메뉴 건너뛰기




Volumn 58, Issue 1, 2007, Pages 174-178

Correction of frequency and phase variations induced by eddy currents in localized spectroscopy with multiple echo times

Author keywords

Eddy currents; Frequency and phase correction; In vivo spectroscopy; Measurement of glutamate; Water reference

Indexed keywords

CONCOMITANT PHASE; IN-VIVO SPECTROSCOPY; PHASE CORRECTIONS; RELATIVE INTENSITY RATIO; RESIDUAL EDDIES; SAMPLING WINDOWS; SIGNAL INTENSITIES; TIME-VARYING MAGNETIC FIELDS;

EID: 34547806269     PISSN: 07403194     EISSN: 15222594     Source Type: Journal    
DOI: 10.1002/mrm.21265     Document Type: Article
Times cited : (12)

References (27)
  • 1
    • 0001426032 scopus 로고
    • Analytical method for the compensation of eddy-current effects induced by pulsed magnetic-field gradients in NMR systems
    • Jehenson P, Westphal M, Schuff N. Analytical method for the compensation of eddy-current effects induced by pulsed magnetic-field gradients in NMR systems. J Magn Reson 1990;90:264-278.
    • (1990) J Magn Reson , vol.90 , pp. 264-278
    • Jehenson, P.1    Westphal, M.2    Schuff, N.3
  • 2
    • 0026717044 scopus 로고
    • Analysis of the temporal and spatial dependence of the eddy current fields in a 40-cm bore magnet
    • Robertson S, Hughes DG, Liu Q, Allen PS. Analysis of the temporal and spatial dependence of the eddy current fields in a 40-cm bore magnet. Magn Reson Med 1992;25:158-166.
    • (1992) Magn Reson Med , vol.25 , pp. 158-166
    • Robertson, S.1    Hughes, D.G.2    Liu, Q.3    Allen, P.S.4
  • 3
    • 0031982802 scopus 로고    scopus 로고
    • Proton spectroscopy of human brain with very short echo time using high gradient amplitudes
    • Seeger U, Klose U, Seitz D, Nagele T, Lutz O, Grodd W. Proton spectroscopy of human brain with very short echo time using high gradient amplitudes. Magn Reson Imaging 1998;16:55-62.
    • (1998) Magn Reson Imaging , vol.16 , pp. 55-62
    • Seeger, U.1    Klose, U.2    Seitz, D.3    Nagele, T.4    Lutz, O.5    Grodd, W.6
  • 5
    • 0000389382 scopus 로고
    • Active magnetic screening of gradient coils in NMR imaging
    • Mansfield P, Chapman B. Active magnetic screening of gradient coils in NMR imaging. J Magn Reson 1986;66:573-576.
    • (1986) J Magn Reson , vol.66 , pp. 573-576
    • Mansfield, P.1    Chapman, B.2
  • 6
    • 0024090850 scopus 로고
    • Minimum inductance coils
    • Turner R. Minimum inductance coils. J Phys E 1988;21:948-952.
    • (1988) J Phys E , vol.21 , pp. 948-952
    • Turner, R.1
  • 7
    • 0025430487 scopus 로고
    • Screened coil designs for NMR imaging in magnets with transverse field geometry
    • Bowtell R, Mansfield P. Screened coil designs for NMR imaging in magnets with transverse field geometry. Meas Sci Technol 1990;1:431-439.
    • (1990) Meas Sci Technol , vol.1 , pp. 431-439
    • Bowtell, R.1    Mansfield, P.2
  • 8
    • 0028232528 scopus 로고
    • Practical aspects of shielded gradient-coil design for localized in-vivo NMR-spectroscopy and small-scale imaging
    • Eccles CD, Crozier S, Roffman W, Doddrell DM, Back P, Callaghan PT. Practical aspects of shielded gradient-coil design for localized in-vivo NMR-spectroscopy and small-scale imaging. Magn Reson Imaging 1994;12:621-630.
    • (1994) Magn Reson Imaging , vol.12 , pp. 621-630
    • Eccles, C.D.1    Crozier, S.2    Roffman, W.3    Doddrell, D.M.4    Back, P.5    Callaghan, P.T.6
  • 9
    • 44949288378 scopus 로고
    • Optimization of eddy-current compensation
    • van Vaals JJ, Bergman AH. Optimization of eddy-current compensation. J Magn Reson 1990;90:52-70.
    • (1990) J Magn Reson , vol.90 , pp. 52-70
    • van Vaals, J.J.1    Bergman, A.H.2
  • 12
    • 16444378671 scopus 로고    scopus 로고
    • 1H MR spectroscopy using TE averaged PRESS: A more sensitive technique to detect neurodegeneration associated with Alzheimer's disease
    • 1H MR spectroscopy using TE averaged PRESS: a more sensitive technique to detect neurodegeneration associated with Alzheimer's disease. Magn Reson Med 2005;53:777-782.
    • (2005) Magn Reson Med , vol.53 , pp. 777-782
    • Hancu, I.1    Zimmerman, E.A.2    Sailasuta, N.3    Hurd, R.E.4
  • 14
    • 0025234440 scopus 로고
    • QUALITY: Quantification improvement by converting lineshapes to the Lorentzian type
    • de Graaf AA, van Dijk JE, Bovee WMMJ. QUALITY: quantification improvement by converting lineshapes to the Lorentzian type. Magn Reson Med 1990;13:343-357.
    • (1990) Magn Reson Med , vol.13 , pp. 343-357
    • de Graaf, A.A.1    van Dijk, J.E.2    Bovee, W.M.M.J.3
  • 15
    • 0025340810 scopus 로고
    • In vivo proton spectroscopy in presence of eddy currents
    • Klose U. In vivo proton spectroscopy in presence of eddy currents. Magn Reson Med 1990;14:26-30.
    • (1990) Magn Reson Med , vol.14 , pp. 26-30
    • Klose, U.1
  • 16
    • 0024460147 scopus 로고
    • Correction of distortions due to the pulsed magnetic field gradient-induced shift in B0 field by postprocessing
    • Jehenson P, Syrota A. Correction of distortions due to the pulsed magnetic field gradient-induced shift in B0 field by postprocessing. Magn Reson Med 1989;12:253-256.
    • (1989) Magn Reson Med , vol.12 , pp. 253-256
    • Jehenson, P.1    Syrota, A.2
  • 17
    • 0000847478 scopus 로고
    • The correction of transient B0 field shifts following the application of pulsed gradients by phase correction in the time domain
    • Ordidge RJ, Cresshull ID. The correction of transient B0 field shifts following the application of pulsed gradients by phase correction in the time domain. J Magn Reson 1986;69:151-155.
    • (1986) J Magn Reson , vol.69 , pp. 151-155
    • Ordidge, R.J.1    Cresshull, I.D.2
  • 18
    • 0033789762 scopus 로고    scopus 로고
    • Spectroscopic lineshape correction by QUECC: Combined QUALITY deconvolution and eddy current correction
    • Bartha R, Drost DJ, Menon RS, Williamson PC. Spectroscopic lineshape correction by QUECC: combined QUALITY deconvolution and eddy current correction. Magn Reson Med 2000;44:641-645.
    • (2000) Magn Reson Med , vol.44 , pp. 641-645
    • Bartha, R.1    Drost, D.J.2    Menon, R.S.3    Williamson, P.C.4
  • 19
    • 0027345896 scopus 로고
    • Quantification of proton NMR spectra of the human brain using tissue water as an internal concentration reference
    • Barker PB, Soher BJ, Blackband SJ, Chatham JC, Mathews VP, Bryan RN. Quantification of proton NMR spectra of the human brain using tissue water as an internal concentration reference. NMR Biomed 1993;6:89-94.
    • (1993) NMR Biomed , vol.6 , pp. 89-94
    • Barker, P.B.1    Soher, B.J.2    Blackband, S.J.3    Chatham, J.C.4    Mathews, V.P.5    Bryan, R.N.6
  • 20
    • 0002429690 scopus 로고
    • Absolute quantitation of water and metabolites in the human brain. I. Compartments and water
    • Ernst T, Kreis R, Ross BD. Absolute quantitation of water and metabolites in the human brain. I. Compartments and water. J Magn Reson Ser B 1993;102:1-8.
    • (1993) J Magn Reson Ser B , vol.102 , pp. 1-8
    • Ernst, T.1    Kreis, R.2    Ross, B.D.3
  • 21
    • 0029951842 scopus 로고    scopus 로고
    • MR relaxation times in human brain: Measurement at 4 T
    • Jezzard P, Duewell S, Balaban RS. MR relaxation times in human brain: measurement at 4 T. Radiology 1996;199:773-779.
    • (1996) Radiology , vol.199 , pp. 773-779
    • Jezzard, P.1    Duewell, S.2    Balaban, R.S.3
  • 22
    • 0026894094 scopus 로고
    • Motional degradation of metabolite signal strengths when using STEAM - a correction method
    • Zhu G, Gheorghiu D, Allen PS. Motional degradation of metabolite signal strengths when using STEAM - a correction method. NMR Biomed 1992;5:209-211.
    • (1992) NMR Biomed , vol.5 , pp. 209-211
    • Zhu, G.1    Gheorghiu, D.2    Allen, P.S.3
  • 23
    • 0034963584 scopus 로고    scopus 로고
    • MR spectroscopy quantification: A review of frequency domain methods
    • Mierisova S, Ala-Korpela M. MR spectroscopy quantification: a review of frequency domain methods. NMR Biomed 2001;14:247-259.
    • (2001) NMR Biomed , vol.14 , pp. 247-259
    • Mierisova, S.1    Ala-Korpela, M.2
  • 24
    • 0036923763 scopus 로고    scopus 로고
    • Automated correction of unwanted phase jumps in reference signals which corrupt MRSI spectra after eddy current correction
    • Simonetti AW, Melssen WJ, van der Graaf M, Heerschap A, Buydens LM. Automated correction of unwanted phase jumps in reference signals which corrupt MRSI spectra after eddy current correction. J Magn Reson 2002;159:151-157.
    • (2002) J Magn Reson , vol.159 , pp. 151-157
    • Simonetti, A.W.1    Melssen, W.J.2    van der Graaf, M.3    Heerschap, A.4    Buydens, L.M.5
  • 25
    • 0033110349 scopus 로고    scopus 로고
    • Artifacts introduced by zero order phase correction in proton NMR spectroscopy and a method of elimination by phase filtering
    • Wild JM. Artifacts introduced by zero order phase correction in proton NMR spectroscopy and a method of elimination by phase filtering. J Magn Reson 1999;137:430-436.
    • (1999) J Magn Reson , vol.137 , pp. 430-436
    • Wild, J.M.1
  • 26
    • 0028361905 scopus 로고
    • Automated processing for proton spectroscopic imaging using water reference deconvolution
    • Maudsley AA, Wu Z, Meyerhoff DJ, Weiner MW. Automated processing for proton spectroscopic imaging using water reference deconvolution. Magn Reson Med 1994;31:589-595.
    • (1994) Magn Reson Med , vol.31 , pp. 589-595
    • Maudsley, A.A.1    Wu, Z.2    Meyerhoff, D.J.3    Weiner, M.W.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.