The protective effects of a phosphodiesterase 5 inhibitor, sildenafil, on postresuscitation cardiac dysfunction of cardiac arrest: metabolic evidence from microdialysis

Table 2 Cardiopulmonary resuscitation outcomes ^a

	SA group	Sildenafil group	P -values
	( n = 8)	( n = 8)	P -values
Number of defibrillatory shocks	4.31 ± 1.62	2.91 ± 0.83	0.81
Cumulative defibrillation energy (J)	145.01 ± 33.41	95.02 ± 33.41	<0.001
Duration of CPR before ROSC (min)	6.12 ± 2.21	4.71 ± 1.32	0.25
6-hour survival	5	7	0.83
24-hour survival	3	7	0.04

^aValues are mean ± SD or number (n). CPR, Cardiopulmonary resuscitation; ROSC, Restoration of spontaneous circulation; SA, Saline.

ISSN: 1364-8535