Aortic Valve Stenosis Evaluation

Aortic valve stenosis evaluation – differences in estimated aortic valve area (AVA) and aortic stenosis severity comparing echocardiography and CTA results

Horehledova B1,2; Kok M1,2; Mihl C 1,2; B.M.F. Hendriks1,2, N.G. Eijsvoogel1,2, Sibel? Frederike? Poels? Kietselaer B1,2,3; Wildberger JE1,2; Das M1,2

1 Department of Radiology, Maastricht University Medical Center, Maastricht, The Netherlands
2 CARIM School for Cardiovascular Diseases, Maastricht University Medical Center, Maastricht, The Netherlands
3 Department of Cardiology, Maastricht University Medical Center, Maastricht, The Netherlands

Keywords:
Aortic Valve Area; Aortic Stenosis; Valvular Heart Disease; Multidetector Computed Tomography; Computed Tomography Angiography; Diagnostic Imagining; Cardioechography;
(1) Severity of AS is defined from aortic valve area (AVA), which represents the orifice formed by cusps of aortic valve, in combination with flow rate, pressure gradients and other cardiac function characteristics. Accurate determination of the AS severity is crucial for the course of the disease and the choice of treatment. In addition, patients who are unable to take the risks of conventional open valve replacement, are referred to less invasive transcatheter aortic valve implantation