Document Detail

Applicability of a threshold loading device for inspiratory muscle testing and training in patients with COPD.
MedLine Citation:
PMID:  2766815     Owner:  NLM     Status:  MEDLINE    
We evaluated application of a Pth device for testing inspiratory muscle endurance among patients with severe but stable COPD. Endurance time in five patients was reproducible. Magnitude of variability was +/- 1.26 minutes with a range of +/- 0.19 to +/- 2.28 minutes. Eleven inpatients completed inspiratory muscle training twice daily for four weeks in addition to their usual program of respiratory rehabilitation. The mean age of our experimental cohort was 65 years; FEV1, 33 +/- 12 percent predicted; and Dsb, 42 +/- 7 percent predicted. Baseline measurements showed no significant differences in pulmonary function, exercise tolerance, inspiratory muscle strength or inspiratory muscle endurance between control and study groups. Following training, the study group significantly improved inspiratory muscle endurance as evidenced by an increase in endurance time while breathing against the same absolute external Pth load used during baseline assessments. There were no associated changes in lung mechanics, muscle strength or exercise tolerance.
R Goldstein; J De Rosie; S Long; T Dolmage; M A Avendano
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Chest     Volume:  96     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  1989 Sep 
Date Detail:
Created Date:  1989-09-29     Completed Date:  1989-09-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  564-71     Citation Subset:  AIM; IM    
Department of Medicine, University of Toronto, Ontario, Canada.
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MeSH Terms
Breathing Exercises
Lung Diseases, Obstructive / physiopathology,  rehabilitation*
Middle Aged
Physical Endurance
Respiratory Function Tests / instrumentation*
Respiratory Muscles / physiology*

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