Through a great deal of docum, the thesis expatiates on the development of occuring mechanism of MIRI and the Results of modern medicine and traditional Chinese medicine about prevention and treatment of MIRI.The clinical part observes the different influence between compound injection GIK and the former combined with injection Dengzhanxixin on 106 AMI patients who are after the thrombus being dissolved or PTCA.The oberving objects include occuring rate of arrhythmia, complications and heart function.Results: the latter makes the occuring rate of arrhythmia decrease , especially maligant arrhythmia ( 0.005 < P< 0.01 ) ; the heart contractile function of the latter notely increases (P< 0.005 ) ,but the heart dilatational function has no evident distinction; The cases of heart failure and postinfarction angina of the latter are less than the former.All these studies prove that injection Dengzhanxixin can prevent MIRI and has myocardial protective effects.
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