Quantification of aortic shagginess as a predictive factor of perioperative stroke and long-term prognosis after endovascular treatment of aortic arch.

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Presentation transcript:

Quantification of aortic shagginess as a predictive factor of perioperative stroke and long-term prognosis after endovascular treatment of aortic arch disease Akihiro Hosaka, MD, Manabu Motoki, MD, Masaaki Kato, MD, Hiroko Sugai, BE, Nobukazu Okubo, MD Journal of Vascular Surgery Volume 69, Issue 1, Pages 15-23 (January 2019) DOI: 10.1016/j.jvs.2018.03.425 Copyright © 2018 The Authors Terms and Conditions

Fig In each multiplanar reconstruction image orthogonal to the automatically defined aortic centerline with a regular slice thickness of 1 to 2 mm, the aortic luminal contour was recognized, and its length (A) was calculated (i). Concurrently, diameters of the aortic luminal contour through the central luminal line were measured automatically for every degree, and their mean value (B) was calculated (ii). Then, the ratio of A to the circumference of a perfect circle with a diameter of B (dotted circle) was determined [C = A/(3.14 · B)]. The mean value of (C − 1) × 100 from the level just distal to the left subclavian artery (SCA) to that just proximal to the celiac artery was calculated and defined as the shagginess score. Journal of Vascular Surgery 2019 69, 15-23DOI: (10.1016/j.jvs.2018.03.425) Copyright © 2018 The Authors Terms and Conditions