Variable | Normothermic E-CPR group | Hypothermic E-CPR group | Post-arrest, difference between groups | |||
---|---|---|---|---|---|---|
Baseline | Post-arrest | Baseline | Post-arrest | MD (95% CI) | p value | |
a. Haemodynamic measurements | ||||||
 HR (beats/min) | 88 ± 23 | 152 ± 31* | 101 ± 26 | 148 ± 33* | −4 (−35 27) | p = 0.79 |
 MAP (mmHg) | 84.2 ± 12.0 | 73.6 ± 16.1 | 93.1 ± 14.4 | 65.6 ± 14.1* | −8.1 (−22.6 6.5) | p = 0.26 |
 CVP (mmHg) | 5.7 ± 2.8 | 6.1 ± 3.1 | 6.9 ± 1.6 | 8.7 ± 2.9 | 2.6 (−0.3 5.5) | p = 0.078 |
 LVPmax (mmHg) | 99.6 ± 7.0 | 91.0 ± 13.5 | 107.7 ± 13.2 | 86.4 ± 14.8* | −4.6 (−18.4 9.2) | p = 0.49 |
 EDP (mmHg) | 14.0 ± 4.7 | 14.9 ± 2.4 | 12.9 ± 3.7 | 11.7 ± 3.7 | −3.2 (−6.3 −0.1) | p = 0.041 |
 dP/dtmax (mmHg/s) | 1427 ± 207 | 1963 ± 557 | 1786 ± 414 | 2398 ± 1466 | 435 (−663 1533) | p = 0.41 |
 dP/dtmin (mmHg/s) | −2112 ± 270 | −1683 ± 404 | −2225 ± 315 | −1792 ± 832 | −109 (−755 537) | p = 0.73 |
 tau (ms) | 32.4 ± 3.0 | 33.3 ± 6.8 | 32.3 ± 3.2 | 28.5 ± 8.3 | 0.68 (−5.7 7.1) | p = 0.19 |
 EDP/EDV (mmHg/ml) | 0.14 ± 0.04 | 0.16 ± 0.03 | 0.14 ± 0.04 | 0.14 ± 0.04 | −0.02 (−0.06 0.01) | p = 0.15 |
 Ea (mmHg/ml) | 1.08 ± 0.25 | 1.65 ± 0.44* | 1.16 ± 0.35 | 1.68 ± 0.72* | 0.03 (−0.56 0.62) | p = 0.91 |
b. Blood gas analyses | ||||||
 Hb (g/dl) | 8.3 ± 0.9 | 8.1 ± 0.7* | 8.7 ± 0.8 | 7.8 ± 1.1* | −0.3 (−1.3 0.6) | p = 0.45 |
 PaO2 (kPa) | 22.5 ± 1.9 | 20.6 ± 3.7 | 22.6 ± 1.4 | 21.5 ± 2.4 | 0.90 (−2.1 −3.9) | p = 0.53 |
 PaCO2 (kPa) | 5.4 ± 0.7 | 5.4 ± 0.3 | 4.9 ± 0.4 | 4.9 ± 0.4 | −0.45 (−0.82 −0.08) | p = 0.019 |
 pH | 7.49 ± 0.04 | 7.47 ± 0.03 | 7.51 ± 0.05 | 7.48 ± 0.05 | −0.01 (−0.03 0.06) | p = 0.63 |
 BaseExcess (mmol/l) | 6.77 ± 1.15 | 4.97 ± 1.82* | 6.23 ± 2.38 | 3.56 ± 2.12* | −1.41 (−3.39 0.56) | p = 0.15 |
 Lactate (mmol/l) | 0.85 ± 0.19 | 1.28 ± 0.54* | 1.34 ± 0.85 | 2.8 ± 1.57* | 1.52 (0.36 2.68) | p = 0.013 |
 Ca2+ (mmol/l) | 1.30 ± 0.06 | 1.27 ± 0.06 | 1.25 ± 0.06 | 1.27 ± 0.06 | 0.003 (−0.06 0.06) | p = 0.91 |
 SvO2 (%) | 65.7 ± 14.8 | 42.4 ± 8.7* | 68.4 ± 7.4 | 42.3 ± 13.4* | −0.2 (−11.2 −10.9) | p = 0.98 |