A validation of a flow quantification by MR phase mapping software

被引:28
作者
Laffon, E [1 ]
Valli, N [1 ]
Latrabe, V [1 ]
Franconi, JM [1 ]
Barat, JL [1 ]
Laurent, F [1 ]
机构
[1] Hop Haut Leveque, Grp Hosp Sud, Nucl Med Serv, F-33600 Pessac, France
关键词
magnetic resonance; flow quantification; phase mapping; aorta; right (left) pulmonary artery; left ventricular stroke volume;
D O I
10.1016/S0720-048X(97)00105-8
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 ; 100207 ; 1009 ;
摘要
Aim: We evaluated a Siemens software of flow quantification (FQ) by MR phase mapping, in the framework of a common practical use. Methods: Experiments with a laminar flow phantom and in vivo pulsatile flow were performed. In particular, FQ in ascending aorta was investigated in healthy volunteers. Results and conclusion: Flow phantom experiments reveal that the FQ slightly underestimates (8% on the average) actual velocities (mean velocities over a vessel area), and also that velocity uncertainties are related to the encoding velocity value, whatever the measured velocity. Furthermore, using well characterized working criteria, we found low intraobserver variability and negligible interobserver variability in ascending aorta FQs. The role played by the choice of reference area in FQ accuracy is emphasized. When recording several cardiac cycles during the same acquisition, it is shown that the FQ software may provide erroneous results. Several comments for FQ software use in the ascending aorta are added. (C) 1998 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:166 / 172
页数:7
相关论文
共 9 条
[1]  
BUONOCORE MH, 1990, 9 C SOC MAGN RES MED, P476
[2]   VOLUMETRIC FLOW-RATES IN THE PORTAL VENOUS SYSTEM - MEASUREMENT WITH CINE PHASE-CONTRAST MR IMAGING [J].
BURKART, DJ ;
JOHNSON, CD ;
MORTON, MJ ;
WOLF, RL ;
EHMAN, RL .
AMERICAN JOURNAL OF ROENTGENOLOGY, 1993, 160 (05) :1113-1118
[3]   RIGHT AND LEFT LUNG PERFUSION - INVITRO AND INVIVO VALIDATION WITH OBLIQUE-ANGLE, VELOCITY-ENCODED CINE MR IMAGING [J].
CAPUTO, GR ;
KONDO, C ;
MASUI, T ;
GERACI, SJ ;
FOSTER, E ;
OSULLIVAN, MM ;
HIGGINS, CB .
RADIOLOGY, 1991, 180 (03) :693-698
[4]   INVIVO VALIDATION OF MR VELOCITY IMAGING [J].
FIRMIN, DN ;
NAYLER, GL ;
KLIPSTEIN, RH ;
UNDERWOOD, SR ;
REES, RSO ;
LONGMORE, DB .
JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY, 1987, 11 (05) :751-756
[5]  
KARVONEN J, 1980, ADV PHYSL SCI, V10, P231
[6]   RIGHT AND LEFT-VENTRICULAR STROKE VOLUME MEASUREMENTS WITH VELOCITY-ENCODED CINE MR IMAGING - INVITRO AND INVIVO VALIDATION [J].
KONDO, C ;
CAPUTO, GR ;
SEMELKA, R ;
FOSTER, E ;
SHIMAKAWA, A ;
HIGGINS, CB .
AMERICAN JOURNAL OF ROENTGENOLOGY, 1991, 157 (01) :9-16
[7]  
Miorner G, 1968, Scand J Respir Dis Suppl, V64, P1
[8]   LEFT-VENTRICULAR MEASUREMENTS WITH CINE AND SPIN-ECHO MR IMAGING - A STUDY OF REPRODUCIBILITY WITH VARIANCE COMPONENT ANALYSIS [J].
PATTYNAMA, PMT ;
LAMB, HJ ;
VANDERVELDE, EA ;
VANDERWALL, EE ;
DEROOS, A .
RADIOLOGY, 1993, 187 (01) :261-268
[9]  
PELC N J, 1991, Magnetic Resonance Quarterly, V7, P229