Document Detail


Caloric expenditure during cardiac rehabilitation.
MedLine Citation:
PMID:  9702608     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: The purpose of this study was to describe estimated caloric expenditure among patients in a maintenance cardiac rehabilitation program relative to a stated goal of approximately 300 kcal/session or 1,000 kcal/week. Additionally, we assessed the validity of several different methods for estimating caloric expenditure. METHODS: The caloric expenditure for an exercise session was evaluated in 30 of 65 patients exercising in a maintenance cardiac rehabilitation program. Patients exercised using a treadmill, dual-action ergometer, upright stepper, or reclining stepper. The kilocalorie expenditure was assessed by three different techniques. The first used liquid crystal display (LCD) readings from the equipment (LCD method), the second combined both the American College of Sports Medicine metabolic equations for treadmill walking and the LCD values from the other equipment (Combined method), and the third measured oxygen consumption (VO2 method). RESULTS: The caloric expenditure for the LCD, Combined, and VO2 methods were 247 +/- 83, 245 +/- 80, and 230 +/- 88 kcal, respectively. Agreement between methods using intraclass correlation analysis was r = 0.84 (0.68 to 0.92, 95% confidence intervals) for LCD versus VO2 and r = 0.88 (0.77 to 0.94, 95% confidence intervals) for Combined versus VO2 method. CONCLUSIONS: Most patients (83%) in a maintenance cardiac rehabilitation program exercise below 300 kcal per session, a level believed to be necessary to illicit favorable changes in cardiovascular health. Additionally, the Combined method provides a reasonable estimate of kilocalorie expenditure. Use of kilocalorie expenditure should be considered in the cardiac rehabilitation setting as a fourth component in the exercise prescription.
Authors:
J R Schairer; T Kostelnik; S M Proffitt; K I Faitel; S Windeler; L B Rickman; C A Brawner; S J Keteyian
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of cardiopulmonary rehabilitation     Volume:  18     ISSN:  0883-9212     ISO Abbreviation:  J Cardiopulm Rehabil     Publication Date:    1998 Jul-Aug
Date Detail:
Created Date:  1998-10-19     Completed Date:  1998-10-19     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8511296     Medline TA:  J Cardiopulm Rehabil     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  290-4     Citation Subset:  IM    
Affiliation:
Cardiovascular Wellness Center, Sinai Health Center, Detroit, MI 48235-2899, USA.
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MeSH Terms
Descriptor/Qualifier:
Energy Metabolism / physiology*
Exercise Therapy*
Female
Heart Diseases / rehabilitation*
Humans
Male
Middle Aged

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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