Haemodynamic assessment of bicuspid aortic valve aortopathy: a systematic review of the current literature

European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery
Joy EdlinMarjan Jahangiri

Abstract

Both genetic and haemodynamic theories explain the aetiology, progression and optimal management of bicuspid aortic valve aortopathy. In recent years, the haemodynamic theory has been explored with the help of magnetic resonance imaging and computational fluid dynamics. The objective of this review was to summarize the findings of these investigations with focus on the blood flow pattern and associated variables, including flow eccentricity, helicity, flow displacement, cusp opening angle, systolic flow angle, wall shear stress (WSS) and oscillatory shear index. A structured literature review was performed from January 1990 to January 2018 and revealed the following 3 main findings: (i) the bicuspid aortic valve is associated with flow eccentricity and helicity in the ascending aorta compared to healthy and diseased tricuspid aortic valve, (ii) flow displacement is easier to obtain than WSS and has been shown to correlate with valve morphology and type of aortopathy and (iii) the stenotic bicuspid aortic valve is associated with elevated WSS along the greater curvature of the ascending aorta, where aortic dilatation and aortic wall thinning are commonly found. We conclude that new haemodynamic variables should complement ascend...Continue Reading

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Citations

Jun 2, 2020·Frontiers in Physiology·Sarah N LippCraig J Goergen
Mar 3, 2021·Acta Biomaterialia·Suzette T LustEileen Gentleman
May 18, 2021·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Kenichiro TakahashiYosuke Ishii
Jul 10, 2021·Frontiers in Cardiovascular Medicine·Yidong WangBin Zhou
Aug 12, 2021·Seminars in Thoracic and Cardiovascular Surgery·Jing SunZhe Zheng
Sep 8, 2021·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Julio SoteloSergio Uribe

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