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冠状动脉内支架断裂是冠脉支架术后少见而严重的并发症,发病率约为1.8%。支架断裂后引起血管再狭窄和支架内血栓形成是支架术后再次血运重建的原因之一。支架断裂的发生可能与金属疲劳性、心肌收缩造成的铰链作用、支架本身的结构特点等有关。本文主要介绍冠脉支架断裂的机制、临床表现及预后、治疗等问题。
Coronary artery stent fractures after coronary stent is a rare and serious complication, the incidence was about 1.8%. Stent rupture caused by vascular restenosis and stent thrombosis is one of the reasons for stent revascularization again. Stent fracture may occur with the metal fatigue, myocardial contraction caused by the hinge effect, the structure of the stent itself and so on. This article describes the coronary stent fracture mechanism, clinical manifestations and prognosis, treatment and other issues.