 119 patients were studied. The mean patient age (±SD) was 53.4 ± 14.6 years and ranged from 5 to 83 years. Of the 119 patients, 71 (59.7%) were men. Overall, 63 eyes (52.9%) had PVR; 32 (26.9%) had grade C PVR. The mean RD duration (±SD) was 58.4 ± 129.1 days, and the mean time from initial examination to surgical treatment (±SD) was 24.3 ± 81.2 days.
The results of the univariable analyses of variables associated with prevalence of PVR are shown in TABLE 1, TABLE 2, TABLE 3. The
Discussion
Proliferative vitreoretinopathy was highly prevalent in our study population. From our univariable modeling, we found that long RD duration, poor initial visual acuity, and large RD extent were significantly associated with PVR prevalence and severity. The presence of vitreous hemorrhage was significantly associated with PVR prevalence, and the presence of cataract was significantly associated with PVR severity. Of these factors, long RD duration and large RD extent were simultaneously
Supplementary files
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