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BJA Advance Access published online on September 29, 2006
British Journal of Anaesthesia, doi:10.1093/bja/ael236
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© The Board of Management and Trustees of the British Journal of Anaesthesia 2006. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Accepted July 9, 2006

Clinical Investigation

Comparison of stroke volume (SV) and stroke volume respiratory variation (SVV) measured by the axillary artery pulse-contour method and by aortic Doppler echocardiography in patients undergoing aortic surgery

V. De Castro 1, J.-P. Goarin 1 *, L. Lhotel 1, N. Mabrouk 1, A. Perel 2, and P. Coriat 1

1 Department of Anesthesiology and Critical Care, Centre Hospitalo-Universitaire Pitié-Salpêtrière, APHP, Université Pierre et Marie Curie, Paris, France
2 Department of Anaesthesia and Intensive Care, Sheba Medical Center, Tel Aviv University, Tel Hashomer, 52621, Israel

* To whom correspondence should be addressed.
J.-P. Goarin, E-mail: jean-pierre.goarin{at}psl.aphp.fr


  Abstract

Background. The goal of the study was to compare stroke volume (SV) and respiratory stroke volume variation (SVV) measured by pulse-contour analysis and aortic Doppler.

Methods. These were measured by pulse-contour analysis and thermodilution (PiCCO) and by aortic pulsed wave Doppler with transoesophageal echocardiography in patients undergoing abdominal aortic surgery. Simultaneous measurements were done at different times of surgery. All data were recorded on PiCCOwin software and videotape and analysed off-line by a blinded investigator.

Results. A total of 114 measurements were achieved in 20 patients. There was a good correlation and small bias between the PiCCO and the echo-Doppler values of the mean SV [r=0.885; bias=0.2 (8) ml], and between the minimum [r=0.842; bias=1 (9) ml] and maximum SV [r=0.840; bias=2 (10) ml] values.

Conclusions. There is a fair correlation between pulse-contour analysis and aortic Doppler for beat-by-beat measurement of SV but not for calculation of SV respiratory ventilation.

Keywords: heart, cardiac output; monitoring, cardiac; transpulmonary thermodilution, transoesophageal echocardiography.
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