Table 1.
Sequential changes in hemodynamic parameters.
| Base | Injury | S1 | P1 | P2 | P3 | S2 | |
|---|---|---|---|---|---|---|---|
| CI (L/M2/min) | 3.4±0.9 | 3.0±0.7 | 2.9±0.8 | 3.0±0.7 | 3.5±1.2 | 3.3±0.8 | 3.4±0.9 |
| SVRI (dyne-sec) | 3460.1±1365.8 | 2673.2±764.9 | 2967.2±1316.3 | 2411.6±1027.4 | 2990.9±750.9 | 3290.1±97.3 | 2808.3±692.7 |
| MAP (mmHg) | 137.5±9.8 | 99.7±13.7 | 98.8±12.3 | 96.5±41.6 | 122.8±7.8* | 129.5±9.6* | 116.3±12.2 |
| PAP (mmHg) | 14.3±2.1 | 14.5±3.0 | 17.2±4.0 | 16.7±2.0 | 19.0±4.0 | 20.2±3.6* | 23.7±4.8*,† |
| PVRI (dyne-sec) | 237.1±122.0 | 327.5±138.8 | 418.3±161.7 | 341.4±64.2 | 362.5±79.7 | 427.4±119.9† | 484.6±149.8 |
Data are shown as means ±SD.
Base, baseline; Injury, 1hr after induction of injury; S1, PLV in the supine position; P1, 1hr after PLV in the prone position; P2, 2hrs after PLV in the prone position; P3, 3hrs after PLV in the prone position; S2, PLV in the supine position after the prone position; MAP, mean arterial pressure; CI, cardiac index; SVRI, systemic vascular resistance index; PAP, mean pulmonary arterial pressure; PVRI, pulmonary vascular resistance index.
*
p < 0.05 compared with Injury,
†
p < 0.05 compared with previous value.