Document Detail


The repeatability of submaximal endurance exercise testing in cystic fibrosis.
MedLine Citation:
PMID:  17123319     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Submaximal endurance cycle ergometer exercise tests are used to measure the efficacy of an exercise intervention, but the repeatability of these tests in patients with cystic fibrosis (CF) has not been established. The purpose of this study was to examine the repeatability of submaximal endurance testing in stable CF. Fifteen adults with CF underwent two submaximal endurance tests carried out over a 7-day period. A subset of six subjects returned 28 days later for a third submaximal endurance test. Workload was set at 80% of maximum workload and exercise was performed to exhaustion. Oxygen consumption, minute ventilation, tidal volume, carbon dioxide output, respiratory rate, heart rate, and oxygen saturation were measured at rest, at end exercise and at four matched times during the submaximal endurance tests (20, 40, 60, and 80% of exercise duration calculated from the first endurance test). Submaximal endurance test time was highly repeatable with no significant learning effect identified on multiple testing. Submaximal endurance exercise time demonstrated a variability of 5.7% which is consistent with high levels of repeatability. Metabolic, ventilatory and cardiac variables were all also highly reproducible between test days. Submaximal endurance testing is repeatable in stable CF, confirming that submaximal endurance tests are a reliable tool for assessment of therapeutic benefit in patients with CF.
Authors:
Sinead C Barry; Charles G Gallagher
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pediatric pulmonology     Volume:  42     ISSN:  8755-6863     ISO Abbreviation:  Pediatr. Pulmonol.     Publication Date:  2007 Jan 
Date Detail:
Created Date:  2006-12-05     Completed Date:  2007-03-08     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8510590     Medline TA:  Pediatr Pulmonol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  75-82     Citation Subset:  IM    
Copyright Information:
(c) 2006 Wiley-Liss, Inc.
Affiliation:
Department of Respiratory Medicine and National Referral Centre for Adult Cystic Fibrosis, St. Vincent's University Hospital, Dublin, Ireland. sinead.barry@ucd.ie
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MeSH Terms
Descriptor/Qualifier:
Adult
Cystic Fibrosis / physiopathology*
Ergometry
Exercise Test*
Female
Humans
Male
Physical Endurance*
Reproducibility of Results
Spirometry

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


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