• Glenn Wei Leong Tan, Chong Han Pek, Daniel Wong, Sundeep Punamiya, Ming Terk Chiu, Vijayan Appasamy, Kok Hoong Chia, and Chee Wei Lee.
• Department of General Surgery, Vascular Surgery Service, Tan Tock Seng Hospital, Singapore. glenntan@doctors.org.uk
• Ann Vasc Surg. 2011 Jul 1;25(5):605-11.

BackgroundThoracic aortic injury from blunt trauma is a life-threatening condition with significant mortality and morbidity with open surgical repair. Endovascular means of treatment is emerging as an attractive and less invasive option. We report our experience with endovascular stent-graft repair for blunt traumatic thoracic aorta injury.MethodsBetween January 2003 and August 2009, six patients underwent endovascular repair of blunt traumatic thoracic aorta injury. Data from the medical records of these patients were analyzed.ResultsAll patients had deceleration injury resulting in thoracic aorta pseudoaneurysm at the aortic isthmus just distal to the left subclavian artery. Four patients were motorcyclists who had been involved in road-traffic accidents and two had fallen from a height. The mean Injury Severity Score was 33.8 (range, 21-43). All procedures were performed within 48 hours of admission and technical success was 100%. Five patients (83.3%) had the left subclavian artery intentionally covered by the stent-graft to achieve adequate proximal landing zone. None of them had any left upper limb ischemic complications or cerebrovascular events after the procedure. One patient had preservation of the left subclavian artery because intraoperative vertebral angiogram showed a hypoplastic right vertebral artery. No other procedural complications, paraplegia, or deaths were reported. Mean follow-up was 18.8 months (range, 1.5-42 months).ConclusionsOur early experience of endovascular stent-grafting for blunt traumatic thoracic aorta injury suggests that this emerging technique is safe for treatment of such pathology in our inherently Asian population. Left subclavian artery may be sacrificed if adequate proximal landing zone is required for the stent-graft; and when vertebral angiogram was performed which did not show a dominant left vertebral artery.Copyright © 2011 Annals of Vascular Surgery Inc. Published by Elsevier Inc. All rights reserved.

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