Effects of an angiotensin II antagonist on organ perfusion during the post-resuscitation phase in pigs

Table 4 Arterial blood gases (mean ± SEM) pre-arrest and during the post-resuscitation phase

	Group	Pre-arrest	Post-resuscitation phase				Friedmann
			5 min	30 min	90 min	240 min
pH	TELM	7.47 ± 0.01	7.33 ± 0.02*	7.34 ± 0.02	7.45 ± 0.01	7.50 ± 0.01*	P < 0.0001
	Control	7.47 ± 0.01	7.34 ± 0.02*	7.39 ± 0.02	7.44 ± 0.01	7.49 ± 0.01	P < 0.001
PaO₂	TELM	433 ± 10	424 ± 20	423 ± 24	444 ± 16	425 ± 14	ns
(mmHg)	Control	434 ± 8	426 ± 15	433 ± 18	442 ± 18	439 ± 13	ns
PaCO₂	TELM	37.8 ± 0.3	39.4 ± 2.4	42.7 ± 1.6	37.9 ± 0.4	38.8 ± 0.4	P < 0.05
(mmHg)	Control	39.2 ± 0.9	42.6 ± 2.3	41.8 ± 1.1	39.1 ± 1.2	38.0 ± 0.6	P < 0.05
BE	TELM	4.0 ± 0.5	-4.6 ± 1.0*	-2.0 ± 1.1	2.4 ± 0.8	6.2 ± 0.4*	P < 0.00001
	Control	4.4 ± 0.3	-2.5 ± 0.4*	-0.2 ± 0.8	2.6 ± 1.3	5.4 ± 0.9	P < 0.001

ns = not significant. PaO₂ = arterial partial pressure of oxygen; PaCO₂ = arterial partial pressure of carbon dioxide. *P < 0.05 vs pre-arrest values by Wilcoxon matched pairs test.

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