Document Detail

The use of an exponential protocol for bicycle and treadmill exercise testing in patients with chronic cardiac failure.
MedLine Citation:
PMID:  1396809     Owner:  NLM     Status:  MEDLINE    
We have studied a standardized exercise protocol suitable for use with a treadmill or bicycle (STEEP protocol) and compared it with a modified Bruce treadmill protocol in a group of patients with chronic cardiac failure. The STEEP protocol has been previously validated in normal subjects. Exercise time (6.79 +/- 2.42 vs 5.34 +/- 1.95 min, P < 0.05) and peak VO2 (16.66 +/- 4.09 vs 15.01 +/- 3.72, P < 0.05) were greater with the STEEP treadmill compared with the bicycle protocol, but VO2 was very similar at equal exercise stages in both modalities. Heart rate and respiratory exchange ratio tended to be greater during bicycle exercise at equal stages. Exercise time was greater with the modified Bruce protocol (9.00 +/- 3.02 min, P < 0.05) than with either STEEP protocol, but peak VO2 (17.13 +/- 4.52 was similar to that obtained with the STEEP treadmill test. We conclude that the STEEP protocol may be used to test patients with chronic cardiac failure, and that exercise times relate well in both treadmill and bicycle. The protocol should prove useful in studies involving a wide range of exercise capacities or both bicycle and treadmill exercise.
M Riley; D B Northridge; E Henderson; C F Stanford; D P Nicholls; H J Dargie
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  European heart journal     Volume:  13     ISSN:  0195-668X     ISO Abbreviation:  Eur. Heart J.     Publication Date:  1992 Oct 
Date Detail:
Created Date:  1992-11-17     Completed Date:  1992-11-17     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  8006263     Medline TA:  Eur Heart J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1363-7     Citation Subset:  IM    
Royal Victoria Hospital, Belfast, N. Ireland.
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MeSH Terms
Chronic Disease
Exercise Test / methods*
Exercise Tolerance
Heart Failure / diagnosis*,  physiopathology
Heart Rate
Middle Aged
Oxygen Consumption
Pulmonary Gas Exchange

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