Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
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Κρήτη 72100
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alsfakia@gmail.com

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Σάββατο 28 Οκτωβρίου 2017

Morphology and Outcomes of Total Endovascular Treatment of Type B Aortic Dissection with Aberrant Right Subclavian Artery

Publication date: Available online 28 October 2017
Source:European Journal of Vascular and Endovascular Surgery
Author(s): Min Zhou, Xueqin Bai, Yong Ding, Yonggang Wang, Changpo Lin, Dong Yan, Zhenyu Shi, Weiguo Fu
ObjectivesTo characterize the morphology of type B aortic dissection with aberrant right subclavian artery (ARSA) and present early and midterm outcomes of total endovascular treatment for affected patients.MethodsFrom January 2010 to December 2015, patients with ARSA and type B aortic dissection treated with total endovascular techniques were enrolled. The angle of the aortic arch was measured on pre-operative CTA. Sixty age and gender matched normal aortic arch patients with type B aortic dissection served as controls. Primary outcomes were technical success, 30 day mortality, and late survival. Secondary outcomes included in hospital morbidity, re-intervention rate, and patency of the subclavian artery.ResultsA total of 13 patients (8 men, 5 women; mean age 58 years) were included. The mean angle of the aortic arch in patients with ARSA was significantly smaller than in normal aortic arch patients (117.2° ± 10.8° vs. 124.2° ± 9.4°, respectively; p = .024). Simple thoracic endovascular aortic repair (TEVAR) and TEVAR plus a parallel graft technique were performed in six and seven patients, respectively. Primary technique success was achieved in 11 of the 13 (84.6%) patients. A bird beak configuration occurred significantly more frequently in patients with ARSA than in normal aortic arch patients (91.7% vs. 48.3%, respectively; p = .035). The median follow-up time was 36 months. One patient received a secondary procedure because of a new onset entry tear at the distal end of the stent graft. No posterior circulation stroke, permanent spinal cord ischaemia, or ischaemia of the upper arm was observed.ConclusionsType B aortic dissection with ARSA was associated with a steep aortic arch. Total endovascular treatment for these patients was feasible and safe. Stent grafts with better flexibility and appropriate extension of the proximal landing zone with a parallel graft technique are suggested based on the observed outcomes.



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