نتایج جستجو برای: cord compression

تعداد نتایج: 169985  

Background and Aims: When a neuronal axon is damaged, it returns to the neuron cell body and destroys it. Tanacetum bodjnordens as antioxidant and anti-apoptotic effects. This study aimed to determine the neuroprotective effects of ethyl acetate and n-butanol and hydroalcoholic extracts of Tanacetum bodjnordens on sciatic nerve compression in male rats. Materials and Methods: In this experimen...

2012
William F. Schmalstieg Brian G. Weinshenker B. G. Weinshenker

Patients with signs and symptoms of acute myelopathy require urgent neurologic evaluation focused upon the identifi cation and management of treatable disorders. MRI of the spine is the imaging modality of choice to evaluate for a compressive lesion. When cord compression is present, surgical treatment is usually indicated. When compression is not detected, an analysis of precise lesion localiz...

Journal: :Experimental Neurology 2017
N. M. Geremia T. Hryciw F. Bao F. Streijger E. Okon J.H.T. Lee L. C. Weaver G. A. Dekaban B. K. Kwon A. Brown

We have previously reported that administration of a CD11d monoclonal antibody (mAb) improves recovery in a clip-compression model of SCI. In this model the CD11d mAb reduces the infiltration of activated leukocytes into the injured spinal cord (as indicated by reduced intraspinal MPO). However not all anti-inflammatory strategies have reported beneficial results, suggesting that success of the...

Journal: :Resuscitation 2008
Cheng-Hsing Kao Sheng-Hsien Chen Chung-Ching Chio Chen-Kuei Chang Mao-Tsun Lin

The aim of present study was to examine whether systemically delivered glial cell-derived neurotrophic factor (GDNF) was beneficial in reversing the spinal cord injury (SCI) in a spinal cord compression model. Rats were divided into three major groups: (1) sham operation (laminectomy only); (2) laminectomy+SCI+normal saline (1 ml/kg, i.v.); (3) laminectomy+SCI+GDNF (50 ng/kg, i.v.). Spinal cord...

2007
Jason Maikos JASON MAIKOS David Shreiber

Primary damage to the blood-spinal cord barrier (BSCB) is a nearly universal consequence of spinal cord injury that contributes significantly to the overall pathology. We have characterized quantitatively the extent and severity of primary, physical disruption of the BSCB in adult rats five minutes and fifteen minutes after graded trauma induced with the Impactor weight drop model of spinal cor...

Journal: :Journal of orthopaedic surgery 2004
T M Wong H B Leung W C Wong

PURPOSE To correlate the radiographic measurement, cord diameter shown on magnetic resonance imaging (MRI), and clinical hand sign of cervical myelopathic patients. METHODS Patients with clinical cervical myelopathy who had had MRI in Kwong Wah Hospital between January 2001 and December 2002 were enlisted. Their cervical spine radiographs and clinical records were reviewed. RESULTS Of 36 pa...

Journal: :AJNR. American journal of neuroradiology 2012
T Sato T Horikoshi A Watanabe M Uchida K Ishigame T Araki H Kinouchi

BACKGROUND AND PURPOSE Intramedullary high signal intensity on T2-weighted imaging was frequently observed in patients with CSM, although this finding does not well correlate with severity or prognosis of CSM. Instead of this nonquantitative information, another measure for CSM is desired. The work was focused primarily on assessing the relationships between ADC values and clinical and radiolog...

2015
Ashley McDonough Angela Monterrubio Jeanelle Ariza Verónica Martínez-Cerdeño

Compression injuries of the murine spinal cord are valuable animal models for the study of spinal cord injury (SCI) and spinal regenerative therapy. The calibrated forceps model of compression injury is a convenient, low cost, and very reproducible animal model for SCI. We used a pair of modified forceps in accordance with the method published by Plemel et al. (2008) to laterally compress the s...

2013
Bin Ma Jiangang Shi Lianshun Jia Wen Yuan Jianfeng Wu Zhiyi Fu Yuan Wang Ning Liu Zhengmao Guan

BACKGROUND Neuropathic intermittent claudication (NIC) is a typical clinical symptom of lumbar spinal stenosis and the apoptosis of neurons caused by cauda equina compression (CEC) has been proposed as an important reason. Whereas, the factors and the mechanism involved in the process of apoptosis induced by CEC remain unclear. METHODOLOGY AND RESULTS In our modified rat model of NIC, a trape...

Journal: :iranian journal of pathology 2006
madjid qolipour peinavandi maliheh khoddami

spinal cord compression due to extramedullary hematopoiesis is a well-described and rare syndrome encountered in several hematological disorders including β-thalassemia. hereby, a 37-year old pregnant woman with intermediate β -thalassemia with paraparesis and lower limb hypoesthesia was presented. mri showed soft tissue masses in both sides of thoracic paraspinal area. histologically, a mixtur...

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