Abstract #0454
Reproducibility of Advanced Velocity and Wall Shear Stress Quantification Techniques Derived From 4D Flow MRI in the Pathological Aorta
Pim van Ooij 1 , Wouter V Potters 1 , Jeremy D Collins 2 , James C Carr 2 , S Chris Malaisrie 3 , Patrick M McCarthy 4 , Michael Markl 2 , and Alex J Barker 2
1
Radiology, Academic Medical Center,
Amsterdam, Netherlands,
2
Radiology,
Northwestern University, Chicago, IL, United States,
3
Medicine-Cardiology,
Northwestern University, Chicago, IL, United States,
4
Division
of Cardiac Surgery, Northwestern University, Chicago,
IL, United States
Recently a technique was developed to visualize
patient-specific abnormal aortic velocity and wall shear
stress (WSS) for guidance in tissue resection surgery
for BAV disease. In this study, the reproducibility of
the technique is investigated by comparing abnormal
velocity and WSS of baseline and follow-up (separated by
appr. a year) 4D flow MRI in 24 BAV patients and 15
tricuspid aortic valves and aortic dilatation (TAV+D).
No significant differences were found in aortic
diameter, peak velocity or abnormal velocity and WSS.
Therefore, the technique is stable.
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