方法 对象为根据WHO标准确诊为急性心梗而收入心脏监护病房的病人。研究分两项进行。第一项共43例,年龄在35～75岁之间,分两组。第一组27例为疼痛发生后6小时内接受血管内纤溶治疗的病人。第二组16例为不能接受纤溶治疗或疼痛发生后较晚的病人(这组病人无行血管成形术的指征)。血样采用肝素管采集,采样时间分别为入院 Methods Subjects were admitted to a cardiac care unit based on the WHO criteria for acute myocardial infarction. The research is divided into two parts. The first a total of 43 cases, aged 35 to 75 years old, divided into two groups. The first group of 27 patients received intravascular fibrinolysis within 6 hours of the onset of pain. The second group consisted of 16 patients who were refractory to fibrinolytic therapy or had a late onset of pain (this group of patients had no indication of angioplasty). Blood samples collected using heparin, sampling time were admission