Table 1 Descriptive characteristics of the study cohort
Age, years | 62 (51 to 69) | |
Female | 38 (44.7) | |
Cause of cardiac arrest | Underlying cardiac disorder | 48 (56.5) |
Respiratory failure | 28 (32.9) | |
Metabolic factors | 7 (8.2) | |
Hypovolemia | 2 (2.4) | |
Comorbidity | Previous healthy | 16 (18.8) |
Obesity | 52 (61.2) | |
Diabetes | 30 (35.3) | |
Hypertension | 48 (56.4) | |
Coronary artery disease | 29 (34.1) | |
Chronic heart failure | 27 (31.7) | |
COPD/emphysema | 24 (28.2) | |
Initial cardiac rhythm | Ventricular fibrilation | 19 (22.4) |
Pulseles electrical activity | 21 (24.7) | |
Asystole | 45 (52.9) | |
Resuscitation factors | "no flow" time | 3 (2 to 6) |
"low flow" time | 24 (18 to 34) | |
Witnessed arrest, n (%) | 47 (55.2) | |
Bystander CPR, n (%) | 25 (29,4) | |
Ongoing CPR | 21 (24.7) | |
Glasgow Coma Scale | 6 (4 to 8) | |
Defibrillation | 40 (47.1) | |
Intravenous adrenaline | 67 (78.8) | |
Adrenaline dose (mg) | 4 (2 to 5) | |
In-hospital diagnosis and treatment | Head CT | 82 (96.4) |
Thorax CT | 37 (43.5) | |
Mild therapeutic hypothermia | 18 (21.2) | |
Cardiogenic shock | 16 (18.8) | |
Acute myocardial infarction | 48 (56.5) | |
Coronary angiography | 35 (72.9% of the AMI) | |
Percutaneous coronary intervention | 25 (52.1% of the AMI) | |
Intra-aortic balloon pump | 6 (7.1) | |
Clinical outcome | 24-h mortality | 30 (35.2) |
In-hospital mortality | 56 (65.8) | |
Laboratory values | pH | 7.14 (7.08 to 7.20) |
Basal lactate (mmol/l) | 9.6 (7.0 to 12.7) | |
6-h lactate (mmol/l) | 6.7 (4.8 to 8.0) | |
6-h lactate clearance (%) | 45 (32 to 58) | |
Bicarbonate (mmol/l) | 12.8 (10.3 to 17.8) | |
Glucose (mg/dl) | 210 (175 to 240) | |
Blood urea nitrogen (mg/dl) | 38 (28 to 52) | |
Creatinine (mg/dl) | 1.5 (1.1 to 1.8) | |
Troponin I (ng/dl) | 1.0 (0.5 to 1.4) |