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Patient-reported long-term rectal function after permanent interstitial brachytherapy for clinically localized prostate cancer.
MedLine Citation:
PMID:  22561216     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
PURPOSE: To evaluate the effect of permanent interstitial brachytherapy with or without supplemental therapies on long-term rectal function using a patient-administered quality-of-life instrument. METHODS AND MATERIALS: One hundred thirty four of the initial 219 prostate brachytherapy patients who remain alive and have participated in a prospective evaluation of rectal function were mailed the rectal function assessment score (R-FAS). Of the 134 patients, 3 have a colostomy because of colorectal cancer, 2 failed to respond, and 129 (99.2% of eligible patients) returned a completed R-FAS. R-FAS ranges from 0 to 27 with lower scores indicative of better bowel function. Median followup was 14 years. Multiple clinical, treatment, and dosimetric parameters were evaluated for impact on bowel function. RESULTS: For the current cohort, R-FAS was 3.35, which was comparable to the 1999 (4.29), 2002 (3.92), and 2006 (4.00) surveys. In the 2011 survey, 10 (7.8%), 17 (13.1%), and 102 (78.3%) patients reported bowel function to be worse, improved, or unchanged after brachytherapy. No patient has developed a rectal ulcer or fistula. The number of preimplant bowel movements, tobacco, and diabetes mellitus correlated with R-FAS. Consistent with the previous thee surveys, patient's perception of overall rectal quality of life was inversely related to the use of supplemental external beam radiation. CONCLUSIONS: Long-term rectal function after prostate brachytherapy is favorable with a small number of patients reporting deterioration in bowel function. The judicious use of supplemental external beam radiation with particular attention to rectal doses may further improve long-term function.
Authors:
Peter F Orio; Gregory S Merrick; Robert W Galbreath; Wayne M Butler; Jonathan Lief; Kent E Wallner
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-5-4
Journal Detail:
Title:  Brachytherapy     Volume:  -     ISSN:  1873-1449     ISO Abbreviation:  -     Publication Date:  2012 May 
Date Detail:
Created Date:  2012-5-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137600     Medline TA:  Brachytherapy     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 American Brachytherapy Society. Published by Elsevier Inc. All rights reserved.
Affiliation:
Brigham and Women's Hospital, Dana Farber Cancer Institute, Harvard University, Boston, MA.
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