Table 4 The difference in ROTEM® results performed at 33 °C and 37 °C in 40 cardiac arrest patients
Hypothermia (body core temp median 33.1 °C), n = 39 ROTEM® 33 °C versus 37 °C | Normothermia (body core temp median 37.5 °C), n = 36 ROTEM® 33 °C versus 37 °C | |||
|---|---|---|---|---|
Mean difference (95 % CI) | P value | Mean difference (95 % CI) | P value | |
EXTEM® | ||||
Clotting time, sec | 8 (4; 12) | <0.001 | 9 (5; 13) | <0.001 |
Maximum velocity, mm/sec | –4 (–4; -3) | <0.001 | –4 (–5; –3) | <0.001 |
Time to maximum velocity, sec | 2 (–12; 15) | 0.82 | 17 (2; 33) | 0.03 |
Maximum clot firmness, mm | 0 (–1; 0) | 0.15 | 0 (–1; 0) | 0.27 |
INTEM® | ||||
Clotting time, sec | 27 (20; 34) | <0.001 | 28 (20;36) | <0.001 |
Maximum velocity, mm/sec | –5 (–6; –4) | <0.001 | –4 (–5; –4) | <0.001 |
Time to maximum velocity, sec | 32 (19; 45) | <0.001 | 33 (19; 47) | <0.001 |
Maximum clot firmness, mm | 0 (–1; 0) | 0.31 | 0 (–1; 1) | 0.98 |
FIBTEM® | ||||
Maximum clot firmness, mm | 1 (–1; 3) | 0.41 | 0 (–2; 2) | 0.70 |