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Updated: May 15, 2026

Monitoring the Wall Mechanics During Stent Deployment in a Vessel
Published on: May 8, 2012
[ST-elevation myocardial infarction caused by stent fracture: a case report]
Marta Mazzotta1, Roberta Rosati1, Ferdinando Cosentini1
1Dipartimento di Cardiologia, Ospedale di Cremona, Cremona - Università degli Studi, Brescia.
Abstract:
Coronary stent fracture is an infrequent event, with an incidence ranging from 1% to 8%. In rare cases, this complication may result in acute occlusion of the affected coronary artery. We report the case of a patient who experienced acute coronary syndrome following a stent fracture implanted 3 years previously. Myocardial infarction was caused by thrombosis occluding the vessel and probably triggered by endothelial injury caused by the protruding metal strut of the fractured stent. Vessel tortuosity, hinge motion, overlapping stents, increased stent length, smaller stent diameter and high post-dilation pressure are risk factors for stent fracture. In conclusion, to ensure proper recognition of this often-misunderstood clinical entity, it is necessary to be aware of its occurrence.
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