Table 2.
Changes in haemodynamic variables induced by volume expansion
| Before volume expansion | After volume expansion | |
|---|---|---|
| Heart rate (mean ± SD, beats/min) | ||
| Non-responders | 92 ± 21 | 91 ± 21* |
| Responders | 99 ± 22# | 97 ± 20*# |
| Systolic arterial pressure (mean ± SD, mmHg) | ||
| Non-responders | 110 ± 22 | 117 ± 25* |
| Responders | 109 ± 22 | 128 ± 25*# |
| Diastolic arterial pressure (mean ± SD, mmHg) | ||
| Non-responders | 55 ± 12 | 57 ± 13* |
| Responders | 53 ± 11 | 59 ± 13* |
| Mean arterial pressure (mean ± SD, mmHg) | ||
| Non-responders | 71 ± 16 | 75 ± 18* |
| Responders | 69 ± 14 | 79 ± 17* |
| Arterial pulse pressure (mean ± SD, mmHg) | ||
| Non-responders | 55 ± 17 | 60 ± 19* |
| Responders | 56 ± 18 | 69 ± 21*# |
| Shock index (mean ± SD, beats/min/mmHg) | ||
| Non-responders | 0.87 ± 0.28 | 0.81 ± 0.25* |
| Responders | 0.95 ± 0.36# | 0.79 ± 0.22* |
| Cardiac index (mean ± SD, L/min/m2) | ||
| Non-responders | 3.4 ± 1.2 | 3.6 ± 1.3* |
| Responders | 2.8 ± 1.0# | 3.7 ± 1.2* |
| Arterial elastance (mean ± SD, mmHg/mL) | ||
| Non-responders | 1.71 ± 0.74 | 1.64 ± 0.73* |
| Responders | 2.27 ± 1.08# | 1.61 ± 0.61* |
N = 275 in responders and 216 in non-responders
* p < 0.05 vs. Before volume expansion (comparisons in rows); # p < 0.05 vs. Non-responders (comparisons in columns)