Table 1.
Hemodynamic data during normovolemia (BL), normovolemia with phenylephrine infusion (BL + PHE), hypovolemia (BW) and hypovolemia with phenylephrine infusion (BW + PHE)
| BL | BL + PHE | BW | BW + PHE | |
|---|---|---|---|---|
| SV (ml) |
0.39 ± 0.04 |
0.27 ± 0.09 |
0.25 ± 0.08 |
0.19 ± 0.05* |
| AoF (mL . min-1) |
71 ± 18 |
51 ± 15* |
53 ± 13* |
39 ± 10* |
| HR (bpm) |
214 ± 26 |
198 ± 33 |
217 ± 33 |
201 ± 21 |
| CVP (mm Hg) |
3 ± 1 |
4 ± 1 |
3 ± 1 |
5 ± 1 |
| MAP (mm Hg) |
76 ± 16 |
77 ± 12 |
77 ± 16 |
81 ± 13 |
| PAP (mm Hg) |
38 ± 10 |
40 ± 15 |
32 ± 13 |
38 ± 13 |
| LVEDP (mm Hg) |
4.7 ± 5.7 |
5.7 ± 5.3 |
5.1 ± 4.7 |
4.2 ± 4.2 |
| dP/dtmax (mm Hg . s-1) |
1544 ± 456 |
1780 ± 946 |
1897 ± 1027 |
1838 ± 899 |
| dP/dtmin (mm Hg . s-1) | -1802 ± 765 | -1789 ± 631 | -1763 ± 989 | -1787 ± 1014 |
*p < 0.05 vs BL.
AoF: Aortic flow; CVP: Central venous pressure; dP/dtmax and dP/dtmin: Maximum and minimum first derivative of LVP, respectively; HR: Heart rate; LVEDP: Left ventricular end diastolic pressure; MAP and PAP: Mean and pulse aortic pressure, respectively; SV: Stroke volume.