Document Detail

Increased duration of postinspiratory inspiratory activity during augmented breaths in cats.
MedLine Citation:
PMID:  3785737     Owner:  NLM     Status:  MEDLINE    
The duration of diaphragm electrical activity in augmented breaths during early expiration (postinspiratory inspiratory activity, PIIA) was assessed in 12 pentobarbital-anesthetized cats. There were significant prolongations of expiratory time (P less than 0.001) and PIIA (P less than 0.001) during augmented breaths compared to cupneic breaths, but no alteration in the portion of expiratory time during which the diaphragm was electrically silent. Furthermore, significant linear correlations were found between control and augmented breaths for the duration of PIIA (r = 0.95) and for the ratio of PIIA to expiratory time (r = 0.88). These results suggest that during augmented breaths there is not only an increased motor output to the diaphragm during inspiration, but that the early expiratory activity of the diaphragm is greater as well.
E van Lunteren; M A Haxhiu; N R Prabhakar; J Mitra; N S Cherniack
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Neuroscience letters     Volume:  71     ISSN:  0304-3940     ISO Abbreviation:  Neurosci. Lett.     Publication Date:  1986 Oct 
Date Detail:
Created Date:  1987-01-09     Completed Date:  1987-01-09     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  7600130     Medline TA:  Neurosci Lett     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  83-8     Citation Subset:  IM    
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MeSH Terms
Diaphragm / physiology*
Time Factors
Grant Support

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