Preoperative evaluation of voiding patterns and detailed urodynamic evaluation before radical retropubic prostatectomy was carried out in an attempt to identify patients at higher risk of developing urinary incontinence postoperatively. Ninety-two men, mean age 64 years (range 54–72), who completed 1 year of follow-up after radical retropubic prostatectomy for clinically localized adenocarcinoma of the prostate were included in the study. According to the preoperative urodynamic findings, patients were divided into two main groups: group 1 (n = 64) patients with normal urodynamic findings, and group 2 (n = 28) patients with abnormal urodynamic findings. The latter group was further subdivided according to the abnormality: detrusor instability (n = 12), weak sphincter mechanism (n = 9), and detrusor and sphincter instability (n = 7). The degree and incidence of urinary incontinence were evaluated in both groups at the 1-year follow-up visit. There was a substantial difference in the incidence of urinary incontinence between the two main groups with only 2 patients with incontinence in group 1 (3%) versus 11 patients in group 2 (39%). In addition, the incidence of incontinence in group 2 differed depending on the type of abnormality: the lower incidence occurred in patients with detrusor instability (17%) and the higher incidence in patients with both detrusor and sphincter instability (71 %). Identification of sphincteric and bladder dysfunction preoperatively may indicate a high risk of urinary incontinence after radical prostatectomy.

Keywords:
Radical prostatectomy, Prostate, Urodynamics, Urinary incontinence, Incontinence pads
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© 1994 S. Karger AG, Basel
1994
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