| Effects of walking on heart rate recovery, endothelium modulators and quality of life in patients with heart failure. | |
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MedLine Citation:
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PMID: 21450607 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background: Few studies have addressed the impact of moderate unsupervised everyday physical activity in patients with chronic heart failure (CHF). Design: We investigated the effects of a 12-week walking programme as the sole exercise intervention on heart rate recovery (HRR), index of the autonomic system equilibrium, serum modulators of endothelial function (i.e. asymmetric dimethylarginine (ADMA) and homocysteine), markers of inflammation and oxidative stress and quality of life measures (i.e. SF-36 and the Zung depression scale) in CHF patients. Methods: Twenty-eight stabilized CHF patients of NYHA class II and III volunteered to participate either in the exercise (n = 18) or in the non-exercise (n = 10) groups. Ten age-matched healthy volunteers provided reference values. The exercise programme consisted of unsupervised 40-minute walking for five days per week. Results: Repeated measures ANOVA revealed significant improvements in HRR (p < 0.001) in the exercise patients compared to their non-exercise counterparts. ADMA levels in CHF patients at baseline were found higher than the healthy reference volunteers (p < 0.03), while a decrease in ADMA levels after walking was associated with HRR changes (r = 0.74, p = 0.007). Homocysteine levels both at baseline and at the end of the walking intervention decreased in the exercise group, but were still higher than in the healthy individuals. Average walking distance positively correlated with homocysteine decrease (p < 0.05). Total SF-36 score significantly improved (p < 0.02) mainly due to enhancements in the physical component score (p < 0.026). Conclusion: A 12-week unsupervised walking programme exhibits a pronounced HRR amelioration, possibly attenuates endothelial damage and induces a concomitant improvement in perceived quality of life in CHF patients. |
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Authors:
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Konstantinos Tsarouhas; Christina Karatzaferi; Christina Tsitsimpikou; Alexander Haliassos; Demetrios Kouretas; Pavlos Pavlidis; Aristidis Veskoukis; Stamatis Adamopoulos; Zenon Kyriakides; Louis Constantinou; Yannis Koutedakis; Elias Rentoukas |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-25 |
Journal Detail:
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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: - ISSN: 1741-8275 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-3-31 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101192000 Medline TA: Eur J Cardiovasc Prev Rehabil Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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'Amalia Fleming' General Hospital, Athens, Greece and Department of Physical Education and Sport Sciences, University of Thessaly, Trikala, Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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