PMID: 7538746Mar 1, 1995Paper

Clinical, urodynamic, and radiologic results in the study of prostatism with the PURR measure (passive urethral resistance ratio)

Archivos españoles de urología
J M Adot ZurbanoL Resel Estévez

Abstract

The present study was conducted to determine the correlation between the urinary symptoms and lower urinary tract dynamics in patients with prostatism. 105 males with prostatism (mean 66.19 years) were evaluated clinically, urodynamically and radiologically by PURR (passive urethral resistance ratio) determination. The intensity of the irritative symptoms was slightly higher (21%) when bladder instability was associated. The obstructive symptoms were associated with diminished urinary flow rate and could be observed in bladder outlet obstruction (81%) or diminished bladder contractility (79%). Both conditions were found in 49% of the cases. The postvoiding urine depended on diminished bladder contractility (37%), but not on bladder outlet obstruction. Bladder instability did not depend on obstruction, although 88% of the patients with unstable bladder were obstructed. Compressive obstruction was associated with a lesser degree of diminished contractility (55%) than the other forms of obstruction. Prostatism was associated with diminished contractility without bladder outlet obstruction in 15% of the cases. The irregular bladder was more frequent in bladder outlet obstruction (92%) and bladder diverticula were more frequent in b...Continue Reading

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