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目的 探讨急性心肌梗死(Acute Myocardial Infarction
AMI)患者碎裂QRS波(f QRS波)、QRS-T夹角及QT间期离散度与Gensini积分的相关性。方法 选取2020年12月至2021年12月于我院行冠脉造影检查确诊AMI的109例患者为AMI组,并根据Gensini积分分为低度、中度及高度狭窄亚组,同期选择我院住院的非AMI患者60例作为对照组,两组心电图进行对比分析。根据是否存在f QRS波将AMI患者分为两组,比较其QRS-T夹角值和QT间期离散度。应用Pearson模型分析心电图指标与Gensini积分的相关性。结果急性心肌梗死组的f QRS发生率、QRS-T夹角值及QT间期离散度均大于对照组(P>0.05);冠脉病变程度与f QRS波发生率、QRS-T夹角值、QT间期离散度有统计学意义(P<0.05);f QRS组的QRS-T夹角值及QT间期离散度均大于无f QRS波组(P<0.05);f QRS波、QRS-T夹角、QTd均与Gensini积分呈正相关(P<0.05)。结论 Gensini积分与心电图碎裂QRS波、QRS-T夹角及QT间期离散度存在相关性。
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