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Chinese Journal of Anesthesiology ; (12): 152-153, 2012.
Article in Chinese | WPRIM | ID: wpr-425487

ABSTRACT

ObjectiveTo investgate the effects of pyruvate sodium on energy metabolism of erythrocytes in dog blood during circulation in cardiopulmonary bypass machine.MethodsTen healthy adult mongrel dogs of both sexes weighing 12-18 kg were anesthetized with intraperitoneal 2.5% pentobarbital 25 mg/kg.Femoral artery was cannulated and 500 ml of blood was collected from femoral artery in each dog.Blood samples from the 10 dogs were divided into 2 equal parts (250 ml each).Each part was mixed with 250 ml lactated Ringer's solution (group C) or 250 ml pyruvate sodium (group P).Flow rate of 4 L/min was employed and blood temperature was kept at 30-32 ℃ during circulation in cardiopulmonary bypass machine.The blood sanples were collected before (baseline value,T1 ) and at 30,60,90,120 min of circulation (T2-5) for determination of ATP,ADP and AMP concentrations in RBC.ResultsThe ATP and AMP concentrations were significantly higher at T2-5,while ADP concentration was higher in group P than in group C.ConclusionPyruvate sodium can improve energy metabolism of erythrocytes in dog blood druing circulation in cardiopulmary bypass machine.

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