Document Detail


Maintaining physical fitness of patients with chronic heart failure: a randomized controlled trial.
MedLine Citation:
PMID:  20389247     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: We aimed to compare the effects of three different training advices, after 1 year, following a 6 months supervised cardiac rehabilitation period in patients with chronic heart failure (CHF).
METHODS: Sixty-nine CHF patients were randomized, at the end of their rehabilitation period, either to usual care (UC) or to UC and controlled home training (HT), prolonged supervised training (ST) or preferred training (PT). Treadmill cardio-pulmonary exercise testing was performed before rehabilitation, postrehabilitation and thereafter at 3-month intervals during the 1-year follow-up. submaximal exercise capacity [Oxygen consumption and workload at the respiratory compensation point (VO2RCP, WattRCP) and submaximal workload (SMW) efficiency (SMW/HR) at 70% of the initial maximal workload] was chosen as a primary endpoint, because health status in CHF patients depends largely on their ability to perform activities at a submaximal level.
RESULTS: After 6 months of rehabilitation, the four groups (UC, HT, ST and PT) were comparable with regard to cardiac rehabilitation-derived benefit, both at the submaximal and maximal level. Although exercise capacity during follow-up declined in both UC and HT patients, ST and especially PT patients maintained and even improved VO2peak and VO2RCP. However, only PT patients managed to maintain or even increase submaximal (WattRCP and SMW/HR ratio) workload (P=0.045 and <0.0001 for interaction, respectively). Ventilatory-derived prognostic markers during treadmill cardio pulmonary exercise testing evolved similarly in the four subgroups.
CONCLUSION: This study suggests that engagement in physical training of their own choice (PT), might be the optimal training modality for maintaining physical capacity in CHF patients.
Authors:
Paul J Beckers; Johan Denollet; Nadine M Possemiers; Kurt Wuyts; Christiaan J Vrints; Viviane Marie Conraads
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
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 Dec 
Date Detail:
Created Date:  2011-01-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101192000     Medline TA:  Eur J Cardiovasc Prev Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  660-7     Citation Subset:  IM    
Affiliation:
Department of Cardiology, Antwerp University Hospital, Edegem, Belgium.
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