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首页> 外文期刊>Circulation journal >Long-Term Beneficial Effect of Infarct-Related Artery Patency in Acute Anterior Myocardial Infarction in Patients With Poor Myocardial Viability in the Region-at-Risk.
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Long-Term Beneficial Effect of Infarct-Related Artery Patency in Acute Anterior Myocardial Infarction in Patients With Poor Myocardial Viability in the Region-at-Risk.

机译:急性心肌梗死相关风险的区域中梗死相关的动脉通畅对急性前壁心肌梗塞的长期有益作用。

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Background Several studies have demonstrated the benefit of the patency of infarct-related artery (IRA) in acute myocardial infarction (AMI). However those studies have not been concerned with myocardial viability in the region-at-risk. In the present study the effect of the patency of IRA was investigated in the setting of anterior AMI with poor viable myocardium in the risk region. Methods and Results From 1993 to 1996 patients with a first time anterior AMI and poor viable myocardium in the region-at-risk at 1 month after onset were identified and enrolled. Patients with a totally occluded IRA were included in the Non-Open group (n=44), and patients with a reperfused IRA were included in the Open group (n=49). At 5 years after onset, left ventricular function was better preserved in the Open group than in the Non-Open group (p<0.05). Kaplan-Meier survival curves for cardiac mortality and event-free survival curves revealed poor prognoses in the Non-Open group over a 5-year period (p<0.05, respectively). The advantages of a patent IRA were further seen in health-related quality-of-life outcomes (p<0.05). Conclusions Even in patients with poor myocardial viability after an anterior AMI, the patency of the IRA is strongly associated with improved long-term survival, independent of residual myocardium viability. (Circ J 2004; 68: 1110 -1116).
机译:背景技术多项研究表明,在急性心肌梗死(AMI)中,梗塞相关动脉(IRA)的通畅性是有好处的。但是,这些研究并未涉及处于危险区域的心肌活力。在本研究中,在危险区域中存活心肌不良的前部AMI患者中,对IRA的通畅性进行了研究。方法和结果从1993年至1996年,首次发病前1个月处于危险区域的前AMI患者以及存活心肌不良的患者被确定并入组。 IRA完全闭塞的患者被纳入非开放组(n = 44),再灌注IRA的患者被纳入开放组(n = 49)。发病5年后,开放组比非开放组更好地保留了左心室功能(p <0.05)。心脏死亡率的Kaplan-Meier生存曲线和无事件生存曲线显示,非开放组在5年期间的预后较差(分别为p <0.05)。在与健康相关的生活质量结果中进一步看到了IRA专利的优势(p <0.05)。结论即使在前AMI后心肌存活力较差的患者中,IRA的通畅与长期生存率的改善也密切相关,而与残留心肌存活力无关。 (Circ J 2004; 68:1110 -1116)。

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