Key result
Coronary stent fracture is a potential cause of stent failure that increases the risk for in-stent restenosis, stent thrombosis, and major adverse cardiac events, particularly in tortuous vessels.
Why the study?
Coronary stent fracture is a cause of stent failure, but defining the optimal therapeutic approach towards these complex lesions remains challenging.
Coronary stent fracture is a significant cause of stent failure and adverse cardiac events that requires advanced imaging for diagnosis and individualized therapeutic management.
Answers are grounded in this paper and cite their sources.
Stent fracture warrants consideration in unexplained stent failure with advanced imaging; review leaves open prospective prevention trials.
Coronary stent fracture (SF) is a potential cause of stent failure increasing the risk for in-stent restenosis, stent thrombosis, target lesion revascularization and major adverse cardiac events. Overall incidence of SF ranges from <1.0% up to 18.6% and SF can be found in up to 60% of failed devices. Advanced imaging techniques have improved the detection of SF. However, defining the optimal therapeutic approach towards these complex lesions is challenging. This review summarizes the most important publications on the topic of SF and discusses current insights into pathophysiology, diagnostic tools, classification and therapeutic management. Furthermore, two illustrative cases of SF leading to myocardial infarction are presented, which demonstrate typical SF risk factors such as vessel angulation and hinge motion, stenting in the right coronary artery, use of long stents and multiple stent layers.
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Gröger et al. (2022) conducted a review in Coronary Stent Fracture (n=2). Coronary stenting was evaluated. Coronary stent fracture is a potential cause of stent failure that increases the risk for in-stent restenosis, stent thrombosis, and major adverse cardiac events, particularly in tortuous vessels.
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