نتایج جستجو برای: spinal cord ischemia

تعداد نتایج: 222911  

2011
Omar Abdel-Mannan Imran Mahmud

INTRODUCTION Acute spinal cord ischemia syndrome is a rare condition comprising a small fraction of neurovascular accidents, the majority of which occur within the cerebral circulation. The circulation of the spinal cord has several unique features that determine the clinical presentation. CASE PRESENTATION In this case of a 67-year-old Caucasian man who came to our emergency department with ...

Journal: :AJNR. American journal of neuroradiology 2015
M I Vargas J Gariani R Sztajzel I Barnaure-Nachbar B M Delattre K O Lovblad J-L Dietemann

Ischemia of the spinal cord is a rare entity with a poor prognosis. Brain ischemia is no longer a diagnostic challenge; on the contrary, ischemia of the spinal cord remains difficult, particularly in children. In this article, we illustrate the principal causes in children and adults, clinical presentation, different techniques for the diagnosis by MR imaging (diffusion, spinal MR angiography, ...

2013
Albert T. Cheung

1. Be able to identify patients undergoing thoracoabdominal aortic procedures who are at high risk of spinal cord ischemia. 2. Learn intraoperative management strategies and techniques to decrease the risk of spinal cord ischemia in patients undergoing thoracoabdominal aortic procedures. 3. Learn the indications for lumbar cerebral spinal fluid drainage in patients undergoing thoracoabdominal a...

Journal: :Journal of vascular surgery 2003
Jay K Bhama Peter H Lin Theodoros Voloyiannis Ruth L Bush Alan B Lumsden

Paraplegia or paraparesis secondary to spinal cord ischemia is an extremely rare complication after elective repair of abdominal aortic aneurysm. We report delayed paraparesis after endovascular abdominal aortic aneurysm repair in which one hypogastric artery was unintentionally occluded due to atheroembolism. A spinal catheter was immediately inserted after onset of paraplegia to promote cereb...

Journal: :Critical care medicine 2006
Yoshifumi Kudo Hirokazu Ohtaki Kenji Dohi Li Yin Tomoya Nakamachi Sakura Endo Sachiko Yofu Yutaka Hiraizumi Hideyo Miyaoka Seiji Shioda

OBJECTIVE Severe global ischemia often results in severe damage to the central nervous system of survivors. Hind-limb paralysis is a common deficit caused by global ischemia. Until recently, most studies of global ischemia of the central nervous system have examined either the brain or spinal cord, but not both. Spinal cord damage specifically after global ischemia has not been studied in detai...

Journal: :Anesthesia and analgesia 2003
Kamatham A Naidu Eugene S Fu E Truitt Sutton Leon D Prockop Alan Cantor

The pathophysiology of ischemia/reperfusion injury involves extravascular migration of leukocytes from the bloodstream to the site of injury. Leukocyte adhesion and intercellular adhesion molecule-1 (ICAM-1) play an important role in the recruitment of leukocytes to the site of injury. In this study, we evaluated the role of the ICAM-1 in spinal cord ischemia and the therapeutic effects of epid...

Journal: :Journal of orthopaedic research : official publication of the Orthopaedic Research Society 2013
Shigeru Kobayashi Hidezo Yoshizawa Seiichiro Shimada Alexander Rodríguez Guerrero Masaya Miyachi

It is generally considered that the genesis of myelopathy associated with the degenerative conditions of the spine may result from both mechanical compression and circulatory disturbance. Many references about spinal cord tissue ischemic damage can be found in the literature, but not detailed studies about spinal cord microvasculature damage related to congestion or blood permeability. This stu...

Journal: :Journal of Cardiothoracic Surgery 2009
Fany Chronidou Efstratios Apostolakis Ioannis Papapostolou Konstantinos Grintzalis Christos D Georgiou Efstratios N Koletsis Menelaos Karanikolas Panagiotis Papathanasopoulos Dimitrios Dougenis

BACKGROUND Paraplegia is the most devastating complication of thoracic or thoraco-abdominal aortic surgery. During these operations, an ischemia-reperfusion process is inevitable and the produced radical oxygen species cause severe oxidative stress for the spinal cord. In this study we examined the influence of Amifostine, a triphosphate free oxygen scavenger, on oxidative stress of spinal cord...

Journal: :General physiology and biophysics 1999
L Guller J Benuska P Mráz

Ischemic changes in neurocytes from brain and spinal cord of rats were studied by densitometric measurement of bound basic stain--methylene blue. Statistically significant differences in integrated optical density (I.O.D.) of cytoplasm near to cell nucleus in brain and spinal cord neurocytes were detected after ischemia. After 10 minutes of ischemia, the average values of I.O.D. decreased to 65...

Journal: :Journal of spine surgery 2016
Güliz Acker Ulf C Schneider Zarko Grozdanovic Peter Vajkoczy Johannes Woitzik

BACKGROUND Disc herniations are only reported in few case reports as a rare cause of acute spinal ischemia. A surgical treatment has not been described so far in these reports with analysis of diffusion weighted magnetic resonance imaging (DWI/MRI) before and after surgery. The aim of our study is to report a case of cervical spinal cord ischemia caused by cervical disc herniation and discuss t...

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