3-DIMENSIONAL MYOCARDIAL DEFORMATIONS - CALCULATION WITH DISPLACEMENT FIELD FITTING TO TAGGED MR-IMAGES

被引:194
作者
ODELL, WG
MOORE, CC
HUNTER, WC
ZERHOUNI, EA
MCVEIGH, ER
机构
[1] JOHNS HOPKINS UNIV,SCH MED,DEPT BIOMED ENGN,BALTIMORE,MD 21205
[2] JOHNS HOPKINS UNIV,SCH MED,DEPT RADIOL,BALTIMORE,MD 21205
[3] JOHNS HOPKINS UNIV,SCH MED,MED IMAGING LAB,BALTIMORE,MD 21205
关键词
HEART; FUNCTION; MAGNETIC RESONANCE (MR); PHYSICS; MYOCARDIUM; MR;
D O I
10.1148/radiology.195.3.7754016
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
PURPOSE: To reconstruct three-dimensional (3D) myocardial deformations from orthogonal sets of parallel-tagged magnetic resonance (MR) images. MATERIALS AND METHODS: Displacement information in the direction normal to the undeformed tag planes was obtained at points along tag lines. Three independent sets of one-dimensional displacement data were used to fit an analytical series expression to describe 3D displacement as a function of deformed position. The technique was demonstrated with computer-generated models of the deformed left ventricle with data from healthy human volunteers. RESULTS: Model deformations were reconstructed with a 3D tracking error of less than 0.3 mm. Error between estimated and observed one-dimensional displacements along the tags in 10 human subjects was 0.00 mm +/- 0.36 (mean +/- standard deviation). Robustness to noise in the tag displacement data was demonstrated by using a Monte Carlo simulation. CONCLUSION: The combination of rapidly acquired parallel-tagged MR images and field-fitting analysis is a valuable tool in cardiac mechanics research and in the clinical assessment of cardiac mechanical function.
引用
收藏
页码:829 / 835
页数:7
相关论文
共 26 条
[1]   DESCRIPTION OF THE DEFORMATION OF THE LEFT-VENTRICLE BY A KINEMATIC MODEL [J].
ARTS, T ;
HUNTER, WC ;
DOUGLAS, A ;
MUIJTJENS, AMM ;
RENEMAN, RS .
JOURNAL OF BIOMECHANICS, 1992, 25 (10) :1119-1127
[2]   OPTIMIZATION OF TAG THICKNESS FOR MEASURING POSITION WITH MAGNETIC-RESONANCE-IMAGING [J].
ATALAR, E ;
MCVEIGH, ER .
IEEE TRANSACTIONS ON MEDICAL IMAGING, 1994, 13 (01) :152-160
[3]   CINEANGIOGRAPHY OF THE HEART IN A SINGLE BREATH HOLD WITH A SEGMENTED TURBOFLASH SEQUENCE [J].
ATKINSON, DJ ;
EDELMAN, RR .
RADIOLOGY, 1991, 178 (02) :357-360
[4]   MR IMAGING OF MOTION WITH SPATIAL MODULATION OF MAGNETIZATION [J].
AXEL, L ;
DOUGHERTY, L .
RADIOLOGY, 1989, 171 (03) :841-845
[5]   IMPACT OF SEMIAUTOMATED VERSUS MANUAL IMAGE SEGMENTATION ERRORS ON MYOCARDIAL STRAIN CALCULATION BY MAGNETIC-RESONANCE TAGGING [J].
BAZILLE, A ;
GUTTMAN, MA ;
MCVEIGH, ER ;
ZERHOUNI, EA .
INVESTIGATIVE RADIOLOGY, 1994, 29 (04) :427-433
[6]   MYOCARDIAL TAGGING IN POLAR COORDINATES WITH USE OF STRIPED TAGS [J].
BOLSTER, BD ;
MCVEIGH, ER ;
ZERHOUNI, EA .
RADIOLOGY, 1990, 177 (03) :769-772
[7]  
DENNEY TS, 1994, 1994 P IEEE WORKSH N
[8]   IMPROVED MYOCARDIAL TAGGING CONTRAST [J].
FISCHER, SE ;
MCKINNON, GC ;
MAIER, SE ;
BOESIGER, P .
MAGNETIC RESONANCE IN MEDICINE, 1993, 30 (02) :191-200
[9]   TAG AND CONTOUR-DETECTION IN TAGGED MR-IMAGES OF THE LEFT-VENTRICLE [J].
GUTTMAN, MA ;
PRINCE, JL ;
MCVEIGH, ER .
IEEE TRANSACTIONS ON MEDICAL IMAGING, 1994, 13 (01) :74-88
[10]  
LUGOLIVIERI CH, 1994, P SOC MAGNETIC RESON, P1482