Table 2.
Hemodynamic changes induced by volume expansion.
| Before volume expansion | After volume expansion | ||||
|---|---|---|---|---|---|
| Heart rate | volume responders (n = 16) | 104 | ± 33 | 110 | ± 28 |
| (mean ± SD, beats/min) | non-volume responders (n = 22) | 98 | ± 20 | 96 | ± 22 |
| Invasive mean arterial pressure | volume responders (n = 16) | 77 | ± 16 | 80 | ± 20# |
| (mean ± SD, mmHg) | non-volume responders (n = 22) | 74 | ± 14 | 79 | ± 14 |
| Non-invasive mean arterial pressure | volume responders (n = 16) | 75 | ± 17 | 80 | ± 18# |
| (mean ± SD, mmHg) | non-volume responders (n = 22) | 70 | ± 16 | 76 | ± 19# |
| Invasive cardiac index | volume responders (n = 16) | 3.2 | ± 0.9 | 3.9 | ± 1.0# |
| (mean ± SD, L/min/m2) | non-volume responders (n = 22) | 3.8 | ± 9.0 | 3.8 | ± 1.1 |
| Non-invasive cardiac index | volume responders (n = 16) | 3.2 | ± 1.2 | 3.6 | ± 1.1# |
| (mean ± SD, L/min/m2) | non-volume responders (n = 22) | 3.4 | ± 1.0 | 3.6 | ± 1.0 |
| Global end-diastolic volume | volume responders (n = 16) | 726 | ± 112 | 767 | ± 111# |
| (mean ± SD, mL/m2) | non-volume responders (n = 22) | 799 | ± 137 | 814 | ± 156 |
#P <0.05 vs. 'before volume expansion'.