Document Detail


A comparative study of cardiac output in neonates supported by mechanical ventilation: measurement with thoracic electrical bioimpedance and pulsed Doppler ultrasound.
MedLine Citation:
PMID:  2926576     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
In newborn infants supported by mechanical ventilation, cardiac output was measured simultaneously with thoracic electrical bioimpedance and pulsed Doppler ultrasound to determine whether the impedance technique is reliable and accurate in this age group. The mean difference between paired measurements with the two techniques in 26 subjects was negligible (less than 1 ml/kg/min), with 95% confidence limits being approximately 11% of the mean Doppler-derived cardiac output. In addition, the two techniques related well (correlation coefficient r = 0.94) over a wide range of Doppler-derived cardiac output measurements (120 to 530 ml/kg/min). In 8 of the 26 subjects, cardiac output was observed for 7 to 12 hours. The mean difference between the Doppler and impedance techniques was 6.1% to -0.7% of the Doppler value. Thoracic electrical bioimpedance is applicable to newborn infants and offers a continuous noninvasive method of cardiac output measurement.
Authors:
J Tibballs
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  The Journal of pediatrics     Volume:  114     ISSN:  0022-3476     ISO Abbreviation:  J. Pediatr.     Publication Date:  1989 Apr 
Date Detail:
Created Date:  1989-05-05     Completed Date:  1989-05-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  632-5     Citation Subset:  AIM; IM    
Affiliation:
Intensive Care Unit, Royal Children's Hospital, Parkville, Victoria, Australia.
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MeSH Terms
Descriptor/Qualifier:
Cardiac Output*
Cardiography, Impedance*
Echocardiography, Doppler*
Humans
Infant, Newborn
Plethysmography, Impedance*
Respiration, Artificial

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


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