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采用SD大鼠心肌缺血再灌注模型，观察血液稀释对大白鼠心肌缺血再灌注心律失常的影响。结果表明：血液稀释预防组与再灌注对照组比，心律失常发生率明显降低（P＜0．01），与假手术对照组比，差别无显著性（P＞0．05）。说明血液稀释能明显降低大鼠心肌缺血再灌注心律失常的发生率，对心肌缺血再灌注损伤有保护作用。
SD rat myocardial ischemia-reperfusion model was used to observe the effect of hemodilution on arrhythmia induced by myocardial ischemia-reperfusion in rats. The results showed that the incidence of arrhythmia was significantly lower in the hemodilution prophylaxis group than in the reperfusion control group (P <0.01), but not significantly different from the sham operation group (P> 0.05). Hemodilution can significantly reduce the incidence of myocardial ischemia-reperfusion arrhythmia, myocardial ischemia-reperfusion injury has a protective effect.