Abstract
Background Aortic coarctation (AC) represents 7% of congenital heart disease. It is a reversible secondary cause of systemic hypertension, however up to 35% of patients remain hypertensive and 18% have cardiovascular complications such as aortic aneurysm, dissection or aortic valve disease. AC is associated with bicuspid aortic valve (BAV) in around 60%, both diseases alter aortic wall distensibility, stiffness and wall shear stress (WSS). Our objective was to compare these parameters in patients with AC according to the morphology or the aortic valve (either bicuspid or tricuspid).
Highlights
Aortic coarctation (AC) represents 7% of congenital heart disease
Thirty-nine patients with AC were evaluated, nine were excluded due to moderate or severe aortic valve disease and one CMR was stopped due to claustrophobia; 29 patients were analyzed (17 with bicuspid aortic valve (BAV) and 12 with tricuspid aortic valve)
Wall shear stress was similar in both groups (4.9 dynas/cm2 (IQR 4.1-6.0) vs 5.3 dynas/ cm2 (2.9-8.3); p = 0.81]
Summary
Aortic coarctation (AC) represents 7% of congenital heart disease. It is a reversible secondary cause of systemic hypertension, up to 35% of patients remain hypertensive and 18% have cardiovascular complications such as aortic aneurysm, dissection or aortic valve disease. AC is associated with bicuspid aortic valve (BAV) in around 60%, both diseases alter aortic wall distensibility, stiffness and wall shear stress (WSS). Our objective was to compare these parameters in patients with AC according to the morphology or the aortic valve (either bicuspid or tricuspid)
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