Journal
ANNALS OF THORACIC SURGERY
Volume 103, Issue 3, Pages 748-755Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.athoracsur.2016.06.097
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Background. In acute DeBakey I aortic dissection presenting with malperfusion syndromes, we assessed whether standard open repair with concomitant antegrade stent grafting (thoracic endovascular aneurysm repair; TEVAR) of the descending thoracic aorta (DTA) improves outcomes compared with standard repair alone. Methods. From 2005 to 2012, 277 patients with acute DeBakey I dissection underwent emergent operation. Of these, 104 patients (37%) presenting with end-organ malperfusion were divided into those undergoing standard distal repair entailing transverse hemiarch replacement (Standard group, n = 65) versus standard repair with concomitant DTA TEVAR during circulatory arrest (TEVAR group, n = 39). Prospectively maintained aortic dissection database was retrospectively reviewed. Results. Demographic characteristics and preoperative comorbidities were similar. Circulatory arrest (56 +/- 12 versus 34 +/- 14 minutes, p < 0.001) and cross-clamp (176 +/- 43 versus 119 +/- 80, p = 0.001) times were longer in the TEVAR group. Overall, postoperative stroke rate (5% [n= 2] versus 6% [n = 4], p = 1), paraplegia rate (5% [n = 2] versus 5% [n = 3], p = 1.0), and renal failure rate (10% [n = 4] versus 22% [n = 14], p = 0.2) were similar. In-hospital/30-day mortality rate was lower in the TEVAR group but was not significant (18% (n = 7) versus 34% [n = 22], p = 0.1). In patients presenting with malperfusion involving greater than one end-organ system, the mortality rate was significantly improved in the TEVAR group (28% [n = 6] versus 58% [n = 14], p = 0.05). Conclusions. Standard repair with antegrade TEVAR of the DTA for acute DeBakey I aortic dissection presenting with malperfusion syndromes can be safely performed. Further, true lumen stabilization achieved through DTA TEVAR may provide a survival benefit in patients with distal multiorgan malperfusion. (C) 2017 by The Society of Thoracic Surgeons
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