Results: 8

Current contribution of diffusion tensor imaging in the evaluation of diffuse axonal injury

Arq. neuropsiquiatr; 76 (3), 2018
ABSTRACT Traumatic brain injury (TBI) is the number one cause of death and morbidity among young adults. Moreover, survivors are frequently left with functional disabilities during the most productive years of their lives. One main aspect of TBI pathology is diffuse axonal injury, which is increasingly r...

Avaliação microestrutural do corpo caloso em pacientes com lúpus eritematoso sistêmico: um estudo por imagem de tensor de difusão pela ressonância magnética

Resumo: Determinar as alterações microestruturais do corpo caloso (CC) em pacientes com lúpus eritematoso sistêmico (LES) pelas imagens de ressonância magnética, através da técnica de tensor de difusão (DTI) e determinar associações com as manifestações clínicas e laboratoriais e com o trat...

Latent class analysis of attention and white matter correlation in children with attention-deficit/hyperactivity disorder

Braz. j. med. biol. res; 51 (11), 2018
This study aimed to explore attentional patterns among children with inattentive attention-deficit/hyperactivity disorder (ADHD-I) and children with typical development (TD), using a latent class analysis (LCA). Patterns of brain connectivity were also explored. The sample comprised 29 ADHD-I and 29 TD m...

Diffusion tensor imaging of brain white matter in Huntington gene mutation individuals

Arq. neuropsiquiatr; 75 (8), 2017
ABSTRACT Objective To evaluate the role of the involvement of white matter tracts in huntingtin gene mutation patients as a potential biomarker of the progression of the disease. Methods We evaluated 34 participants (11 symptomatic huntingtin gene mutation, 12 presymptomatic huntingtin gene mutation,...

Assessment of the diagnostic value of diffusion tensor imaging in patients with spinal cord compression: a meta-analysis

Braz. j. med. biol. res; 49 (1), 2016
We investigated the diagnostic value of the apparent diffusion coefficient (ADC) and fractional anisotropy (FA) of magnetic resonance diffusion tensor imaging (DTI) in patients with spinal cord compression (SCC) using a meta-analysis framework. Multiple scientific literature databases were exhaustively s...

Más allá del tensor de difusión: experiencia preliminar en tractografía HARDI-CSD y super-resolución en 1. 5T

Rev. chil. radiol; 19 (4), 2013
Introduction: For more than a decade the diffusion tensor imaging model has been widely used in order to resolve and represent the intracranial white-matter microanatomy. Howeverthere are numerous studies that have successfully demonstrated the limitations associated with DTI in trying to define crossing...