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Residual Arch Tears and Major Adverse Events After Acute DeBakey Type I Aortic Dissection Repair.

 Woon Heo  ;  Suk-Won Song  ;  Kwang-Hun Lee  ;  Tae-Hoon Kim  ;  Min-Young Baek  ;  Kyung-Jong Yoo  ;  Bum-Koo Cho 
 ANNALS OF THORACIC SURGERY, Vol.106(4) : 1079-1086, 2018 
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BACKGROUND: Tear-oriented surgical procedure is considered a standard treatment for acute DeBakey type I aortic dissection (AIAD). However, long-term surgical outcomes, including aortic growth and rate of major adverse aortic events (MAAEs), have yet to be clarified. METHODS: Of the 274 patients who underwent surgical repair for AIAD between 2009 and 2016, 105 patients with both predischarge and follow-up computed tomographic scans were enrolled. The surgical extent was determined by primary entry tear location. We measured aortic diameters (pulmonary artery bifurcation, maximum diameter of the descending thoracic aorta [maxDTA], and celiac axis) and compared MAAEs (aorta growth rate ≥ 5 mm/year or maxDTA ≥ 55 mm according to surgical extent). RESULTS: Twenty-nine patients underwent total arch replacement (TAR); 76 underwent non-TAR. In the non-TAR group, patients with or without residual tears in the arch vessels were classified as having complete arch repair (non-TAR-CAR, n = 52) or incomplete arch repair (non-TAR-IAR, n = 24). Considerable differences were found in the aortic growth rate between the TAR and non-TAR groups and the non-TAR-CAR and non-TAR-IAR groups. Freedom from MAAEs at 5 years was considerably higher in the non-TAR-CAR group than in the non-TAR-IAR group (84.5% versus 31.1%). However, no differences were observed in the aortic growth rate and freedom from MAAEs between the TAR and non-TAR-CAR groups. CONCLUSIONS: Classic tear-oriented surgical procedure is insufficient for optimal long-term surgical outcomes, mainly regarding aortic dilation. CAR without residual arch vessel tears leads to favorable aortic remodeling in the residual DTA and prevents MAAEs after AIAD repair.
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1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Tae Hoon(김태훈) ORCID logo https://orcid.org/0000-0003-3987-0057
Baek, Min Young(백민영)
Song, Suk Won(송석원) ORCID logo https://orcid.org/0000-0002-9850-9707
Yoo, Kyung Jong(유경종) ORCID logo https://orcid.org/0000-0002-9858-140X
Lee, Kwang Hun(이광훈)
Heo, Woon(허운)
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