对ST段抬高型心肌梗死(STEMI)患者进行及时的急诊血运重建术是公认的治疗方法。对多支血管病变的STEMI患者,只处理罪犯血管是否绝对正确尚不明确。研究者对比了(1)单支病变的STEMI患者和多支病变的STEMI患者;(2)在急诊PCI术后两个月内对非罪犯血管进行或不进行血运重建术的患者。他们纳入了丹麦西部心脏注册研究2002年1月至2009年6月间进行了急诊PCI的STEMI患者,共300万人。用Cox回归模型估算死亡的危害比(HR),以控制潜在的混淆因素。研究共纳入8 822例患者:4 770例(54.1%)为单 Timely emergency revascularization in patients with ST-elevation myocardial infarction (STEMI) is a well-established treatment. It is unclear whether treatment of a culprit vessel is absolutely correct for STEMI patients with multivessel disease. The researchers compared (1) STEMI patients with single-vessel disease and multiple-vessel disease with STEMI; and (2) patients with or without revascularization within two months of emergency PCI. They included a total of 3 million STEMI patients enrolled in the Danish West Heart Registry from January 2002 to June 2009 who underwent emergency PCI. The Cox regression model was used to estimate the hazard ratio (HR) of death to control for potential confounders. A total of 8 822 patients were enrolled in the study: 4770 (54.1%) were single