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本文分析了初发型心绞痛（NAP）、无并发症的稳定型心绞痛（SAP）患者和以急性心肌梗塞（AMI）为冠心病首发症状患者的冠脉病变的严重性和范围，以探讨急性冠脉综合症与血管病变的关系。结果表明：无并发症的SAP组冠脉病变明显重于AMI与NAP组，无论是病变血管数、狭窄数、闭塞数还是病变范围，前者均重于后两组。SAP组81．3％为2支和3支血管病变，而AMI和NAP组大多数为单支血管病变（两组分别为88．2％和60．0％），各组冠心病危险因素相似。结论：急性冠脉综合症患者的冠脉病变的严重性无法预测能否发生急性冠脉综合症。
This study analyzed the severity and extent of coronary lesions in patients with primary angina pectoris (NAP), patients with uncomplicated stable angina (SAP) and patients with acute myocardial infarction (AMI) as the first symptom of coronary heart disease Syndrome and vascular disease. The results showed that: Coronary lesions in SAP group were significantly higher than those in AMI group and NAP group. No matter the number of vascular lesion, the number of stenosis, the number of occlusion or the extent of lesion, the former were more severe than the latter two groups. 81.3% of SAP patients had 2 and 3 vascular lesions, while the majority of AMI and NAP patients had single vessel disease (88.2% and 60.0% in both groups), with similar risk factors for coronary heart disease . CONCLUSIONS: The severity of coronary lesions in patients with acute coronary syndrome can not predict acute coronary syndrome.