Table 2. Potapov et al. criteria (5).

RHF is diagnosed if any of the following:

Death;

Inability to wean from CPB.

Or any two of the following (sustained for 15 minutes after complete withdrawal from CPB):

Left ventricular flow rate index ≤2.0 liters/min/m2;

Administration of ≥20 IE:

10 mcg/kg/min dopamine, dobutamine, enoximone, amrinone is equivalent to 10 IE;

0.1 mcg/kg/min adrenaline or noradrenaline is equivalent to 10 IE;

1 mcg/kg/min milrinone is equivalent to 15 IE;

0.1 U/min vasopressin is equivalent to 10 IE;

MAP ≤55 mmHg;

CVP ≥16 mmHg;

SvO2 ≤55%.

Abbreviations: RHF, Right heart failure; CPB, cardio-pulmonary bypass; IE, inotropic equivalents; MAP, mean arterial pressure; CVP, central venous pressure; SvO₂, mixed venous oxygen saturation.