Table 3

Characteristics of resuscitation and immediately following return of spontaneous circulation (ROSC)

3:1 (n=9)15:2 (n=9)Difference
Number of cardiac compressions/min58 (7)75 (5)<0.001
Animals not achieving ROSC*22NS
Time to ROSC (s)150 (140–180)195 (145–358)NS
Heart rate at ROSC (bpm)181 (48)190 (32)NS
Mean arterial blood pressure at ROSC (mm Hg)67 (40)62 (30)NS
pH6.6 (0.1)6.6 (0.1)NS
Base excess (mmol/l)−25.8 (2.0)−26.7 (1.8)NS
pCO2 (kPa)11.2 (4.3)9.6 (2.7)NS
SpO2 (%)88 (6)87 (8)NS
Glucose (mmol/l)17.8 (3.7)18.6 (4.9)NS
Lactate (mmol/l)12.8 (5.6)11.7 (5.0)NS
  • Values are presented as mean (SD) or median (IQR). p Values >0.05 are considered not significant (NS).

  • * Number.