PMID: 9543429Apr 16, 1998Paper

A localized double-quantum filter for the in vivo detection of brain glucose

Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine
J R KeltnerB G Jenkins

Abstract

A double-quantum filter (DQF) sequence with PRESS localization was developed for in vivo detection of the glucose resonances in the 3.85-ppm region of the brain proton spectrum. The efficiency and spectral editing characteristics were studied in phantom and animal experiments. Approximately 45% detection efficiency was achieved at 4.7 T with TE = 68 ms. Since the efficiency of the DQF method is dependent on the relative phases of the RF pulses, a phase calibration procedure was used to correct for phase shifts induced by the spatial localization. In addition to detecting the 3.85-ppm glucose resonances with approximately 45% efficiency, the DQF sequence simultaneously detects 1.3-ppm lactate resonance with approximately 20% efficiency. The use of the DQF technique for simultaneously monitoring both the input and output of anaerobic glycolysis in the brain was demonstrated by detecting brain glucose and lactate in the same acquisition after iv injection of glucose followed by the induction of global ischemia.

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Jun 17, 1999·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·R B Thompson, P S Allen
Aug 10, 1999·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·A H TrabesingerP Boesiger
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Feb 3, 2004·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Hyeonjin KimPeter S Allen
Mar 31, 2005·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Malgorzata MarjanskaMichael Garwood
Nov 5, 2005·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Atiyah Yahya, Peter S Allen
Jul 6, 2019·Journal of Magnetic Resonance Imaging : JMRI·Karl LandheerChristoph Juchem
May 9, 2000·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·R A de GraafK Nicolay
Sep 9, 2016·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Lana G KaiserGerald B Matson
Jul 31, 2008·Magnetic Resonance in Medicine : Official Journal of the Society of Magnetic Resonance in Medicine·Stephen PickupJerry D Glickson

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