| Long-term effects of a group-based high-intensity aerobic interval-training program in patients with chronic heart failure. | |
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MedLine Citation:
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PMID: 18940296 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Studies on the long-term effects of exercise training programs on functional capacity and the quality of life in patients with chronic heart failure (CHF) are sparse. The aim of this study was to evaluate the long-term effects of group-based, high-intensity interval training on functional capacity and the quality of life in 80 patients with stable CHF (mean age 70.1 +/- 7.9 years) in New York Heart Association classes II to IIIB. Patients were randomized to either an exercise group (n = 40) or a control group (n = 40). The mean ejection fractions at baseline were 31 +/- 8% in the exercise group and 31 +/- 1% in the control group. The exercise group exercised twice a week for 4 months in addition to 4 consultations with a CHF nurse. Six-minute walking distance, workload and exercise time on a cycle ergometer test, and the quality of life were measured at baseline and 4 and 12 months after enrollment. After 4 months, functional capacity (6-minute walking distance +58 vs -15 m, p <0.001) and the quality of life (Minnesota Living With Heart Failure Questionnaire score +10 vs -1 point, p <0.005) improved significantly in the exercise group compared with the control group. After 12 months, the improvements were still significant in the exercise group compared with the control group for all parameters (6-minute walking distance +41 vs -20 m, p <0.001; workload +10 vs -1 W, p = 0.001; exercise time +53 vs -6 seconds, p = 0.003; quality of life +10 vs -6 points, p = 0.003). In conclusion, the results support the implementation of a group-based aerobic interval training program to improve long-term effects on functional capacity and the quality of life in patients with CHF. |
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Authors:
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Birgitta Blakstad Nilsson; Arne Westheim; May Arna Risberg |
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Publication Detail:
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Type: Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't Date: 2008-08-29 |
Journal Detail:
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Title: The American journal of cardiology Volume: 102 ISSN: 1879-1913 ISO Abbreviation: Am. J. Cardiol. Publication Date: 2008 Nov |
Date Detail:
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Created Date: 2008-10-22 Completed Date: 2009-01-06 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0207277 Medline TA: Am J Cardiol Country: United States |
Other Details:
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Languages: eng Pagination: 1220-4 Citation Subset: AIM; IM |
Affiliation:
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Department of Cardiology, Ullevaal University Hospital, Oslo, Norway. b.b.nilsson@medisin.uio.no |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged Chronic Disease Exercise* Exercise Therapy* Exercise Tolerance Female Heart Failure / therapy* Humans Male Middle Aged Quality of Life* Severity of Illness Index Time Factors Treatment Outcome |
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