Document Detail


A decline in walking distance predicts long-term outcome in patients with known or suspected peripheral artery disease.
MedLine Citation:
PMID:  19838118     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIM: To assess the predictive value of a decline in total walking distance and ankle brachial index (ABI) on all-cause mortality and cardiac death in patients with known or suspected peripheral artery disease. METHODS: Two hundred and sixty-one patients, who performed single-stage treadmill walking test twice to evaluate their peripheral artery disease, were enrolled in an observational study. Patients who underwent surgery during follow-up were excluded. Delta total walking distance and delta resting and exercise ABI consisted of the difference between the first and the second test. All three variables were categorized into two groups: stable/improvement or a decline. RESULTS: The mean follow-up period was 6 years. At both 5 years and total follow-up, a decline in total walking distance was independent and highly associated with an increased mortality risk and cardiac death [hazard ratio: 2.31 (95% confidence interval 1.35-3.96); hazard ratio: 3.55 (95% confidence interval: 1.53-8.21), respectively]. A decline in resting or exercise ABI after adjustment for delta walking distance was not significantly associated with all-cause mortality or cardiac death. CONCLUSION: A decline in total walking distance in single-stage treadmill exercise tests is a strong prognostic predictor of all-cause mortality and cardiac death in the short term and long term.
Authors:
Inge I de Liefde; Ron T van Domburg; Jeroen J Bax; Jan Klein; Hence J M Verhagen; Don Poldermans
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of cardiovascular prevention and rehabilitation : official journal of the European Society of Cardiology, Working Groups on Epidemiology & Prevention and Cardiac Rehabilitation and Exercise Physiology     Volume:  17     ISSN:  1741-8275     ISO Abbreviation:  Eur J Cardiovasc Prev Rehabil     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-15     Completed Date:  2010-10-04     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101192000     Medline TA:  Eur J Cardiovasc Prev Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  321-8     Citation Subset:  IM    
Affiliation:
Department of Anesthesiology, Erasmus MC, Rotterdam, The Netherlands.
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MeSH Terms
Descriptor/Qualifier:
Aged
Ankle Brachial Index
Chi-Square Distribution
Exercise Test*
Exercise Tolerance*
Female
Heart Diseases / etiology,  mortality
Humans
Kaplan-Meiers Estimate
Linear Models
Male
Middle Aged
Netherlands / epidemiology
Peripheral Vascular Diseases / complications,  diagnosis*,  mortality,  physiopathology
Predictive Value of Tests
Prognosis
Proportional Hazards Models
Risk Assessment
Risk Factors
Time Factors
Walking*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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