目的对低分子肝素联合参麦注射液治疗不稳定性心绞痛64例的疗效进行观察。方法将64例患者随机分为治疗组与对照组,两组患者均应用硝酸脂类药物和(或)β受体阻滞剂、钙离子拮抗剂、阿司匹林、辛伐他汀治疗,治疗组加用参麦注射液静脉滴注及低分子肝素钙皮下注射。结果治疗组临床症状消失或基本消失,心电图ST段T波恢复正常或大致正常效均优于对照组,治疗中未出现明显不良反应。结论在西医常规处理基础上加用参麦注射液与低分子肝素钙治疗不稳定型心绞痛疗效满意,值得推广。 Objective To observe the effect of low molecular weight heparin combined with shenmai injection in treating 64 cases of unstable angina pectoris. Methods Sixty-four patients were randomly divided into treatment group and control group. Both groups were treated with nitric-lipid drugs and / or β-blockers, calcium antagonists, aspirin and simvastatin, and the treatment group Shenmai injection intravenous infusion of low molecular weight heparin and subcutaneous injection. Results The clinical symptoms of the treatment group disappeared or disappeared. The ST-segment T wave returned to normal or almost normal in the electrocardiogram was better than that in the control group. There was no obvious adverse reaction in the treatment. Conclusion It is worth to popularize that adding Shenmai injection and low molecular weight heparin calcium to unstable angina pectoris based on routine treatment of western medicine is satisfactory.