Evaluation of a new continuous cardiac output monitor in off-pump coronary artery surgery.

Abstract:

:We evaluated a new, ultra-fast response continuous cardiac output monitor in 34 adult patients undergoing off-pump coronary artery bypass graft surgery. Cardiac output was measured with the TruCCOMS continuous cardiac output monitor (Aortech International plc, Lanarkshire, UK), using triplicate cold bolus thermodilution as the criterion standard, at fixed time points during surgery and during dobutamine infusion. The two techniques were compared using linear regression and Bland-Altman analysis. Overall, the study device displayed a bias of 0.4 l.min(-1) with limits of agreement of +2.5 l.min(-1) and -1.7 l.min(-1). The study device failed to detect the change in cardiac output caused by dobutamine accurately (y = 0.18x + 0.45; r(2) = 0.13), with an error linearly related to the magnitude of the change measured. We conclude that the device's failure to detect changes in cardiac output could be a major limitation in its clinical use in its current form.

journal_name

Anaesthesia

journal_title

Anaesthesia

authors

Leather HA,Vuylsteke A,Bert C,M'Fam W,Segers P,Sergeant P,Vandermeersch E,Wouters PF

doi

10.1111/j.1365-2044.2004.03668.x

subject

Has Abstract

pub_date

2004-04-01 00:00:00

pages

385-9

issue

4

eissn

0003-2409

issn

1365-2044

pii

ANA3668

journal_volume

59

pub_type

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