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硝普钠降低缺血心肌需氧指标的作用虽已被证明,但降低心肌需要量的作用是否会被它降低冠状动脉灌注压和总冠状动脉血流量的潜在不利作用所抵销,仍是一个重要而未解决的问题。各学者用结扎犬冠状动脉的心肌缺血模型,作硝普钠对心肌缺血作用的实验研究,结果不完全一致。为阐明这个问
Although the role of sodium nitroprusside in reducing myocardial oxygen demand in ischemic myocardium has been demonstrated, its role in reducing myocardial requirements is not offset by its potential adverse effects of lowering coronary perfusion pressure and total coronary blood flow, and remains the same Important and unresolved issues. Each scholar ligation of canine coronary artery myocardial ischemia model, sodium nitroprusside on myocardial ischemia experimental study, the results are not exactly the same. To clarify this question