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Effects of False Lumen Procedures on Aorta Remodeling of Chronic DeBakey IIIb Aneurysm

 Tae-Hoon Kim  ;  Suk-Won Song  ;  Kwang-Hun Lee  ;  Min-Young Baek  ;  Kyung-Jong Yoo 
 ANNALS OF THORACIC SURGERY, Vol.102(6) : 1941-1947, 2016 
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BACKGROUND: Although thoracic endovascular aortic repair is regularly used to treat chronic DeBakey type IIIb aneurysms, persistent retrograde flow into the false lumen through distal reentry tears is a common cause of failure. We sought to determine the safety and efficacy of the false lumen procedure (FLP) for aortic remodeling with chronic DeBakey IIIb aneurysms.

METHODS: From 2012 to 2015, 25 patients with chronic DeBakey IIIb aneurysms underwent FLP using vascular plugs, stent grafts, coils, or glues. The FLP was performed as an adjunctive procedure after initial thoracic endovascular aortic repair in 9 patients, in combination with initial thoracic endovascular aortic repair in 13 patients, and as an isolated procedure in 3 patients. All patients were followed up for a mean duration of 10 months after the FLP. Outcomes included the degree of thrombosis and diameter change in the true lumen and false lumen. Diameters were measured at three levels: left subclavian artery, pulmonary artery bifurcation, and abdomen (celiac artery).

RESULTS: No spinal cord injury, renal failure, or 30-day mortality was observed. Complete false lumen thrombosis after FLP was observed in 20 patients (80%). Compared with before FLP, the mean false lumen diameter for each level (before 22.23 ± 10.18 mm versus after 17.56 ± 10.84 mm; p < 0.001) significantly decreased, whereas the mean true lumen diameter for each level (20.45 ± 5.33 mm versus 25.12 ± 5.60 mm, p < 0.001) increased.

CONCLUSIONS: False lumen procedures were safe, promoted complete thrombosis, and had favorable aortic remodeling in patients with chronic DeBakey IIIb aneurysms.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Thoracic and Cardiovascular Surgery (흉부외과학교실) > 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)
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