Table 1.
Demographic characteristics of patients at baseline (interventional group, n = 49)
| Characteristic | Value |
|---|---|
| Age (years) | 62 ± 16.4 |
| Male, n (%) | 34 (69) |
| Weight (Kg) | 80 ± 16 |
| Mechanical ventilation, n (%) | 33 (67.3) |
| Vte (ml) | 499 ± 82 |
| PEEP (cmH2O) | 6 ± 1.2 |
| PaO2 (mmHg) | 91 ± 25 |
| FiO2 (%) | 50 ± 20 |
| Type of patient, n (%) | |
| Medical | 26 (53) |
| Surgical | 23 (47) |
| Type of acute circulatory failure, n (%) | |
| Septic | 24 (49) |
| Hypovolemic | 27 (55) |
| Cardiogenic | 4 (8) |
| Oliguria | 27 (55) |
| Acute Physiology and Chronic Health Evaluation score | 22.4 ± 7.8 |
| Sequential Organ Failure Assessment score | 8.8 ± 5.3 |
| RIFLE score | |
| Risk, n (%) | 13 (26.5) |
| Injury, n (%) | 11 (22.4) |
| Failure, n (%) | 7 (14.3) |
| Loss, n (%) | 6 (12.2) |
| ESKD, n (%) | 1 (2) |
Results given as mean ± standard deviation, or frequency (percentage). FiO 2 inspiratory oxygen fraction, PaO 2 arterial oxygen pressure, PEEP positive end-expiratory pressure, RIFLE Risk (R), Injury (I), Failure (F), Loss (L), End-stage kidney disease (ESKD), Vte expiratory tidal volume