Table 1 Clinical characteristics of patients
| Â | Weaning success n= 48 | Weaning failure n= 20 | P |
|---|---|---|---|
Age (years) | 66 (59 to 73) | 68 (62 to 72) | 0.4 |
Gender (% male) | 30 (62.5) | 9 (45) | 0.28 |
SAPS II score | 54 (48 to 62) | 51 (45 to 55) | 0.23 |
Duration of mechanical ventilation (days) | 5.0 (3.0 to 8.5) | 9.0 (4.0 to 12.0) | 0.06 |
ICU mortality (%) | 4 (8.3) | 7 (35.0) | 0.05 |
Reasons for intubation | Â | Â | Â |
Cardiac arrest | 4 (8.3) | 1 (5.0) | Â |
ARDS (%) | 7 (14.5) | 3 (15.0) | Â |
Septic shock (%) | 14 (29.1) | 6 (30.0) | Â |
Pneumonia (%) | 10 (20.8) | 2 (10.0) | Â |
Cardiogenic pulmonary edema (%) | 4 (8.3) | 2 (10.0) | Â |
Coma | 6 (12.5) | 2 (10.0) | Â |
Surgery | 3 (6.2) | 4 (20.0) | Â |
Patients in atrial fibrillation (%) | 9 (18.7) | 6 (30.0) | 0.48 |
COPD history (%) | 9 (18.7) | 6 (30.0) | 0.2 |
Diabete mellitus | 4 (8.3) | 6 (30.0) | 0.05 |
Arterial hypertension | 19 (39.6) | 14 (70.0) | 0.04 |
Plasma creatinine (micromol/l) | 87 (57 to 203) | 102 (53 to 157) | 0.56 |
Hemoglobin (g/dl) | 10.9 (8.7 to 11.4) | 9.8 (9.5 to 10.5) | 0.65 |
Relaxation impairment, n (%) | 17 (35.4) | 16 (80) | 0.0004 |
Systolic dysfunction, n (%) | 9 (18.7) | 4 (20.0) | > 0.99 |
LVEF (%) | 55 (50 to 60) | 60 (50 to 65) | 0.2 |