Document Detail

Clinical evaluation of the HemoSonic monitor in cardiac surgical patients in the ICU.
MedLine Citation:
PMID:  12973965     Owner:  NLM     Status:  MEDLINE    
The HemoSonic monitor (HemoSonic 100, Arrow International, Reading, PA, U.S.A.) is a minimally invasive device to determine cardiac output by means of M-mode and pulsed Doppler ultrasound. We evaluated the HemoSonic monitor by comparing its output to paired measurements obtained by the standard thermodilution technique in patients who had recently undergone cardiac surgery. Forty-seven paired measurements were carried out in 13 patients. The correlation between the two methods was very good with a correlation coefficient of 0.81. Comparison of the two techniques using the method described by Bland and Altman showed a mean of the differences of -0.23. The limits of agreement were -2.35 to 1.89. There was a reduced correlation between techniques at higher values of cardiac output. We concluded that the HemoSonic monitor has a place in intensive care monitoring, with good correlation with cardiac output measured by the thermodilution technique. It appears to be less suitable for use in patients with a high cardiac output state. The oesophageal probe is moderately difficult for patients to tolerate and is only appropriate for use in sedated patients. The accuracy of the device is somewhat operator-dependent.
D Moxon; M Pinder; P V van Heerden; R W Parsons
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Anaesthesia and intensive care     Volume:  31     ISSN:  0310-057X     ISO Abbreviation:  Anaesth Intensive Care     Publication Date:  2003 Aug 
Date Detail:
Created Date:  2003-09-16     Completed Date:  2003-12-23     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0342017     Medline TA:  Anaesth Intensive Care     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  408-11     Citation Subset:  IM    
Department of Intensive Care, Sir Charles Gairdner Hospital, Hospital Ave., Nedlands, W.A. 6009.
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MeSH Terms
Cardiac Output*
Equipment Design
Evaluation Studies as Topic
Heart Diseases / surgery
Intensive Care Units
Monitoring, Physiologic / instrumentation*,  methods
Postoperative Period

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

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