Preliminary findings in quantification of changes in septal motion during follow-up of type B aortic dissections

Journal of Vascular Surgery
Christof KarmonikJean Bismuth

Abstract

To quantify longitudinal changes in intra-arterial septum (IS) motion with two-dimensional (2D) phase-contrast magnetic resonance imaging (2D pcMRI) in type B aortic dissections (AD) to improve the understanding of AD and its midterm development. From a database of 42 patients who underwent a dynamic magnetic resonance imaging (MRI) examination at the Acute Aortic Treatment Center of The Methodist DeBakey Heart & Vascular Center, 2D pcMRI image data was available from 10 patients with type B AD for both short-term (mean, 6.6 days; range, 1-10 days; n = 7) and midterm follow-up (mean, 155 days; range, 60-324; n = 5). IS motion was quantified as motion of IS boundary points averaged over the cardiac cycle. Relative change in IS motion was expressed as percent change compared with initial presentation. Maximum IS extension (true lumen [TL] expansion) and contraction (TL compression), IS fraction in phase with aortic flow and correlation of IS motion with aortic flow (IS compliance) were quantified. IS motion at initial presentation was 0.68 ± 0.2 mm and was reduced at short-term (0.48 ± 0.3 mm; P = .07) and midterm (0.5 ± 0.2 mm; P = .1) follow-up. Trend in relative change of IS motion was variable during short-term follow-up: red...Continue Reading

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Citations

Jun 16, 2012·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Christof KarmonikAlan B Lumsden
Apr 17, 2015·Biomedical Engineering Online·Mona AlimohammadiVanessa Díaz-Zuccarini
Jun 24, 2014·The Journal of Thoracic and Cardiovascular Surgery·Suk-Won SongBum-Koo Cho
Sep 3, 2016·Journal of the American College of Cardiology·Sven PeterssJohn A Elefteriades
Aug 31, 2020·International Journal for Numerical Methods in Biomedical Engineering·Mei Yan ChongEinly Lim
Jun 20, 2018·The International Journal of Cardiovascular Imaging·Norman A OrabiKaren M Kim
Oct 7, 2017·The International Journal of Artificial Organs·Stefania MarconiFerdinando Auricchio
Sep 28, 2012·ASAIO Journal : a Peer-reviewed Journal of the American Society for Artificial Internal Organs·Christof KarmonikArjang Ruhparwar
Nov 9, 2021·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Mario LescanHarry Magunia

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