Repeat stent implementation for recanalization of the proximal right coronary artery: a case report
Repeat stent implementation for recanalization of the proximal right coronary artery: a case report
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重复支架植入以实现右冠状动脉近端再通：病例报告
DOI：
10.1186/s13256-018-1897-3
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发表时间：
2018-12
影响因子：
1
通讯作者：
Feng Cao
中科院分区：
文献类型：
--
作者：
Yabin Wang;Lei Gao;Ming Zhang;Yundai Chen;Feng Cao
背景冠状动脉介入治疗后，尤其是急性心肌梗死的罪犯病变，支架内假腔是导致支架闭塞的常见原因。在这里，我们提出了一个不寻常的情况下，成功再通的近端右冠状动脉与实施另一个支架粉碎以前的支架在假lumen.Case presentationA 40岁的中国男子接受冠状动脉支架实施近端右冠状动脉由于急性下壁心肌梗死在另一家医院。6个月后，他在我院接受了冠状动脉造影复查，以确定是否有复发性症状性心绞痛。冠状动脉造影和血管内超声证实之前的支架在右冠状动脉的假腔内展开。然后，血管内超声被用来引导导线重新进入真腔的近端右冠状动脉，另一个支架被部署到真腔粉碎previousstents.ConclusionIntravascular超声被证明是一个关键的工具，在确认假腔或真腔，以及确定有利的近端网站的入口点，以避免重新布线的网格前支架。
BackgroundA stent in a false lumen is a common cause of stent occlusion after coronary percutaneous coronary artery intervention therapy, particularly in the culprit lesion of acute myocardial infarction. Here, we present an unusual case of successful recanalization of the proximal right coronary artery with implementation of another stent to crush the previous stent in the false lumen.Case presentationA 40-year-old Chinese man underwent coronary stent implementation in the proximal right coronary artery due to acute inferior wall myocardial infarction at another hospital. Six months later, he underwent coronary angiography re-examination for recurrent symptomatic angina at our hospital. Coronary angiography and intravascular ultrasound confirmed that the previous stent was deployed in the false lumen of the right coronary artery. Then, intravascular ultrasound was used to guide the wire to re-enter the true lumen of the proximal right coronary artery, and another stent was deployed into the true lumen to crush the previous stent.ConclusionIntravascular ultrasound proved to be a pivotal tool in confirming false or true lumen, as well as determining favorable proximal site entry points to avoid rewiring the mesh of the previous stent.
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