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Angioscopic Evaluation of Thrombi in the Culprit Coronary Lesions in Patients With Acute Myocardial Infarction

机译:急性心肌梗死患者冠状动脉病变血栓的血管造影评价

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The purpose of this study was to evaluate intracoronary thrombi inthe culprit lesions in patients with acute myocardial infarction(AMI) by angioscopy, and to compare them with clinical andangiographic features. We angioscopically observed the culpritcoronary lesions in 66 patients with AMI (55 males and 11females, 63.9±15.4 years old) just before interventionaltherapy. Thrombi were observed in 42 of 66 lesions(64%), namely, red thrombi in 16, mixed thrombi in 15,white thrombi in 11. In patients with complete obstruction(TIMI grade 0 and I), red thrombi were more frequentlyobserved than mixed or white thrombi. On the other hand, inpatients with incomplete obstruction (TIMI grade II andIII), white thrombi were more frequently observed than theothers. Angiographically, haziness and filling defect weresignificantly more frequently observed in patients with redthrombi than the others(p<0.05). The distance fromproximal side branch to thrombi tended to be longer in patientswith red thrombi than the others. The time from onset of AMItended to be longer in patients with white thrombi than theothers. These results suggest that blood flow may be an importantdeterminant of thrombi characterization.
机译:这项研究的目的是通过血管造影术评估急性心肌梗死(AMI)患者的冠状动脉内血栓形成,并将其与临床血管造影特征进行比较。在介入治疗前,我们通过血管镜观察了66例AMI患者(男性55例,女性11例,63.9±15.4岁)的冠状动脉病变。在66个病灶中有42个(64%)出现血栓,即红色血栓16个,混合血栓15个,白色血栓11个。在完全梗阻(TIMI 0和I级)的患者中,红色血栓比混合血栓更常见或白色血栓。另一方面,不完全梗阻的患者(TIMI II级和III级),白色血栓比其他患者更常见。血管造影检查发现,红血栓形成者的雾霾和充盈缺损明显高于其他患者(p <0.05)。有红色血栓的患者从近侧分支到血栓的距离往往比其他人更长。白血栓患者从AMIt发作开始的时间比其他患者更长。这些结果表明血流可能是血栓表征的重要决定因素。

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