• V De Castro, J-P Goarin, L Lhotel, N Mabrouk, A Perel, and P Coriat.
• Department of Anesthesiology and Critical Care, Centre Hospitalo-Universitaire Pitié-Salpêtrière, APHP, Université Pierre et Marie Curie Paris, France.
• Br J Anaesth. 2006 Nov 1;97(5):605-10.

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

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