Document Detail

Relationships between venous return and blood pressure in caval veins and right atrium during pressor stimulation.
MedLine Citation:
PMID:  11782782     Owner:  NLM     Status:  MEDLINE    
The dynamics of changes in blood flow and pressure in the superior and inferior vena cava, total venous return, and right atrial pressure in response to pressor stimuli were studied in acute experiments on cats. It was shown that blood flow and pressure in caval veins changed synchronously and unidirectionally, while shifts in the right atrial pressure did not depend on direction and magnitude of changes in caval flow and pressure and total venous return. Our results suggest that right atrial pressure does not play a role in the regulation of venous return.
B I Tkachenko; V I Evlakhov; I Z Poyasov
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Bulletin of experimental biology and medicine     Volume:  132     ISSN:  0007-4888     ISO Abbreviation:  Bull. Exp. Biol. Med.     Publication Date:  2001 Oct 
Date Detail:
Created Date:  2002-01-09     Completed Date:  2002-07-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372557     Medline TA:  Bull Exp Biol Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  926-8     Citation Subset:  IM    
Department of Physiology of Visceral Systems, Institute of Experimental Medicine, Russian Academy of Medical Sciences, St Petersburg.
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MeSH Terms
Atrial Function, Right / physiology*
Blood Flow Velocity
Blood Pressure
Cardiovascular System
Epinephrine / pharmacology
Time Factors
Vena Cava, Inferior / physiology*
Vena Cava, Superior / physiology*
Reg. No./Substance:

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