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Comparison between an uncalibrated pulse contour method and thermodilution technique for cardiac output estimation in septic patients  F. Franchi, R.

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Presentation on theme: "Comparison between an uncalibrated pulse contour method and thermodilution technique for cardiac output estimation in septic patients  F. Franchi, R."— Presentation transcript:

1 Comparison between an uncalibrated pulse contour method and thermodilution technique for cardiac output estimation in septic patients  F. Franchi, R. Silvestri, L. Cubattoli, F.S. Taccone, K. Donadello, S.M. Romano, P. Giomarelli, W.T. McBride, S. Scolletta  British Journal of Anaesthesia  Volume 107, Issue 2, Pages (August 2011) DOI: /bja/aer123 Copyright © 2011 The Author(s) Terms and Conditions

2 Fig 1 Bland–Altman plots of CO obtained with intermittent ThD (ThD-CO) and MostCare (MostCare-CO) at each time of the study. Graphs a, b, and c refer to data obtained at T1, T2, and T3, respectively. Graph d refers to all data. Solid line, mean difference (bias); dotted lines, limits of agreement [bias (2 sd)]. British Journal of Anaesthesia  , DOI: ( /bja/aer123) Copyright © 2011 The Author(s) Terms and Conditions

3 Fig 2 Relationship between changes (Δ) in CO estimated by intermittent ThD (ΔThD-CO) and by MostCare (ΔMostCare-CO). Four-quadrant trend plot (a) and modified Bland–Altman trend plot (b). Correlation coefficient (R) was equal to 0.89 [bias of −0.007 litre min−1 (2 sd 1.7 litre min−1)]. (a) Solid line, line of regression. (b) Solid line, mean difference (bias); dotted lines, limits of agreement [bias (2 sd)]. Δ in CO was calculated by subtracting the first from the second measurement (T2–T1), and the second from the third (T3–T2). British Journal of Anaesthesia  , DOI: ( /bja/aer123) Copyright © 2011 The Author(s) Terms and Conditions

4 Fig 3 Bias between ThD-CO (CO obtained with intermittent ThD) and MostCare-CO (CO obtained with MostCare) plotted against SVR. The graph shows that SVR changes and bias between CO measurements are not related. Data from all three time points used (n = 90). British Journal of Anaesthesia  , DOI: ( /bja/aer123) Copyright © 2011 The Author(s) Terms and Conditions

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