Table 2.
Baseline characteristics of patients randomized to each treatment group.
| Arctic Sun | Standard | |
|---|---|---|
| Count of subjects | 34 | 30 |
| Age (mean ± SD) | 57±14 years | 64±14 |
| Male | 21 (62%) | 22 (73%) |
| Caucasian | 23 (68%) | 24 (80%) |
| Weight (mean ± SD) | 84±18 Kg | 91±18 Kg |
|
Temperature at initiation of cooling (mean ± SD) |
36±0.9 C | 36±0.8 C |
|
Temperature at start of cooling |
||
| Medical History | ||
| Diabetes | 11 (32%) | 13 (43%) |
| Coronary artery disease |
13 (38%) | 18(60%) |
| Cerebral vascular disease |
4 (12%) | 6 (20%) |
| Location of arrest | ||
| Home | 19 (55%) | 12 (40%) |
| Public place | 10 (29%) | 16 (53%) |
| Work | 5 (15%) | 2 (7%) |
| Witnessed arrest | 34 (100%) | 30 (100%) |
| Initial rhythm | ||
| VF/VT | 23 (68%) | 19 (63%) |
| Asystole | 7 (21%) | 5 (17%) |
| PEA | 4 (12%) | 6 (20%) |
|
Mean ± SD time from collapse to ROSC |
28±15 min | 26±14 min |
|
Mean ± SD time from collapse to start of cooling |
251±78 min | 245±89 min |
| Fibrinolysis | 3 (9%) | 2 (7%) |
| PCI | 9 (26%) | 12 (40%) |
Abbreviations: PCI, percutaneous coronary intervention; PEA, pulseless electrical activity; ROSC, return of spontaneous circulation; SD, standard deviation; VF/VT, ventricular fibrillation or ventricular tachycardia