EPISTAR MRI: Multislice mapping of cerebral blood flow

被引:60
作者
Edelman, RR [1 ]
Chen, G
机构
[1] Beth Israel Deaconess Med Ctr, Dept Radiol, Boston, MA 02215 USA
[2] Harvard Univ, Sch Med, Boston, MA 02215 USA
关键词
D O I
10.1002/mrm.1910400603
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
A method is described for multislice EPISTAR that perfectly compensates magnetization transfer effects. Inflowing arterial spins are labeled with a 360 degrees adiabatic pulse. Two control tags are applied sequentially at the same location as the labeling pulse, each with a 180 degrees adiabatic pulse so the total RF irradiation, frequency shift, and bandwidth of the labeling and control pulses are identical. Therefore, magnetization transfer effects are the same as for the labeling pulse and cancel with image subtraction for all slices. The method also eliminates tagging of venous spins and concern about asymmetric magnetization transfer effects.
引用
收藏
页码:800 / 805
页数:6
相关论文
共 13 条
[1]   QUALITATIVE MAPPING OF CEREBRAL BLOOD-FLOW AND FUNCTIONAL LOCALIZATION WITH ECHO-PLANAR MR-IMAGING AND SIGNAL TARGETING WITH ALTERNATING RADIO-FREQUENCY [J].
EDELMAN, RR ;
SIEWERT, B ;
DARBY, DG ;
THANGARAJ, V ;
NOBRE, AC ;
MESULAM, MM ;
WARACH, S .
RADIOLOGY, 1994, 192 (02) :513-520
[2]   Slice profile effects in adiabatic inversion: Application to multislice perfusion imaging [J].
Frank, LR ;
Wong, EC ;
Buxton, RB .
MAGNETIC RESONANCE IN MEDICINE, 1997, 38 (04) :558-564
[3]   QUANTIFICATION OF RELATIVE CEREBRAL BLOOD-FLOW CHANGE BY FLOW-SENSITIVE ALTERNATING INVERSION-RECOVERY (FAIR) TECHNIQUE - APPLICATION TO FUNCTIONAL MAPPING [J].
KIM, SG .
MAGNETIC RESONANCE IN MEDICINE, 1995, 34 (03) :293-301
[4]  
KWONG KK, 1994, P SMR 2 ANN M SAN FR, P1005
[5]   Noninvasive perfusion MRI in Alzheimer's disease: A preliminary report [J].
Sandson, TA ;
OConnor, M ;
Sperling, RA ;
Edelman, RR ;
Warach, S .
NEUROLOGY, 1996, 47 (05) :1339-1342
[6]   MULTISLICE MRI OF RAT-BRAIN PERFUSION DURING AMPHETAMINE STIMULATION USING ARTERIAL SPIN-LABELING [J].
SILVA, AC ;
ZHANG, WG ;
WILLIAMS, DS ;
KORETSKY, AP .
MAGNETIC RESONANCE IN MEDICINE, 1995, 33 (02) :209-214
[7]   MAGNETIC-RESONANCE-IMAGING OF PERFUSION USING SPIN INVERSION OF ARTERIAL WATER [J].
WILLIAMS, DS ;
DETRE, JA ;
LEIGH, JS ;
KORETSKY, AP .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1992, 89 (01) :212-216
[8]   MAGNETIZATION TRANSFER CONTRAST (MTC) AND TISSUE WATER PROTON RELAXATION INVIVO [J].
WOLFF, SD ;
BALABAN, RS .
MAGNETIC RESONANCE IN MEDICINE, 1989, 10 (01) :135-144
[9]  
Wong EC, 1997, NMR BIOMED, V10, P237, DOI 10.1002/(SICI)1099-1492(199706/08)10:4/5<237::AID-NBM475>3.0.CO
[10]  
2-X