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Postoperative evaluation of composite aortic grafts: comparison of angiography and CT

P. Probst ^* H. R. Baur F. Leupi P. Schüpbach and U. Althaus

^* Divisions of Radiology, University of Bern, Switzerland Divisions of Cardiology, University of Bern, Switzerland Divisions of Cardiovascular Surgery, University of Bern, Switzerland

Postoperative angiography and computerised tomography were performed in 10 patients 8 to 57 months after surgical repair (nine composite, one distal graft) of aneurysms of the thoracic aorta (six dissecting, four true aneurysms). Angiography and angio-CT showed chronic dissection of the distal aorta in five of six patients with dissecting aneurysms and detected a pseudoaneurysm originating from the distal suture line in another patient. CT may serve as an initial procedure for postoperative examinations after surgery of aortic aneurysms to demonstrate the state of the false lumen and the formation of pseudoaneurysms. The coronary arteries and aortic valve function have to be evaluated by angiography.

Received for publication February 1, 1983.