Abstract #2469
Estimation of transvalvular flow jet angle using 4D flow MRI and flow jet shear layer detection
Julio Garcia 1 , Michael Markl 1,2 , Pim van Ooij 1 , Susanne Schnell 1 , Jeremy Collins 1 , S. Chris Malaisrie 3 , James Carr 1 , and Alex J. Barker 1
1
Radiology, Northwestern University, Chicago,
Illinois, United States,
2
Biomedical
Engineering, Northwestern University, Illinois, United
States,
3
Division
of Cardiac Surgery, Northwestern University, Chicago,
Illinois, United States
Patients with aortic dilation often exhibit eccentric
transvalvular flow jets. The angle of the flow jet from
the aorta centerline (FJA)has been reported as a risk
factor for aortic dilation in bicuspid aortic valve
patients. The objective of this study was to develop and
apply a new algorithm for the semiautomatic evaluation
of FJA using a 3D jet shear layer structure based on 4D
flow MRI data.
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