[Dynamic assessment of corpus callosum and corticospinal tracts structure using diffusion-tensor XXXX in @entity21 ].

@entity1 @entity1545 @entity131 @entity717 @entity1688 @entity7994 @entity1269 @entity21
BACKGROUND: @entity21 ( @entity21 ) causes neurodegenerative processes in brain which can last weeks and months after @entity131 . Aim of this study was to assess structural changes of corpus callosum and corticospinal tracts in dynamics using diffusion-tensor magnetic resonance imaging (DT- @entity7994 ) in severe @entity21 . MATERIALS AND METHODS: 14 @entity1 with severe @entity21 (GCS < or = 8 in acute period) were examined using DT- @entity7994 . In 12 cases 1.5 Tesla device was used, in 2-3 Tesla tomography was applied. Initial studies were performed on 3rd-17th days after injury and control studies were done between 3 weeks and 33 months after injury. Outcomes were assessed using GOS 6 months after injury and later. RESULTS: MR-tractography demonstrated almost absolutely absent visualization of ascending fibers of corpus callosum 3-20 weeks after @entity1545 in 5 @entity1 with poor outcomes ( @entity717 and persistent vegetative state). Raized asymmetry of corticospinal tracts was associated with @entity1269 or @entity1688 in the same @entity1 . In 6 @entity1 with @entity717 partial loss and thinning of corpus callosum fibers were observed. In 2 @entity1 with good recovery and moderate disability repeated studies showed no severe changes in structure of corpus callosum. CONCLUSION: DT- @entity7994 presents new data about structural changes of white matter tracts in @entity131 .
