This is a case of a 4-cm left extrathoracic subclavian artery aneurysm (SCAA) in a 58-year-old man with an aortic root and abdominal aortic aneurysm. The patient had features suggestive of genetic arteriopathy, including vertebral artery tortuosity, pectus excavatum, tall stature, and scoliosis. The SCAA was successfully repaired with an inline prosthetic graft and anastomotic pledgets via a supraclavicular approach. Genetic testing revealed an pathogenic variant consistent with Marfan syndrome. Repair is satisfactory 2 years later. Patients with SCAA should include consideration of genetic arteriopathy. Open repair of the extrathoracic SCAA in Marfan syndrome is recommended.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7903314PMC
http://dx.doi.org/10.1016/j.jvscit.2020.11.008DOI Listing

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