Table 1 Overall characteristics of the included patients (n = 15). A asystole, CA cardiac arrest, CPC Cerebral Performance Category, CPR cardiopulmonary resuscitation, ECLS extracorporeal life support, F female, M male, NA not available (including haemolysis), PEA pulseless electrical activity, ROSC return of spontaneous cardiac circulation, VF ventricular fibrillation
Patient | #1 | #2a | #3 | #4a | #5b | #6 | #7 | #8 | #9 | #10 | #11b | #12 | #13 | #14 | #15 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Age | 87 | 32 | 44 | 52 | 57 | 45 | 53 | 41 | 76 | 74 | 49 | 64 | 25 | 35 | 61 |
Gender | F | F | M | M | F | M | M | F | M | M | M | M | M | F | F |
Asphyxia CAa | No | No | No | Yes | No | No | No | NA | No | No | No | No | Yes | No | No |
No-flow duration (min) | 0 | 10 | 0 | 180 | 0 | NA | NA | NA | NA | 1 | 5 | 0 | 18 | 0 | 0 |
Initial core temperature (°c) | 25.0 | 24.0 | 25.0 | 24.7 | 24.1 | 11.0 | 8.0 | 25.6 | 17.0 | 26.0 | 25.0 | 19.9 | 24.0 | 24.3 | 28.3 |
First recorded rhythm | VF | A | VF | NA | VF | A | A | NA | A | A | VF | A | A | PEA | VF |
CPR duration (low flow min) | 10 | 78 | 215 | 38 | 43 | NA | NA | 165 | 99 | 54 | 145 | 117 | 87 | 45 | 55 |
Blood gas analyser | |||||||||||||||
 Central venous potassium | 3.5 | NA | 4.5 | NA | NA | 10.0 | 14.6 | 5.9 | 9.2 | 2.2 | 4.9 | 3.5 | 4.2 | 2.6 | 2.7 |
 Peripheral venous potassium | 4.25 | NA | 4.9 | NA | 3.0 | 10.4 | 13.0 | 6.4 | 8.4 | 3.9 | NA | 3.6 | 5.1 | 2.6 | 3.7 |
 Arterial potassium | 3.70 | 14.80 | 4.5 | 11.2 | 4.6 | 11.8 | 15.0 | 5.5 | 9.8 | 4.9 | 3.7 | 4.2 | NA | 2.5 | 2.9 |
 pH | 7.3 | 6.4 | 6.9 | NA | 7.1 | 7.0 | 6.9 | NA | 6.9 | 7.0 | 7.1 | 7.2 | NA | 7.2 | 7.3 |
 Arterial lactates | 11.2 | 22.5 | 3.5 | 16.1 | 4.9 | 12.9 | 8.6 | 18.2 | 9.6 | 5.0 | 8.6 | 6.9 | NA | 3.7 | 2.2 |
Central laboratory | |||||||||||||||
 Central venous potassium | 3.4 | NA | NA | NA | 3.8 | 11.3 | NA | 6.4 | 9.0 | 2.1 | 4.7 | 3.3 | 4.2 | 3.1 | 3.1 |
 Peripheral venous potassium | 4.6 | NA | NA | NA | 4.2 | NA | 17.2 | 6.4 | 9.1 | 2.3 | 3.4 | 3.5 | 5.5 | 3.0 | 3.7 |
 Arterial potassium | 4.0 | NA | NA | NA | 4.9 | 13.3 | 19.0 | 6.4 | 10.3 | 4.3 | 4.8 | 4.2 | NA | 3.0 | 3.3 |
Outcome | |||||||||||||||
 ECLS | No | No | Yes | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
 ROSC | Yes | No | Yes | Yes | No | Yes | No | No | Yes | Yes | No | Yes | Yes | Yes | No |
 Survival at hospital discharge | No | No | No | No | No | No | No | No | No | No | Yes | Yes | Yes | Yes | Yes |
 CPC at 3 months for survivors | NA | NA | NA | NA | NA | NA | NA | NA | NA | NA | 1 | 1 | 1 | 1 | 1 |
 HOPE Score | 96% | 17% | 28% | 1% | 96% | NA | NA | NA | 13% | NA | 54% | 74% | 22% | 98% | 85% |