Accuracy of Cardiac Output by Nine Different Pulse Contour Algorithms in Cardiac Surgery Patients: A Comparison with Transpulmonary Thermodilution

Table 2

Hemodynamic variables before and after cardiopulmonary bypass.

Variables	Before CPB	After CPB
	T1	T2
HR (min^−1)	53 ± 2	82 ± 5
MAP (mmHg)	75 ± 9	74 ± 10
SAP (mmHg)	116 ± 13	116 ± 14
DAP (mmHg)	59 ± 12	58 ± 11
CVP (mmHg)	11 ± 3	12 ± 2
(dynes⋅s/cm^5)	2370 ± 62	1968 ± 121
(L/min) mean	3.8 ± 0.9	5.7 ± 1.1
(L/min) mean	3.2 ± 1.2	5.2 ± 1.9
(L/min) mean	2.8 ± 0.9	5.6 ± 2.4
(L/min) mean	3.1 ± 1.0	5.5 ± 2.3
(L/min) mean	3.1 ± 0.9	5.6 ± 2.4
(L/min) mean	3.4 ± 1.2	5.4 ± 2.1
(L/min) mean	3.2 ± 1.2	5.5 ± 2.1
(L/min) mean	3.1 ± 1.1	5.6 ± 2.4
(L/min) mean	2.9 ± 1.0	5.7 ± 2.4
(L/min) mean	2.9 ± 0.9	5.7 ± 2.5
(L/min) mean	3.0 ± 1.0	5.7 ± 2.5

CPB, cardiopulmonary bypass; HR, heart rate; MAP, mean arterial pressure; SAP, systolic arterial pressure; DAP, diastolic arterial pressure; CVP, central venous pressure; , systemic vascular resistance index measured by transpulmonary thermodilution; , cardiac output by transpulmonary thermodilution; , cardiac output by esophageal doppler; , cardiac output by nine different pulse contour algorithms; Values are given as mean ± SD. (versus T1).