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3D quantification of hemodynamics parameters of pulmonary artery and aorta using finite-element interpolations in 4D flow MR data

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A) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) of the pulmonary artery and aorta of one volunteer. B) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) for the phantom data.
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Figure 1: A) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) of the pulmonary artery and aorta of one volunteer. B) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) for the phantom data.

Mentions: The time averaged flow rate from 3D PC-MRI was 61.01±30.42ml/s for the groups of volunteers and 75.71ml//s, 117.55ml//s and 40.80ml//s for the phantom (rest, stress, coarctation) (Fig. 1). 3D maps distribution of WSS and OSI obtain in one volunteer and in the phantom data is shown in Fig. 1. One example of 3D maps of vorticity for the phantom (coarctation) and PA of one volunteer is showing in the Fig. 2. For the Aortic phantom we obtain Vorticity values between 0 to 1300s-1, for the PA in volunteers we obtain values between 0 to 450s-1. The quantification of the Helicity in 3D domain was applied in the phantom (coarctation), and the result was between -279 to 328m/s2 and for the PA of volunteers we obtained Helicity values between -204 to 86m/s2.


3D quantification of hemodynamics parameters of pulmonary artery and aorta using finite-element interpolations in 4D flow MR data
A) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) of the pulmonary artery and aorta of one volunteer. B) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) for the phantom data.
© Copyright Policy - open-access
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC4328859&req=5

Figure 1: A) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) of the pulmonary artery and aorta of one volunteer. B) 3D velocity magnitude (Left) and 3D maps of wall shear stress magnitud and oscillatory index (Right) for the phantom data.
Mentions: The time averaged flow rate from 3D PC-MRI was 61.01±30.42ml/s for the groups of volunteers and 75.71ml//s, 117.55ml//s and 40.80ml//s for the phantom (rest, stress, coarctation) (Fig. 1). 3D maps distribution of WSS and OSI obtain in one volunteer and in the phantom data is shown in Fig. 1. One example of 3D maps of vorticity for the phantom (coarctation) and PA of one volunteer is showing in the Fig. 2. For the Aortic phantom we obtain Vorticity values between 0 to 1300s-1, for the PA in volunteers we obtain values between 0 to 450s-1. The quantification of the Helicity in 3D domain was applied in the phantom (coarctation), and the result was between -279 to 328m/s2 and for the PA of volunteers we obtained Helicity values between -204 to 86m/s2.

View Article: PubMed Central - HTML

No MeSH data available.


Related in: MedlinePlus