作者对７８例无溶栓治疗条件的急性心肌梗塞患者进行了静脉内小剂量肝素抗凝疗法的临床对照研究。将病人随机分成两组；其中肝素组４０例，对照组３８例。两组的基础治疗相同，均静滴硝酸甘油，含镁极化液及口服阿斯匹林；而肝素组病人则每日加用１００ｍｇ肝素静滴，共７－１０日。结果显示：肝素组的胸痛缓解时间，严重室性心律失常发生率及病死率均明显低于对照组，且无明显的出血并发症。 The authors conducted a controlled clinical trial of intravenous low-dose heparin anticoagulation in 78 patients with acute myocardial infarction without thrombolytic therapy. The patients were randomly divided into two groups; the heparin group of 40 cases, the control group of 38 cases. The two groups of the same basic treatment, both intravenous nitroglycerin, magnesium-containing polarization solution and oral aspirin; and heparin group patients daily plus 100mg heparin intravenous infusion, a total of 7-10 days. The results showed that: the chest pain relief time, severe ventricular arrhythmia incidence and mortality in the heparin group were significantly lower than the control group, and no significant bleeding complications.