A HIGHLY SENSITIVE LACTATE EDITING TECHNIQUE FOR SURFACE COIL SPECTROSCOPIC IMAGING INVIVO

被引:11
作者
BOURGEOIS, D [1 ]
KOZLOWSKI, P [1 ]
机构
[1] NATL RES COUNCIL CANADA,INST BIODIAGNOST,OTTAWA K1A 0R6,ONTARIO,CANADA
关键词
NMR SPECTROSCOPY; PULSE SEQUENCES; LACTATE EDITING; SURFACE COIL;
D O I
10.1002/mrm.1910290320
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 lactate editing sequence based on the use of spin‐locking pulses with surface coils is described. The sequence retains more than 90% of the available lactate magnetization and suppresses at least 95% of the lipid signal in a single scan and ca. 99.5% after a simple two step cycle. The technique allows simultaneous observation of lactate and uncoupled metabolites in the range 2 to 3 ppm. The sequence was combined with two‐dimensional spectroscopic imaging to obtain a lactate map of an ischemic rat brain in vivo. Copyright © 1993 Wiley‐Liss, Inc., A Wiley Company
引用
收藏
页码:402 / 406
页数:5
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