Thoracic aneurysm expansion secondary to collateral supplies via thyrocervical trunk and intercostal arteries in a patient after thromboexclusion

Matsuda, Hitoshi; Zaima, Azusa; Hino, Yutaka; Okita, Yutaka
April 2004
European Journal of Cardio-Thoracic Surgery;Apr2004, Vol. 25 Issue 4, p658
Academic Journal
A case of thoraco-abdominal aortic aneurysm complicated after permanent clamping of the descending aorta (thromboexclusion) is reported. Angiographic and operative findings were: (1) a pseudo-aneurysm right at the distal anastomosis of previous intrathoracic bypass for pseudo-coarctation of the aorta filled by left ninth intercostal artery, which was supplied by the left internal thoracic artery; and (2) the cervical and thoracic spinal cord were supplied by the left vertebral artery and the mediastinal branch of the left thyrocervical trunk. This rare cause of a thoraco-abdominal aortic aneurysm and the significance of the subclavian artery as a source of spinal cord blood supply are discussed.


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