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A comparison of the non-invasive ultrasonic cardiac output monitor (USCOM) with the oesophageal Doppler monitor during major abdominal surgery.


ABSTRACT: BACKGROUND:Perioperative interventions, targeted to increase global blood flow defined by explicit measured goals, reduce postoperative complications. Consequently, reliable non-invasive estimation of the cardiac output could have far-reaching benefit. METHODS:This study compared a non-invasive Doppler device - the ultrasonic cardiac output monitor (USCOM) - with the oesophageal Doppler monitor (ODM), on 25 patients during major abdominal surgery. Stroke volume was determined by USCOM (SVUSCOM) and ODM (SVODM) pre and post fluid challenges. RESULTS:A???10% change (?) SVUSCOM had a sensitivity of 94% and specificity of 88% to detect a???10% ? SVODM; the area under the receiver operating curve was 0.94 (95% CI 0.90-0.99). Concordance was 98%, using an exclusion zone of <10% ? SVODM. 135 measurements gave median SVUSCOM 80?ml (interquartile range 65-93?ml) and SVODM 86?ml (69-100?ml); mean bias was 5.9?ml (limits of agreement -20 to +30?ml) and percentage error 30%. CONCLUSIONS:Following fluid challenges SVUSCOM showed good concordance and accurately discriminated a change ?10% in SVODM.

SUBMITTER: Hodgson LE 

PROVIDER: S-EPMC5606393 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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A comparison of the non-invasive ultrasonic cardiac output monitor (USCOM) with the oesophageal Doppler monitor during major abdominal surgery.

Hodgson Luke E LE   Forni Lui G LG   Venn Richard R   Samuels Theophilus L TL   Wakeling Howard G HG  

Journal of the Intensive Care Society 20151014 2


<h4>Background</h4>Perioperative interventions, targeted to increase global blood flow defined by explicit measured goals, reduce postoperative complications. Consequently, reliable non-invasive estimation of the cardiac output could have far-reaching benefit.<h4>Methods</h4>This study compared a non-invasive Doppler device - the ultrasonic cardiac output monitor (USCOM) - with the oesophageal Doppler monitor (ODM), on 25 patients during major abdominal surgery. Stroke volume was determined by U  ...[more]

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