Cardiopulmonary responses during the cooling and the extracorporeal life support rewarming phases in a porcine model of accidental deep hypothermic cardiac arrest

Table 2 Hemodynamic parameters with or without ECLS at 30 °C during the cooling phase and at 35 °C at the end of the rewarming phase

		35 °C ECLS 3 L/min	35 °C ECLS 1.5 L/min	35 °C ECLS 1 L/min	35 °C no ECLS
LF group	HR, beats/min		121 ± 3	117 ± 4	124 ± 6
	AP, mmHg		64 ± 3*	69 ± 4	63 ± 8
	PAP, mmHg		31 ± 6	35 ± 4	33 ± 3
	PVR, dyn · s · cm⁻⁵		612 ± 65	1268 ± 648	922 ± 411
	EtCO2, mmHg		27 ± 7	31 ± 5	33 ± 3
	Right CO, L/min		2.3 ± .8	2.5 ± .6	3.3 ± .8
	Right CO echo, L/min		3.0 ± 1.1	2.6 ± .7	3.7 ± .8
NF group	HR, beats/min	119 ± 9		128 ± 11	138 ± 9
	AP, mmHg	91 ± 6*		80 ± 8	73 ± 7
	PAP, mmHg	26 ± 4		31 ± 3	29 ± 3
	PVR, dyn · s · cm⁻⁵	481 ± 74		538 ± 69	456 ± 61
	EtCO2, mmHg	27 ± 3		33 ± 3	30 ± 4
	Right CO, L/min	2.8 ± .8		3.2 ± .6	4.4 ± .5
	Right CO echo, L/min	3.5 ± 1.0		3.4 ± 1.0	4.6 ± 1.0

Groups: LF/low blood flow rate of 1.5 L/min; NF/normal blood flow rate of 3 L/min. ECLS extracorporeal life support, HR heart rate, AP arterial pressure, PAP pulmonary arterial pressure, PVR pulmonary vascular resistance, CO cardiac output
Values are presented as mean ± SEM. Results are presented for the ten pigs with right cardiac output measurement using the Doppler echocardiography method. * p < 0.05 compared with the other group

ISSN: 1757-7241