Table 2.
Clinical characteristics on admission (n = 376).
| Variable | Number (%) |
|---|---|
| Gender (male) | 301 (80.1%) |
| Hypertension | 166 (44.1%) |
| Past MI | 78 (20.1%) |
| Diabetes mellitus | 64 (17.0%) |
| Renal failure | 22 (5.9%) |
| History of stroke | 13 (3.5%) |
| Anemia | 8 (2.3%) |
| First rhythm of SCA: | |
| VF/VT | 277 (73.8%) |
| Asystole | 74 (19.6%) |
| PEA | 25 (6.5%) |
| Time to CPR [min] | 7.2 |
| Time to ROSC [min] | 30.2 |
| Diagnosis on admission: | |
| STEMI | 167 (47.2) |
| NSTEMI | 96 (25.5) |
| CAD | 12 (3.3) |
| DCM | 90 (24.0) |
| HCM | 11 (3.0) |
| GSC scale: | |
| 3 points | 179 (47.4) |
| 4–6 points | 156 (41.6) |
| 7–8 points | 41 (11.0) |
| Temperature on admission [°C] | 35.9 |
| Cardiogenic shock | 79 (21.0%) |
| Primary PCI | 303 (80.6%) |
| Brain CT scan | 168 (44.7%) |
| Precooling with cold saline | 287 (76.2%) |
| Volume of cold saline for precooling [mL]: | |
| < 1000 | 13 (4.6%) |
| 1000 | 88 (30.5%) |
| 1500 | 90 (31.4%) |
| 2000 | 71 (24.7%) |
| > 2500 | 25 (8.8%) |
| Time form ROSC do precooling [min] | 124.3 |
| Cooling technique: | |
| Intravascular | 88 (23.4%) |
| Surface cooling | 288 (76.6%) |
CAD — coronary artery disease; CPR — cardiopulmonary resuscitation; CT — computed tomography; DCM — dilated cardiomyopathy; GCS — Glasgow Coma Scale; HCM — hypertrophic cardiomyopathy; MI — myocardial infarction; NSTEMI — non-ST-segment elevation myocardial infarction; PCI — percutaneous coronary intervention; PEA — pulseless electrical activity; ROSC — return of spontaneous circulation; SCA — sudden cardiac arrest; STEMI — ST-segment elevation myocardial infarction; VF — ventricular fibrillation; VT — ventricular tachycardia