accuracy improvement of vascular wall shear stress estimation in the method of pc-mr based cfd
DESCRIPTION
Accuracy improvement of vascular wall shear stress estimation in the method of PC-MR based CFD. 東京 工業 大学 ○ 青木 康平 正 大西 有希 正 天谷 賢治 株式会社 アールテック 清水 利恭 小杉 隆司 名古屋 大学 礒田 治夫 浜松医科 大学 竹原 康雄. 研究背景. 脳動脈瘤 について. 脳動脈の一部位が膨らみ血管壁が 脆弱 となった もの． くも膜下出血の原因の一つ． 全てが破裂するわけではない． - PowerPoint PPT PresentationTRANSCRIPT
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