Document Detail

Determination of cardiac output from pulse pressure contour during intra-aortic balloon pumping.
MedLine Citation:
PMID:  7444347     Owner:  NLM     Status:  MEDLINE    
The reliability of cardiac output determinations from radial pulse pressure contour during intra-aortic balloon pumping (IABP) has been tested and compared with thermodilution measurements. During IABP the pulse pressure curve is distorted by preset volume changes in the aorta. The pressure decrease following balloon deflation was compared with pressure increase following systolic ejection to determine stroke volume and cardiac output. The analysis and calculations were computerized. Measurements were made in thirteen patients with left ventricular failure. The algorithmic analyser failed to produce any results at all in two patients and in ten other patients if failed to produce results more often in some of the patients than others. This made the algorithmic calculation of cardiac output useless in the care of the individual patients. In thirteen patients on IABP seventy-seven comparisons were obtained, and a fair covariation (r = 0.86) was found. The ratio between the two methods of cardiac output measurements did not change significantly with increasing cardiac output.
J Høie
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Scandinavian journal of clinical and laboratory investigation     Volume:  40     ISSN:  0036-5513     ISO Abbreviation:  Scand. J. Clin. Lab. Invest.     Publication Date:  1980 Sep 
Date Detail:
Created Date:  1981-02-26     Completed Date:  1981-02-26     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0404375     Medline TA:  Scand J Clin Lab Invest     Country:  NORWAY    
Other Details:
Languages:  eng     Pagination:  445-9     Citation Subset:  IM    
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MeSH Terms
Assisted Circulation / methods*
Blood Pressure
Cardiac Output*
Intra-Aortic Balloon Pumping / methods*
Monitoring, Physiologic / methods
Stroke Volume

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

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