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Severity categories of the International Prostate Symptom Score before, and urinary morbidity after, permanent prostate brachytherapy.

Abstract：

OBJECTIVE:To determine if the International Prostate Symptom Score (IPSS) before seed implantation, stratified into mild (0-7), moderate (8-19) and severe (>20) categories, predicts brachytherapy-related morbidity in terms of IPSS resolution, catheter dependency and the need for surgical intervention after brachytherapy. PATIENTS AND METHODS:From January 1998 to September 2003, 1034 consecutive patients had permanent interstitial brachytherapy for clinical stage T1b-T3a NXM0 (2002 system) prostate cancer. Of the 1034 patients, 739 (71.5%) presented with an IPSS of 0-7, 287 (27.7%) of 8-19, and eight (0.8%) of > or = 20. The IPSS 8-19 cohort was further stratified into 8-14 (237 men) and 15-19 (50 men) subgroups. The median follow-up was 38.2 months. In all patients, an alpha-blocker was initiated before brachytherapy and continued at least until the IPSS normalized, the latter defined as a return to within 1 point of that before implantation. A median of 21 IPSS questionnaires were obtained per patient. Several clinical, treatment and dosimetric variables were evaluated as predictors of urinary morbidity. RESULTS:For the entire cohort, the IPSS peaked at a mean of 0.5 months after implantation and resolved at a mean of 1.7 months. At 5 years after brachytherapy, 90.1% of patients at risk (88.8%, 95.5%, and four of eight patients with a pre-implant IPSS of 0-7, 8-19 and > or = 20, respectively) were within the IPSS 0-7 category. Compared to the pre-implant IPSS, 13 patients (8%) were assigned to a higher IPSS severity category. Neither prolonged urinary catheter dependency (>5 days; 16 patients, 1.5%) or transurethral resection of the prostate (TURP, 17 patients, 1.6%) depended on the pre-implant IPSS subgroup. In Cox regression analysis, IPSS resolution was best predicted by pre-implant IPSS, prolonged catheter dependency by patient age, and TURP by any catheter dependency, the maximum IPSS increase and the maximum urethral dose. CONCLUSIONS:The IPSS before implantation predicted the resolution of IPSS after brachytherapy, but did not correlate with substantial urinary morbidity, including catheter dependency or the need for TURP. At 5 years after brachytherapy, 90.1% of patients at risk were assigned to the IPSS 0-7 category.

journal_name

BJU Int

journal_title

BJU international

authors

Gutman S,Merrick GS,Butler WM,Wallner KE,Allen Z,Galbreath RW,Adamovich E

doi

10.1111/j.1464-410X.2006.05887.x

keywords:

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

62-8

issue

eissn

1464-4096

issn

1464-410X

pii

BJU5887

journal_volume

pub_type

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Severity categories of the International Prostate Symptom Score before, and urinary morbidity after, permanent prostate brachytherapy.