Symptomatic Aortic Bare-Metal Stent Fracture after PETTICOAT Technique for Complicated Type B Aortic Dissection

Annals of Vascular Surgery
África Duque SantosClaudio Gandarias Zúñiga

Abstract

Aortic bare-metal stent rupture is an exceptional complication, associated with high risk of aorta rupture and death. We describe a successful endovascular approach for a symptomatic aortic bare-metal stent fracture after the provisional extension to induce complete attachment (PETTICOAT) technique. A 53-year-old man with a complicated type B aortic dissection (visceral malperfusion) was treated with thoracic endovascular aortic repair (TEVAR) and "PETTICOAT" technique. The 1-, 6-, and 12-month follow-up scans showed progressive aortic remodeling. After 15 months from the initial procedure, the patient was admitted to the emergency department with severe thoracic pain and two syncopal episodes. Urgent angio-computed tomography (CT) showed bare-metal stent rupture and aortic dilatation to 45 mm at the site of stent fracture. He was urgently treated with TEVAR to cover the entire length of the bare-metal stent under local anesthesia and motor-evoked potential (MEP) monitoring. If signs of medullary ischemia are observed in the MEP register, a carotid-subclavian bypass was planned. At 12 months of follow-up, the patient remains asymptomatic. CT scan at 1 month and 12 months showed no signs of endoleak and aortic remodeling to 40 m...Continue Reading

Citations

Aug 20, 2019·The Journal of Thoracic and Cardiovascular Surgery·Francois Dagenais

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