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Cardiovasc Intervent Radiol. 2013 Jun;36(3):824-8. doi: 10.1007/s00270-012-0436-7. Epub 2012 Jul 19.

Late pseudocoarctation syndrome after stent-graft implantation for traumatic aortic rupture.

Author information

1
Institut du Thorax, University Hospital of Nantes, Nantes, France. vincent.letocart@chu-nantes.fr

Abstract

The present observation illustrates an unusual complication occurring after stent-grafting (S-graft) for aortic isthmus rupture. A 22-year-old patient, treated by S-graft in the emergency department for traumatic aortic rupture, was readmitted 10 months later with pseudocoarctation syndrome. A membrane was found inside the stent-graft that had induced a pseudo-dissection, which caused the pseudocoarctation syndrome. Surgical treatment consisted of removing the stent-graft and membrane and replacing it with a vascular implant. The patient's clinical course was fair. The suggested mechanism was circumferential neoendothelialization of the stent-graft. Dehiscence caused the superior part of the membrane to drop into the lumen of the stent-graft creating a "false channel" that compressed the "true lumen" and induced "pseudocoarctation" syndrome. The cause of the extensive neointimalization remains unexplained. Thoracic aortic stent-grafts require regular follow-up monitoring by angioscan or angio-magnetic resonance imaging.

PMID:
22810729
DOI:
10.1007/s00270-012-0436-7
[Indexed for MEDLINE]

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