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首页> 外文期刊>Netherlands heart journal : monthly journal of the Netherlands Society of Cardiology and the Netherlands Heart Foundation >An unwanted intruder
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An unwanted intruder

机译：一个不必要的入侵者

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A 79-year-old man with a past history of myocardial infarction and multiple percutaneous coronary interventions was admitted to our coronary care unit with a non-ST-elevation myocardial infarction. Coronary angiography was performed using a 6-Fr hydrophilic sheath through the right radial artery. The diagnostic procedure revealed a new severe focal lesion in the obtuse marginal artery just distal to a previously implanted stent (Fig. 1a). Hence the operator decided to proceed to percutaneous intervention using a left 3.5 extra backup guiding catheter. While the guiding catheter was passing through the radial artery, the patient reported mild discomfort in the forearm and the operator felt some resistance, although it reached the ascending aorta quite easily. After engaging the guiding catheter into the left main coronary artery, with an adequate aortic pressure curve, the patient developed sudden chest pain, and ST elevation was seen on the electrocardiographic monitor. Subsequent contrast injection revealed a total occlusion of the obtuse marginal artery (Fig. 1b).
机译：一个79岁的男子患有过去的心肌梗塞和多发性经皮冠状动脉干预患者被我们的冠心护理单元进行了非ST-EXTOATION心肌梗死。冠状动脉造影使用右侧径向动脉使用6-FR亲水性护套进行。诊断程序在钝边动脉中揭示了刚刚植入的支架的钝边动脉（图1A）。因此，操作员决定使用左3.5额外备用引导导管进行经皮干预。虽然引导导管通过桡动脉，但患者报告了前臂中的轻度不适，并且操作者感觉到一些抗性，尽管它很容易到达升高的主动脉。在将引导导管接合到左主冠状动脉中，用足够的主动脉压力曲线，患者发育突然的胸部疼痛，并且在心电图监测器上看到ST升降。随后的对比注射揭示了钝的边缘动脉的总闭塞（图1B）。

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