Comparison of esCCO and transthoracic echocardiography for non-invasive measurement of cardiac output intensive care B. Bataille, M. Bertuit, M. Mora,

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Presentation transcript:

Comparison of esCCO and transthoracic echocardiography for non-invasive measurement of cardiac output intensive care B. Bataille, M. Bertuit, M. Mora, M. Mazerolles, P. Cocquet, B. Masson, P.E. Moussot, J. Ginot, S. Silva, J. Larché British Journal of Anaesthesia Volume 109, Issue 6, Pages 879-886 (December 2012) DOI: 10.1093/bja/aes298 Copyright © 2012 The Author(s) Terms and Conditions

Fig 1 Correlation between COesCCO and COTTE. There was a significant correlation between COesCCO and COTTE (R=0.61, P<0.0001). The equation was corrected for repeated measurements. British Journal of Anaesthesia 2012 109, 879-886DOI: (10.1093/bja/aes298) Copyright © 2012 The Author(s) Terms and Conditions

Fig 2 Bland–Altman plot between COesCCO and COTTE. The bias was −1.6 litre min−1 and limits of agreement were −4.7 and +1.5 litre min−1. The Bland–Altman analysis was corrected for repeated measurements. To exclude the mixing of data, we calculate the mean difference between measurements for each patient; each point represents one patient. British Journal of Anaesthesia 2012 109, 879-886DOI: (10.1093/bja/aes298) Copyright © 2012 The Author(s) Terms and Conditions

Fig 3 Four quadrant plot representing the correlation and concordance between ΔCOesCCO and ΔCOTTE. The correlation coefficient was 0.63 (P<0.0001) and the concordance rate was 73%. The equation was corrected for repeated measurements. British Journal of Anaesthesia 2012 109, 879-886DOI: (10.1093/bja/aes298) Copyright © 2012 The Author(s) Terms and Conditions

Fig 4 Polar plot used to show trending ability. The distance from the centre of the plot represents the mean change in CO, the angle with the horizontal axis represents disagreement. Sixty-three per cent of the data lie inside the limits of good trending ability (i.e. ±30° represented by dotted lines). British Journal of Anaesthesia 2012 109, 879-886DOI: (10.1093/bja/aes298) Copyright © 2012 The Author(s) Terms and Conditions

Fig 5 Bias plotted against SVR. There was a significant log-linear correlation between the bias and SVR (R=−0.45, P<0.0001). The equation was corrected for repeated measurements. British Journal of Anaesthesia 2012 109, 879-886DOI: (10.1093/bja/aes298) Copyright © 2012 The Author(s) Terms and Conditions