| Long-term versus intermediate-term supervised exercise training in advanced heart failure: effects on exercise tolerance and mortality. | |
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MedLine Citation:
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PMID: 16707174 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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AIM: To date there have been no studies exploring the effects of long-term versus intermediate-term and short-term supervised exercise training program in patients with severe chronic heart failure (CHF) on optimal medical therapy. We assessed exercise tolerance and mortality in CHF patients undergoing long- versus intermediate-term exercise training (ET). METHODS: Forty-two consecutive severe CHF patients (New York Heart Association functional class III) were referred for a supervised exercise and cardiac rehabilitation program and were followed-up for 3 years: 20/42 (48%) patients discontinued ET after intermediate-term period of 1.6+/-0.8 years (Group A, intermediate-term ET), and 22/42 (52%) remained on the ET program for 3.0+/-0.3 years (Group B, long-term ET). Exercise duration, 6-min walked distance and metabolic equivalents (METs) assessed by modified Bruce protocol were recorded before, 4.5 months after, and 3 years after initiation of ET. RESULTS: Both groups were comparable regarding age, gender, prevalence of ischemic etiology, mean ejection fraction and medications. Risk factors for ischemic heart disease were similar, except for the prevalence of diabetes, which was higher in Group A compared to Group B (11/20 versus 5/22, p=0.03). Significantly more Group A patients died after ET discontinuation (4/20 versus 0/22, p=0.01). At the end of follow-up a significant improvement could be seen in Group B patients compared to A in exercise duration, 6-min walked distance and metabolic equivalents (p<0.01 for all). CONCLUSIONS: Higher survival rate was observed in severe CHF patients undergoing long-term versus intermediate-term exercise training. Long-term supervised exercise training is safe and improves exercise tolerance in these patients. |
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Authors:
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Alexander Tenenbaum; Dov Freimark; Ella Ahron; Nira Koren-Morag; Ehud Schwamenthal; Enrique Z Fisman; Michael Shechter; David Tanne; Dvora Kachlon; Michael Motro; Yehuda Adler |
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Publication Detail:
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Type: Comparative Study; Journal Article Date: 2006-05-16 |
Journal Detail:
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Title: International journal of cardiology Volume: 113 ISSN: 1874-1754 ISO Abbreviation: Int. J. Cardiol. Publication Date: 2006 Nov |
Date Detail:
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Created Date: 2006-11-13 Completed Date: 2007-01-25 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8200291 Medline TA: Int J Cardiol Country: Netherlands |
Other Details:
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Languages: eng Pagination: 364-70 Citation Subset: IM |
Affiliation:
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Cardiac Rehabilitation Institute, Chaim Sheba Medical Center, Tel-Hashomer, Israel. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Exercise Therapy* Exercise Tolerance* Female Heart Failure / mortality*, physiopathology, rehabilitation* Humans Male Middle Aged Time Factors |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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