CTICasesAneurysm and Dissection post Aortic Coarctation Repair
Imaging findings
Chest CT shows a saccular aneurysm with a localized chronic dissection flap at the aortic isthmus, just distal to the left subclavian artery. The patient had a history of coarctation repair at age 8 and had a bicuspid aortic valve with left ventricular hypertrophy.
Key takeaways
Long-term complications of aortic coarctation repair include recurrent coarctation, systemic hypertension, and aneurysm formation or localized dissection at the repair site. Bicuspid aortic valve is present in approximately 50% of patients with coarctation, representing a generalized aortopathy/protoplasmic defect.
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