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Postvoid residual urine in patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia: pooled analysis of eleven controlled studies with alfuzosin.

Abstract：

OBJECTIVES:A pooled analysis was conducted in patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia to examine the relationship between the postvoid residual urine (PVR) volume and various clinical characteristics and to assess the effect of alfuzosin, a clinically uroselective alpha(1)-blocker, on PVR volume and any other associated outcome. METHODS:Nine hundred fifty-three patients, 42 to 89 years old, with a baseline PVR volume between 50 and 350 mL (mean 106 mL) were enrolled in 11 double-blind controlled studies and received either alfuzosin (n = 607) or placebo (n = 346) for 1 to 6 months. The relationships between the baseline PVR volume measured by transabdominal ultrasound and age, symptoms, maximum flow rate (Qmax), estimated bladder capacity, and prostate-specific antigen level were assessed. The changes in the PVR volume with treatment were evaluated in all available patients at three endpoints (1, 3, and 6 months). RESULTS:At baseline, a PVR volume of 100 mL or greater was observed in 60%, 47%, and 39% of patients with a Qmax less than 8, 8 to 11, and greater than 11 mL/s, respectively (P = 0.001). The bladder capacity was also significantly related to the Qmax (P = 0.0001). No relationship was found between PVR volume and age, symptoms, or prostate-specific antigen level. The changes in the PVR volume with treatment were related to the baseline PVR volume. However, at all endpoints and whatever the baseline PVR volume, the decreases in the PVR volume were significantly (P <0.01) greater with alfuzosin than with placebo. Acute urinary retention occurred in 7 patients (2 [0.3%] of 607 patients taking alfuzosin and 5 [1.4%] of 346 patients taking placebo); 6 of these 7 patients had a baseline PVR volume greater than 100 mL. CONCLUSIONS:In this population of men with lower urinary tract symptoms suggestive of benign prostatic hyperplasia, the PVR olume and bladder capacity were related to the baseline Qmax. Alfuzosin significantly reduced the PVR volume compared with placebo, and this effect was more marked in patients with a high PVR volume at baseline. Acute urinary retention occurred mainly in patients with a PVR volume greater than 100 mL and was less frequent in patients taking alfuzosin than in those taking placebo.

journal_name

Urology

journal_title

Urology

authors

McNeill SA,Hargreave TB,Geffriaud-Ricouard C,Santoni J,Roehrborn CG

doi

10.1016/s0090-4295(00)01021-9

subject

Has Abstract

pub_date

2001-03-01 00:00:00

pages

459-65

issue

eissn

0090-4295

issn

1527-9995

pii

S0090429500010219

journal_volume

pub_type

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Postvoid residual urine in patients with lower urinary tract symptoms suggestive of benign prostatic hyperplasia: pooled analysis of eleven controlled studies with alfuzosin.