| Four hundred meters walking test in the evaluation of heart failure patients. | |
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MedLine Citation:
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PMID: 21180238 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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OBJECTIVE: To compare a new fixed walking test-400m walking test with 6MWT and maximal exercise testing. METHODS: There were investigated 20 patients with dilated cardiomyopathy (DCM). The patients were included in the study after the relief of the congestive syndrome. Each patient was submitted in three consecutive days to a maximal symptom-limited exercise stress test on cycloergometer, a six minutes walking test, a 400 meters walking test. The last one consisted of walking on a corridor 40 meters long, at a speed chosen by the patient himself. The results were expressed in seconds representing the necessary time to cover the established 400 meters of distance. RESULTS: During cycloergometer exercise stress test the calculated mean peak VO2 was 15.2 +/- 1.4 mlO2/kg/min (4.32 METs). The mean distance walked during 6MWT was 350 +/- 34m and the mean time needed to walk 400m (400mWT) was 300 +/- 27 seconds. The correlation between peak VO2 and distance walked during 6MWT was -0.40, a similar but negative value (r = -0.42) being registered between peak VO2 and time registered during 400mWT. Only weak correlation was registered between LVEF and all the three tests. In turn the correlation between distance registered during 6MWT and time registered during 400mWT was excellent: r = -0.60. CONCLUSION: 400mWT is a useful tool for the evaluation of submaximal effort capacity of CHF patients. Its value to evaluate exercise capacity is similar with that of the 6 MWT, but 400mWT can assure a better evaluation of peripheral involvement. |
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Authors:
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D Zdrenghea; Maria Beudean; Dana Pop; V Zdrenghea |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Romanian journal of internal medicine = Revue roumaine de médecine interne Volume: 48 ISSN: 1220-4749 ISO Abbreviation: Rom J Intern Med Publication Date: 2010 |
Date Detail:
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Created Date: 2010-12-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9304507 Medline TA: Rom J Intern Med Country: Romania |
Other Details:
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Languages: eng Pagination: 33-8 Citation Subset: IM |
Affiliation:
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Department of Cardiology, Rehabilitation Hospital "Iuliu Haţieganu" University of Medicine and Pharmacy, Cluj-Napoca. dzdrenghea@yahoo.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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