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Relation between coronary arterial stenosis and acute myocardial infarction
Author(s): 
Pages: 117-120
Year: Issue:  2
Journal: Acta Academiae Medicinae Shandong

Keyword:  Myocardial infarctionAngioplastyCoronary stenosis;
Abstract: 目的研究急性心肌梗死(AMI)患者梗死相关冠状动脉的狭窄程度。方法对171例AMI患者进行回顾性分析,所选患者须满足:①经过充分的抗栓药物治疗;②接受造影的时间为AMI发生后630 d;③行球囊扩张前恢复梗死相关动脉的前向血流。通过定量冠状动脉造影(QCA)评价管腔狭窄程度,比较分析各主要分支之间的差异。结果171例患者中病变血管中、重度狭窄者(>50%)161例,占94.15%,而单纯重度狭窄者(>70%)160例,占93.57%。前降支(LAD)、回旋支(LCX)与右冠状动脉(RCA)平均直径狭窄百分数分别为(84±21)%、(82±31)%、(81±32)%,三者之间差异无统计学意义(P均>0.05)。结论绝大多数AMI是在中、重度冠状动脉狭窄的基础上发生的。
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