Prognostic role of prostate-specific antigen and prostate volume for the risk of invasive therapy in patients with benign prostatic hyperplasia initially managed with alpha1-blockers and watchful waiting.

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Publication year
2005Source
Urology, 65, 2, (2005), pp. 300-5ISSN
Publication type
Article / Letter to editor

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Organization
Health Evidence
Urology
Former Organization
Epidemiology, Biostatistics & HTA
Journal title
Urology
Volume
vol. 65
Issue
iss. 2
Page start
p. 300
Page end
p. 5
Subject
EBP 1: Determinants in Health and Disease; NCEBP 1: Molecular epidemiology; ONCOL 1: Hereditary cancer and cancer-related syndromes; ONCOL 3: Translational research; ONCOL 5: Aetiology, screening and detection; UMCN 1.2: Molecular diagnosis, prognosis and monitoringAbstract
OBJECTIVES: To investigate the prognostic role of prostate-specific antigen (PSA) level and prostate volume (PV) for the need for benign prostatic hyperplasia (BPH)-related invasive therapy among patients initially treated with an alpha1-blocker or watchful waiting (WW) in real-life clinical practice. METHODS: Data were collected from 2264 consecutive patients with clinical BPH. Patients initially treated with an alpha1-blocker or WW were included in this study. They were stratified by baseline PSA level (less than 1.5, 1.5 to less than 3.0, 3.0 to 10.0 ng/mL) and PV (less than 30 and 30 to 200 cm3), and analyzed for the time to BPH-related invasive therapy. RESULTS: Of the 2264 patients, 389 treated with alpha1-blockers and 553 who chose WW were included. Across the PSA and PV strata, the alpha1-blocker group had worse symptoms, peak flow, postvoid residual urine volumes, and obstruction than did the WW group. Increasing PSA levels produced an increase in the 5-year cumulative risk of invasive treatment: 20%, 34%, and 44% in the alpha1-blocker and 8%, 9%, and 15% in the WW group for a PSA level of less than 1.5, 1.5 to less than 3.0, and 3.0 to 10.0 ng/mL, respectively. The hazard ratio for the highest compared with the lowest PSA strata was 2.8 for alpha1-blocker and 2.7 for WW patients. An increasing PV increased the 5-year cumulative risk from 21% to 35% in the alpha1-blocker group and 8% to 11% in the WW group. The hazard ratio for the large versus small prostates in the alpha1-blocker group was 1.8 and in the WW group was 1.0. CONCLUSIONS: A higher PSA level and larger PV resulted in a greater risk of BPH-related invasive therapy that was more pronounced in the alpha1-blocker than in the WW patients. However, symptom severity, flow parameters, and obstruction grade may have contributed to the difference in risk between the two treatment groups.
This item appears in the following Collection(s)
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- Faculty of Medical Sciences [86157]
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