Spontaneous Collapse of Balloon Expandable Stent in Heavily Calcified Aorta
Annals of vascular diseases/AVD(2020)
摘要
Balloon expandable stents (BES), which are made of stainless steel, are vulnerable to external compression, leading to deformation or collapse/fracture of the stents. In this report, two cases of complete collapse of BES are presented. In both cases, BES were placed in a heavily calcified aorta and subsequently collapsed without any evidence of external compression. Repeated pulsation of heavily calcified aorta was presumed to be the cause of the stent collapse.
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关键词
balloon expandable stent,stent collapse,aorta
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