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

Table 1

Pulse contour algorithms used in the study [14, 15].

Number	Model’s name	Algorithm
X1	Mean arterial pressure model
X2	Windkessel model
X3	Windkessel with RC Decay model
X4	Liljestrand-Zander model
X5	Pressure Root Mean Square model
X6	Herd model
X7	Systolic area model
X8	Systolic area with correction
X9	Systolic area with corrected impedance

SV, stroke volume; HR, heart rate; MAP, mean arterial pressure; SBP, systolic blood pressure; DBP, diastolic blood pressure; ABP, arterial blood pressure; , duration of cardiac cycle (); , duration of systole (estimated as 30% of ); , duration of diastole ().