Combination of cardiac and thoracic pump theories in rodent cardiopulmonary resuscitation: a new method of three-side chest compression

Intensive Care Medicine Experimental

Table 1 The basal background including operative time and chest compression rate

	1-side	2-side	3-side	P value
	n = 5	n = 5	n = 5
Weight, g	472 ± 16	467 ± 16	476 ± 17	0.800
Preparation time, minutes	61.4 ± 21.7	60.6 ± 28.7	60.2 ± 31.3	0.998
Chest Compression rate, BPM	275 ± 9	278 ± 11	278 ± 11	0.833
Blood gas	n = 5	n = 5	n = 5
PH	7.39 ± 0.02	7.37 ± 0.04	7.38 ± 0.04	0.734
PO₂, mm Hg	103 ± 20	104 ± 38	103 ± 15	0.994
PCO₂, mm Hg	41.5 ± 6.7	45.8 ± 7.3	42.3 ± 4.8	0.538
Lactate, mmol/L	1.26 ± 0.47	1.19 ± 0.39	1.18 ± 0.29	0.948
Glucose, mg/dL	245 ± 97.2	227 ± 90	223 ± 49	0.904
HCT, %	49 ± 3	48 ± 4	48 ± 2	0.821

Blood samples were obtained from the arterial line before asphyxia (baseline). Values are expressed as mean ± SD
BPM beat per minute, PO₂ partial pressure of O₂, PCO₂ partial pressure of carbon dioxide, HCT hematocrit