Accuracy improvement of vascular wall shear stress estimation in the method of PC-MR based CFD

Accuracy improvement of vascular wall shear stress estimation in the method of PC-MR based CFD

WSSWall Shear StressWSS

CFDWSSWSS

WSSWall Shear Stress

(at Wall)

CFDMRCTCFDPC-MRPC-MRPC-MR0WSSPC-MRMR based CFDPC-MRPC-MRCFDWSS

3D cine PC-MR3MR based CFDWSSPC-MR- -

1. PC-MR2. PC-MR3. MR based CFD WSS

PC-MR

360rpmPC-MR

PC-MR (mm/s) (mm)

PC-MR187[mm/s]

PC-MR (m/s)PC-MR

PC-MR: :

3mmPC-MR0.31250.31250.5[mm/pixel]

0.2[mm/pixel]CFDWSSWSS

12

(mm) (mm) (mm) (mm)

WSS

WSS(Pa)WSS(Pa)WSS 135% 60% (mm) (mm)

WSS [Pa} MR-based CFD WSS

MR based CFDPC-MRPC-MRPC-MR PC-MR3WSSWSS

WSS (m3/s) PC-MR 1.860210-6 1.882910-6 1%

WSS 3% 30%PC-MRPC-MRPC-MRWSS[Pa]MR based CFD

PC-MRWSS[Pa]20mmPC-MRMRbased CFDWSSPC-MR

PC-MRPC-MR

MR based CFDWSSMR based CFD

WSSWSSPC-MR0WSS

3D cine PC-MR3PC-MRPC-MRWSSWSSMR based CFDPC-MRCFD

PC-MR CFDWSS0.625*0.625*0.823MR based CFDWSS

PC-MR

- -

WSSPam/sMR based CFD PC-MR

BC

BCPC-MRQMLSQQ/Q[m/s]PC-MRWSS [Pa]PC-MRWSS