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Rupture and migration of an endovascular stent in the brachiocephalic trunk causing a vertebral steal syndrome
D Periard1, E Haesler, D Hayoz
1Service of Angiology, University Hospital, Lausanne, Switzerland. Daniel.Periard@chuv.ch
Abstract:
Delayed stent fracture has been observed in many different arteries and may represent a risk factor for restenosis. We describe the case of a delayed rupture of an endovascular brachiocephalic trunk stent. The complete fracture allowed a fragment to migrate distally and tilt, resulting in a hemodynamic pattern similar to that of a prevertebral stenosis with complete inversion of the homolateral vertebral blood flow. The induced vertebral steal syndrome as well as the risk of cerebral embolism was corrected by an aortobrachiocephalic bypass and resection of the ruptured stent.
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