Document Detail


Pulsatile venous flow in extracorporeal circulation.
MedLine Citation:
PMID:  7265465     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Effects of pulsatile venous flow upon the microcirculation were investigated in conditions with different venous pressures by using regional perfusion in dog's hind legs. In animals with venous pressure of -18 cmH2O (Collapsed stage), venous pulsation brought about a significant increase in mean oxygen consumption ratio and suppressed a rise of mean resistance ratio significantly. In animals with venous pressure of +2 cmH2O (normal venous pressure stage), the venous pulsation was effective in a rise of mean oxygen consumption ratio but was not effective in suppression of mean resistance ratio. In animals with venous pressure of +10 cmH2O (congestive stage), no effect of venous pulsation was recognized. We suppose that the intermittent elevation of venous pressure by venous pulsation is effective for opening some capillaries in animals with venous pressure below +2 cmH2O.
Authors:
O Nishimura; T Sakurai; M Takimoto; H Ohta; S Tokutsu; Y Yamaoka; K Okada; S Matsuoka; Y Suzuki; H Yokoi; K Enomoto; N Okada
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Publication Detail:
Type:  In Vitro; Journal Article    
Journal Detail:
Title:  Japanese heart journal     Volume:  22     ISSN:  0021-4868     ISO Abbreviation:  Jpn Heart J     Publication Date:  1981 May 
Date Detail:
Created Date:  1981-10-25     Completed Date:  1981-10-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0401175     Medline TA:  Jpn Heart J     Country:  JAPAN    
Other Details:
Languages:  eng     Pagination:  395-405     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Animals
Dogs
Extracorporeal Circulation* / methods
Microcirculation
Oxygen Consumption
Pulse
Vascular Resistance
Veins / physiology*
Venous Pressure

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