The Protective Effect of rhBNP on Postresuscitation Myocardial Dysfunction in a Rat Cardiac Arrest Model

Table 1

Baseline characteristics.

Group	CPR + placebo	CPR + rhBNP	Sham
Body weight (g)	484.7 ± 33.3	486.3 ± 19.6	494.3 ± 12.1
Heart rate (bpm)	413.6 + 21.8	408.8 + 23.0	404.2 + 19.8
MAP (mmHg)	127.3 ± 8.8	130.5 ± 7.6	130.9 ± 7.3
ETCO2 (mmHg)	35.5 ± 3.8	34.0 ± 3.8	35.5 ± 2.9
Temperature (°C)	36.8 ± 0.2	37.0 ± 0.3	36.7 ± 0.3
CO (ml/min)	124.4 ± 10.8	125.3 ± 13.3	123.8 ± 6.2
EF (%)	71.9 ± 1.4	72.2 ± 1.2	72.3 ± 1.1
MPI	0.5 ± 0.05	0.5 ± 0.0	0.5 ± 0.0
Lactate (mmol/L)	0.8 ± 0.1	0.7 ± 0.2	0.7 ± 0.1
NT-proBNP (ng/L)	42.9 ± 17.2	52.8 ± 17.4	52.8 ± 16.3
IL-6 (pg/mL)	7.8 ± 1.1	7.5 ± 1.0	7.0 ± 2.7

MAP: mean aortic pressure; CO: cardiac output; EF: ejection fraction; MPI: myocardial performance index. Values are presented as the mean ± SD.