Thoracic Aorta

Combined Proximal Endografting With Distal Bare-Metal Stenting for Management of Aortic Dissection

Hofferberth SC, Foley PT, Newcomb AE, et al (The Univ of Melbourne, Fitzroy, Victoria, Australia; St Vincent’s Hosp Melbourne, Fitzroy, Victoria, Australia) Ann Thorac Surg 93:95–102, 2012^§

Abstract

Background

Established endovascular treatments for aortic dissection often result in incomplete aortic repair, potentially leading to late complications involving the distal aorta. To address the problems of incomplete true lumen reconstitution and late aneurysmal change, we report the midterm results of combined proximal endografting with distal true lumen bare-metal stenting (STABLE: Staged Total Aortic and Branch vesseL Endovascular reconstruction) in Stanford type A and B aortic dissection.

Methods

Between January 2003 and January 2010, 31 patients underwent staged total aortic and branch vessel endovascular reconstruction for management of acute (type A, 13; type B, 11) and chronic (type B, 7) aortic dissection. Proximal endografting was combined with bare-metal Z stent implantation in the distal true lumen. Patients with type A dissection underwent adjunctive treatment at operation. Computed tomography angiography was performed at baseline, 1 year, and annually thereafter to assess aortic remodelling.

Results

Primary technical success was 97%. Thirty-day rates of death, stroke, and permanent paraplegia/paresis were 3% (n = 1), 0%, and 0%, respectively. Mean follow-up was 57.3 months (range, 5 to 100 months). Overall survival was 60% at 100 months. Aortic-specific survival was 93%. Four patients (13%) underwent device-related reintervention. One (3%) late aortic-related death occurred. Thoracic (p = 0.64) and abdominal (p = 0.14) aortic dimensions were stable. The true lumen index increased significantly at follow-up.

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