Table 1.
General characteristics for the study population
| Characteristics | All patients (n = 30) |
|---|---|
| Age (years), mean (SD) | 68.5 (9.23) |
| Sex (male), n (%) | 23 (76.7%) |
| Weight (kg), mean (SD) | 87.3 (19.3) |
| SAPS II, mean (SD) | 41.8 (11.8) |
| NE infusion rate (mcg kg−1 min−1), median [IQR] | 0.09 [0.07; 0.12] |
| Cumulative fluid infusion before NE infusion (ml kg−1), mean (SD) | 9.30 (3.51) |
| Comorbidities | |
| High blood pressure, n (%) | 23 (76.7%) |
| Diabetes, n (%) | 9 (30.0%) |
| Dyslipidemia, n (%) | 13 (43.3%) |
| Chronic kidney disease, n (%) | 2 (6.67%) |
| COPD, n (%) | 3 (10.0%) |
| Smoking history, n (%) | 6 (20.0%) |
| Respiratory status | |
| Tidal volume (ml/kg), median [IQR] | 8 [7; 8] |
| PEEP (cmH20), median [IQR] | 6 [5; 8] |
| Type of surgery, n (%) | |
| - CABG | 5 (16.7%) |
| - Valve surgery | 16 (53.3%) |
| - Mixed | 4 (13.3%) |
| - Other | 5 (16.7%) |
CABG coronary artery bypass graft, COPD chronic obstructive pulmonary disease, IQR 25%-75% interquartile range, NE norepinephrine, PEEP positive end-expiratory pressure, SAPS II Simplified Acute Physiology Score (SAPS) II, SD standard deviation