نتایج جستجو برای: diffuse axonal injury

تعداد نتایج: 396606  

Hamid Behzadnia, Mahsa Pakseresht Mogharab, Mesbah Dibavand, Mohammadreza Emamhadi, Naghmeh Khoshsima, Sasan Andalib, Zoheir Reihanian,

Background: Appropriate clinical measures to prevent secondary brain damage in traumatic brain injury are of critical importance. Objectives: This study aims to investigate the relationships between serum electrolyte disturbances and Glasgow Coma Scale (GCS) score in patients with Diffuse Axonal Injury (DAI) at the time of admission and discharge. Materials & Methods: In this retrospective cr...

Journal: :Biophysical journal 2015
Henry van den Bedem Ellen Kuhl

Traumatic brain injury is a nondegenerative, noncongenital insult to the brain caused by external mechanical forces. Recent studies suggest that even mild concussions—if repetitive—can trigger progressive neurological degeneration, a condition that is now widely known as ‘‘chronic traumatic encephalopathy’’ (1). Notably, chronic traumatic encephalopathy continues to progress even decades after ...

2010
R.J.H. Cloots J.A.W. van Dommelen S. Kleiven M.G.D. Geers

The length scales involved in the development of diffuse axonal injury, typically range from the head level (i.e., mechanical loading) to the cellular level, where discrete axonal injuries are located near inclusions. The aim is to investigate the local axonal strains near an inclusion in relation to the tissue level strains of the brain stem during mechanical loading of the head and the result...

2011
Art Riddle Kevin X. Chen Christopher D. Kroenke

Background and Purpose—White matter injury (WMI) is the leading cause of brain injury in preterm survivors and results in myelination failure. Although axonal degeneration occurs in necrotic lesions, the role of axonopathy in myelination failure remains controversial for diffuse non-necrotic WMI, which is currently the major form of WMI. We determined the burden of axonopathy in diffuse lesions...

Journal: :Stroke 2012
Art Riddle Jennifer Maire Xi Gong Kevin X Chen Christopher D Kroenke A Roger Hohimer Stephen A Back

BACKGROUND AND PURPOSE White matter injury (WMI) is the leading cause of brain injury in preterm survivors and results in myelination failure. Although axonal degeneration occurs in necrotic lesions, the role of axonopathy in myelination failure remains controversial for diffuse non-necrotic WMI, which is currently the major form of WMI. We determined the burden of axonopathy in diffuse lesions...

Journal: :Archives of neurology 2010
Matthew A Warner Teddy S Youn Tommy Davis Alvin Chandra Carlos Marquez de la Plata Carol Moore Caryn Harper Christopher J Madden Jeffrey Spence Roderick McColl Michael Devous Richard D King Ramon Diaz-Arrastia

OBJECTIVES To determine the spatial distribution of cortical and subcortical volume loss in patients with diffuse traumatic axonal injury and to assess the relationship between regional atrophy and functional outcome. DESIGN Prospective imaging study. Longitudinal changes in global and regional brain volumes were assessed using high-resolution magnetic resonance imaging-based morphometric ana...

2012
Moslem Shakeri Firooz Salehpour Ali Ahmadvand Rozita Jafari Abdolrasoul Safaiyan Ali Meshkini

Background: Previous studies have shown that magnesium sulfate (MgSO4) administered in a patient with a diffuse axonal injury (DAI) can serve as a useful neuroprotective agent. The present study was conducted to examine whether magnesium sulfate has a therapeutic efficacy and safety in patients with a severe diffuse axonal injury. Methods: Adult patients admitted within 1 hour of a closed Traum...

Journal: :Journal of Nippon Medical School = Nippon Ika Daigaku zasshi 2007
Hiroyuki Yokota

We demonstrate that in head injuries the degree of cerebral endothelial activation or injury depends on the type of brain injury and the patients age, and that in severe head injuries measuring the serum levels of thrombomodulin (TM) and von Willebrand factor (vWF) is useful in evaluating cerebral endothelial injury and activation. The values of vWF in the cases of focal brain injury were signi...

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