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以家兔复制心肌缺血—再灌注模型，测得心肌缺血３０分钟与再灌注３０分钟时，血液中游离脂肪酸和乳酸的浓度明显高于心肌正常供氧时。（Ｐ＜０．０１），且乳酸的浓度在心肌再灌注后明显高于心肌缺血时（Ｐ＜０．０１）。游离脂肪酸和乳酸浓度的升高均与再灌注性心律失常的发生率无关
Myocardial ischemia-reperfusion model was used to measure the concentration of free fatty acids and lactic acid in the blood at 30 minutes after myocardial ischemia and 30 minutes after reperfusion. (P <0.01), and the concentration of lactate in myocardial reperfusion was significantly higher than that in myocardial ischemia (P <0.01). Elevated free fatty acids and lactate concentrations were independent of the incidence of reperfusion arrhythmias