• Joseph S Coselli, Susan Y Green, Samantha Zarda, Courtney C Nalty, Matt D Price, Michael S Hughes, Ourania Preventza, Kim I de la Cruz, and Scott A LeMaire.
• Division of Cardiothoracic Surgery, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Tex; Department of Cardiovascular Surgery, Texas Heart Institute, Houston, Tex; Baylor St Luke's Medical Center, Houston, Tex. Electronic address: jcoselli@bcm.edu.
• J. Thorac. Cardiovasc. Surg.. 2014 Dec 1;148(6):2986-93.e1-2.

ObjectivesIn patients with acute DeBakey type I dissection, endovascular repair of the descending thoracic aorta during proximal aortic repair is an increasingly popular approach to preventing distal aortic sequelae and subsequent repair. To better define the risks and outcomes associated with these secondary operations, we examined our contemporary experience with open distal aortic repair in patients with chronic type I aortic dissection.MethodsData were collected between January 2005 and June 2013 regarding 198 consecutive open descending thoracic (n = 27) or thoracoabdominal (n = 171) aortic repairs performed in patients with chronic type I dissection. The median interval between the dissection onset and the subsequent distal operation was 5.0 years (interquartile range, 2.4-10.5 years). A total of 110 repairs (56%) were performed in patients with genetic disorders.ResultsThere were 14 early deaths (7%). Permanent paraplegia developed in 2 patients (1%), 5 patients (3%) had permanent stroke, and 9 patients (5%) had permanent renal failure. Factors associated with early death included greater age (P = .01), chronic obstructive pulmonary disease (P = .01), clamping proximal to the left subclavian artery (P = .004), and use of hypothermic circulatory arrest (P = .002). The use of cold renal perfusion (P < .001) was associated with early survival. Early death was not associated with genetic disorders, emergency surgery, or extent of aortic repair. There were 36 late deaths, yielding an actuarial 8-year survival of 65.6% ± 5.9%. At 7 years, freedom from repair failure was 95.7% ± 1.7%, and freedom from subsequent repair for disease progression was 84.8% ± 4.6%.ConclusionsIn survivors of DeBakey type I aortic dissection with distal aneurysm, open repair of the descending thoracic or thoracoabdominal aorta can be performed with excellent early survival, acceptable morbidity, and relatively few late aortic events.Copyright © 2014 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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