All | Not exposed to hyperoxia | Hyperoxia exposure | P-value | |
---|---|---|---|---|
n = 119 | n = 70 | n = 49 | ||
Factors after cardiac arrest | ||||
Lowest median arterial blood pressure (MAP) | 68 (53–80) | 71 (55–84) | 60 (48–78) | 0,133 |
pH | 7,12 (6,98- 7,26) | 7,12 (6,98- 7,26) | 7,11 (6,98- 7,26) | 0,897 |
Lactate (mmol/l) | 8,70 (4,60- 11,80) | 7,30 (4,00- 12,00) | 9,25 (4,78- 11,78) | 0,282 |
Glucose (mmol/l) | 11,65 (8,23- 15,80) | 10,45 (7,05- 14,95) | 13,80 (9,50- 17,00) | 0,017 |
Respiratory management and arterial blood gases | ||||
Mechanical ventilation | 96% (114) | 93% (65) | 100% (49) | 0,056 |
Duration of mechanical ventilation | ||||
Less than 24 hours | 31% (37) | 31% (20) | 35% (17) | 0,658 |
Longer than 24 hours | 65% (77) | 69% (45) | 65% (32) | |
ICU management | ||||
Delay to ICU admission (hrs) | 3 (0,5-5) | 1 (0,5- 5) | 4 (3–6) | 0,003 |
Therapeutic hypothermia | 30% (36) | 20% (14) | 45% (22) | 0,004 |
Coronary intervention | 40% (48) | 33% (23) | 31% (25) | 0,854 |
Severity of illness scores | ||||
Apache III score (ICU admission) | 101 (70–118) | 103 (70–116) | 98 (73,5- 124) | 0,638 |
Outcome | ||||
ICU discharge | 49% (58) | 46% (32) | 53% (26) | 0,430 |
ICU length of stay | 3,6 (1,4- 6,1) | 3,7 (1,9- 6,6) | 3,6 (0,8- 6,0) | 0,474 |
Thirty day survival | 39% (47) | 36% (25) | 45% (22) | 0,313 |
Hospital discharge | 37% (44) | 34% (24) | 41% (20) | 0,468 |