Table 2. Preoperative hemodynamic status.
Variables | All patients (n=68) | Patients with RVF (n=32) | Patients without RVF (n=36) | P value |
---|---|---|---|---|
MAP (mmHg), mean ± SD | 74.8±9.1 | 75.1±7.6 | 74.5±10.4 | 0.800 |
CVP (mmHg), mean ± SD | 11.5±4.5 | 11.8±4.1 | 11.1±5.0 | 0.486 |
CI (L/m2), mean ± SD | 2.1±1.0 | 2.3±1.3 | 1.9±0.7 | 0.237 |
SvO2 (%), mean ± SD | 63.1±16.1 | 61.2±18.3 | 64.8±14.1 | 0.486 |
Inotropic and vasoactive supports, mean ± SD or n (%) | ||||
Epinephrine | 8 (11.8) | 6 (18.8) | 2 (5.6) | 0.135 |
Mean dose (μg/kg/min) | 0.008±0.028 | 0.012±0.033 | 0.005±0.022 | 0.263 |
Dobutamine | 37 (54.4) | 16 (50.0) | 21 (58.3) | 0.491 |
Mean dose (μg/kg/min) | 3.18±3.70 | 3.34±4.38 | 3.04±3.17 | 0.746 |
Milrinone | 1 (1.5) | 1 (3.1) | 0 | 0.471 |
Mean dose (μg/kg/min) | 0.004±0.036 | 0.009±0.053 | 0 | 0.292 |
Norepinephrine | 18 (26.5) | 12 (37.5) | 6 (16.7) | 0.052 |
Mean dose (μg/kg/min) | 0.03±0.06 | 0.05±0.08 | 0.01±0.035 | 0.029 |
VIS, mean ± SD | 6.9±9.8 | 9.7±12.3 | 4.4±6.2 | 0.028 |
RVF, right ventricular failure; MAP, mean arterial pressure; CVP, central venous pressure; CI, cardiac index; SvO2, central venous oxygen saturation; VIS, vasoactive-inotropic score [VIS = dopamine dose (µg/kg/min) + dobutamine dose (µg/kg/min) + 100 × epinephrine dose (µg/kg/min) + 10 × milrinone dose (µg/kg/min) + 10,000 × vasopressin dose (units/kg/min) + 100 × norepinephrine dose (µg/kg/min)].