Diffusion tensor imaging can detect and quantify corticospinal tract degeneration after stroke

被引:315
作者
Werring, DJ [1 ]
Toosy, AT [1 ]
Clark, CA [1 ]
Parker, GJM [1 ]
Barker, GJ [1 ]
Miller, DH [1 ]
Thompson, AJ [1 ]
机构
[1] UCL Inst Neurol, NMR Res Unit, London WC1N 3BG, England
关键词
magnetic resonance imaging; diffusion tensor; stroke; pathophysiology;
D O I
10.1136/jnnp.69.2.269
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Diffusion tensor imaging (DTI) fully characterises water molecule mobility in vivo, allowing an exploration of fibre tract integrity and orientation in the human brain. Using DTI this study demonstrates reduced fibre coherence (anisotropy) associated with cerebral infarction and in the corticospinal tract remote from the lesion, in five patients 2 to 6 months after ischaemic stroke. The study highlights the potential of DTI to detect and monitor the structural degeneration of fibre pathways, which may provide a better understanding of the pattern of clinical evolution after stroke.
引用
收藏
页码:269 / 272
页数:4
相关论文
共 12 条
[1]   ESTIMATION OF THE EFFECTIVE SELF-DIFFUSION TENSOR FROM THE NMR SPIN-ECHO [J].
BASSER, PJ ;
MATTIELLO, J ;
LEBIHAN, D .
JOURNAL OF MAGNETIC RESONANCE SERIES B, 1994, 103 (03) :247-254
[2]   DETERMINANTS OF ANISOTROPIC WATER DIFFUSION IN NERVES [J].
BEAULIEU, C ;
ALLEN, PS .
MAGNETIC RESONANCE IN MEDICINE, 1994, 31 (04) :394-400
[3]   Changes in water diffusion due to wallerian degeneration in peripheral nerve [J].
Beaulieu, C ;
Does, MD ;
Snyder, RE ;
Allen, PS .
MAGNETIC RESONANCE IN MEDICINE, 1996, 36 (04) :627-631
[4]  
GRAHAM DI, 1997, GREENFIELDS NEUROPAT, P104
[5]   MAGNETIC-RESONANCE-IMAGING ASSESSMENT OF EVOLVING FOCAL CEREBRAL-ISCHEMIA - COMPARISON WITH HISTOPATHOLOGY IN RATS [J].
KNIGHT, RA ;
DERESKI, MO ;
HELPERN, JA ;
ORDIDGE, RJ ;
CHOPP, M .
STROKE, 1994, 25 (06) :1252-1261
[6]   Clinical utility of diffusion-weighted magnetic resonance imaging in the assessment of ischemic stroke [J].
Lutsep, HL ;
Albers, GW ;
DeCrespigny, A ;
Kamat, GN ;
Marks, MP ;
Moseley, ME .
ANNALS OF NEUROLOGY, 1997, 41 (05) :574-580
[7]   Wallerian degeneration of the pyramidal tract does not affect stroke rehabilitation outcome [J].
Miyai, I ;
Suzuki, T ;
Kii, K ;
Kang, J ;
Kubota, K .
NEUROLOGY, 1998, 51 (06) :1613-1616
[8]   Diffusion tensor MR imaging of the human brain [J].
Pierpaoli, C ;
Jezzard, P ;
Basser, PJ ;
Barnett, A ;
DiChiro, G .
RADIOLOGY, 1996, 201 (03) :637-648
[9]   New reasons for early use of MRI in stroke [J].
Prichard, JW ;
Grossman, RI .
NEUROLOGY, 1999, 52 (09) :1733-1736
[10]   MRI demonstration of Wallerian degeneration in various intracranial lesions and its clinical implications [J].
Sawlani, V ;
Gupta, RK ;
Singh, MK ;
Kohli, A .
JOURNAL OF THE NEUROLOGICAL SCIENCES, 1997, 146 (02) :103-108