Table 1 Patient characteristics after propensity score matching
Saline (n = 516) | Balanced crystalloids (n = 516) | p-value | |
|---|---|---|---|
Past medical history | |||
Age | 65.7 ± 15.1 | 65.8 ± 14.9 | 0.929 |
Male sex | 73.4% | 72.7% | 0.833 |
Smoker | 0.213 | ||
Active smoker | 22.5% | 22.1% | |
Former smoker | 21.5% | 17.4% | |
Never smoked | 56.0% | 60.5% | |
Hypertension | 72.5% | 72.1% | 0.945 |
Dyslipidemia | 56.2% | 54.3% | 0.573 |
Diabetes mellitus | 33.7% | 34.9% | 0.743 |
Previous myocardial infarction | 25.2% | 23.1% | 0.467 |
Previous PCI | 32.0% | 33.5% | 0.642 |
Previous CABG | 8.7% | 13.4% | 0.022 |
Previous stroke | 11.0% | 8.7% | 0.251 |
Peripheral arterial disease | 13.0% | 13.2% | 1.000 |
Chronic dialysis | 2.7% | 1.9% | 0.536 |
Status on admission | |||
Type of CS | 0.997 | ||
STEMI | 29.3% | 29.3% | |
NSTEMI | 23.6% | 23.8% | |
Non-ACS | 47.1% | 46.9% | |
Primary PCI | 53.7% | 56.6% | 0.381 |
Contrast agent (ml) if angiography was performed | 174.3 ± 155.6 | 177.2 ± 132.6 | 0.782 |
Out of hospital cardiac arrest | 25.4% | 24.8% | 0.886 |
Duration of CPR (min) | 13.0 (0.0–26.0) | 12.0 (0.0–26.0) | 0.813 |
Mechanical ventilation | 54.7% | 55.0% | 0.950 |
Hypothermia (< 35.0 °C) | 23.1% | 21.9% | 0.709 |
VA-ECMO | 22.5% | 23.1% | 0.882 |
Percutaneous transvalvular microaxial flow pump (Impella®) | 6.4% | 6.6% | 1.000 |
SAVE score | − 8.9 ± 5.3 | − 8.7 ± 5.3 | 0.731 |
IABP | 8.3% | 0.2% | < 0.001 |
Catecholamines | |||
Norepinephrine (mg/h) | 0.8 ± 1.8 | 0.9 ± 1.9 | 0.395 |
Dobutamine (mg/h) | 2.7 ± 8.5 | 2.2 ± 5.7 | 0.251 |
Epinephrine (mg/h) | 0.7 ± 3.2 | 0.4 ± 1.3 | 0.016 |
Ejection fraction | 30.0 (20.0–43.0) | 30.0 (20.0–45.0) | 0.343 |
eGFR | 46.0 (30.0–60.0) | 46.0 (28.8–65.0) | 0.210 |
Serum lactate | 4.7 (2.0–9.0) | 4.4 (2.3–8.4) | 0.966 |
Serum chloride | 106.2 ± 7.1 | 105.6 ± 6.9 | 0.186 |
Serum sodium | 137.0 ± 8.8 | 138.1 ± 8.8 | 0.065 |
Serum potassium | 4.2 ± 0.8 | 4.3 ± 0.8 | 0.058 |
Serum osmolality | 287.7 ± 18.2 | 288.1 ± 18.0 | 0.706 |
SAPS II | 76.0 (67.0–83.0) | 75.0 (67.0–81.0) | 0.172 |
Post admission | |||
New onset renal replacement therapy | 30.2% | 22.7% | 0.007 |
CPR during ICU stay | 18.2% | 13.4% | 0.041 |
Duration of ICU stay (days) | 5.6 (1.9–12.5) | 5.1 (1.9–10.1) | 0.358 |
Duration of VA-ECMO (days) | 3.8 ± 2.5 | 4.6 ± 4.3 | 0.053 |