CTICasesAccidental Placement of Aortic Stent Graft in False Lumen
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Imaging findings
Chest CT scans in a patient with Marfan syndrome demonstrate an aortic valve prosthesis and a chronic type A dissection. An endovascular stent graft is visible, deployed entirely within the dissected false lumen of the aorta rather than the true lumen. Multi-year follow-up imaging from 2010 to 2014 demonstrates gradual expansion of the stent and resorption of the surrounding false lumen hematoma, with the patient remaining clinically stable.
Key takeaways
Misplacement of an endovascular stent graft into the false lumen of a dissected aorta is a recognized iatrogenic technical complication. While some patients can survive and demonstrate stability as the false lumen remodels around the stent, it represents a mechanical procedure failure that carries a high risk of catastrophic failure and aortic rupture.
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