Stent migration as a late complication following carotid angioplasty and stenting.
2008
Background: A 69-year-old male patient with severe asymptomatic carotid artery stenosis was treated percutaneously with implant of two self-expandable stents in the right carotid overlapped to each other by 5 mm. The 15-month follow-up colour-Doppler ultrasound (CDU) revealed a severe stenosis in the target vessel and an image suggesting migration of the distal stent. Investigations: Physical examination, laboratory test, CDU, carotid angiography, quantitative carotid angiography (QCA), brain computed tomography (CT). Diagnosis: Migration of the distal stent associated with severe stenosis on the unsupported arterial segment. Management: Carotid artery angiography, QCA, antithrombotic therapy, carotid artery angioplasty and stenting (CAS).
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