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Spinal cord trauma

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https://www.readbyqxmd.com/read/28087435/postmyelotomy-closure-of-spinal-cord-zip-lock-technique-an-initial-experience
#1
Daljit Singh, Shaam Bodeliwala, Hukum Singh, Anita Jagetia, Amit Mittal
Proper closure of the pia matter is necessary to restore the normal anatomy and prevent postoperative painful dysesthesia after excision of intramedullary spinal cord tumor. Two methods of closure of the pia have been described: welding technique and conventional suturing. Here, we report our initial experience with a new "pial press" or "zip-lock" technique for pial closure where pial layers are simply held together and plunged into each other with small micro tooth forceps. Advantages of the technique over other techniques are its less chances of suture related complications or trauma to the posterior column and simplicity of the technique...
January 10, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28062308/spinal-reorganization-after-bone-fracture-in-mice
#2
Silke Hirsch, Alaa Ibrahim, Laura Krämer, Fabiola Escolano-Lozano, Tanja Schlereth, Frank Birklein
: Bone fracture with subsequent immobilization of the injured limb can cause Complex Regional Pain Syndrome (CRPS) in humans. Mechanisms of CRPS are still not completely understood but bone fracture with casting in mice leads to a similar posttraumatic inflammation as seen in humans and might therefore be an analogue to human CRPS. Here we report behavioral and spinal electrophysiological changes in mice that developed swelling of the paw, warming of the skin and pain in the injured limb after bone fracture...
January 3, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28056123/the-interface-of-mechanics-and-nociception-in-joint-pathophysiology-insights-from-the-facet-temporomandibular-joints
#3
Megan M Sperry, Meagan E Ita, Sonia Kartha, Sijia Zhang, Ya-Hsin Yu, Beth Winkelstein
Chronic joint pain is a widespread problem that frequently occurs with aging and trauma. Pain occurs most often in synovial joints, the body's load bearing joints. The mechanical and molecular mechanisms contributing to synovial joint pain are reviewed using two examples, the cervical spinal facet joints and temporomandibular joint. Although much work has focused on the macroscale mechanics of joints in health and disease, the combined influence of tissue mechanics, molecular processes, and nociception in joint pain has only recently become a focus...
January 5, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28053621/clinical-and-magnetic-resonance-imaging-features-of-compressive-cervical-myelopathy-with-traumatic-intervertebral-disc-herniation-in-cynomolgus-macaque-macaca-fascicularis
#4
Yun-Jung Choi, Hye-Jin Park, Chul-Ho Sohn, Kyeong Cheon Jung, Seong Hoe Park, Jae-Il Lee
Intervertebral disc herniation (IVDH) with nucleus pulposus extrusion, traumatic or not, is a devastating clinical condition accompanied by neurological problems. Here we report a cynomolgus macaque suffering from acute and progressive neurological dysfunction by a blunt trauma due to neck collar, an animal handling device. Tetraplegia, urinary incontinence, decreased proprioception, and imperception of pain were shown on physical and neurological examinations. MRI sagittal T2 weighted sequences revealed an extensive protrusion of disc material between C2 and C3 cervical vertebra, and this protrusion resulted in central stenosis of the spinal cord...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28052526/effectiveness-of-a-multi-layer-foam-dressing-in-preventing-sacral-pressure-ulcers-for-the-early-acute-care-of-patients-with-a-traumatic-spinal-cord-injury-comparison-with-the-use-of-a-gel-mattress
#5
Andréane Richard-Denis, Cynthia Thompson, Jean-Marc Mac-Thiong
Individuals with spinal cord injury are at risk of sacral pressure ulcers due to, among other reasons, prolonged immobilisation. The effectiveness of a multi-layer foam dressing installed pre-operatively in reducing sacral pressure ulcer occurrence in spinal cord injured patients was compared to that of using a gel mattress, and stratified analyses were performed on patients with complete tetraplegia and paraplegia. Socio-demographic and clinical data were collected from 315 patients admitted in a level-I trauma centre following a spinal cord injury between April 2010 and March 2016...
January 4, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28050455/outcomes-of-short-segment-posterior-instrumentation-in-unstable-thoracolumbar-fractures
#6
Sharvil H Gajjar, Hari J Menon, Nitin Chaudhari, Vipul Chaudhari
INTRODUCTION: The spinal traumas are common and leading problem in orthopaedics practice. The individuals are at a risk of high energy trauma in modern era. Unstable thoracolumbar burst fractures are serious injuries of concern, if left untreated may result in marked morbidity and disability to the patient. Thoracolumbar is the second most common segment involved in the spinal cord following spinal injuries followed by cervical segment. The goal of treatment of any spinal injury is restoration of the patient to maximum possible function with disability free life...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28032702/thoracic-endoscopic-assisted-mini-open-surgery-for-thoracic-and-thoracolumbar-spinal-cord-compression
#7
Bao-Shan Xu, Hai-Wei Xu, Qiu-Ming Yuan, Yue Liu, Qiang Yang, Hong-Feng Jiang, Dong-Bin Wang, Ning Ji, Xin-Long Ma, Yang Zhang
Intervertebral disc herniation is a common cause of spinal cord compression, especially for the thoracic and thoracolumbar spinal cord, which has limited buffer space in the spinal canal. Spinal cord compression usually causes decreased sensation and paralysis of limbs below the level of compression, urinary and fecal incontinence, and/or urinary retention, which brings great suffering to the patients and usually requires surgical intervention. Thoracotomy or abdominothoracic surgery is usually performed for the thoracolumbar cord compression caused by hard intervertebral disc herniation...
November 2016: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28032293/spatiotemporal-patterns-of-ring1-expression-after-rat-spinal-cord-injury
#8
Hanzhang Liu, Wei Ji, Peipei Gong, Chun Liu, Chengwei Duan, Yilu Gao, Xiaojuan Liu, Dongmei Zhang, Shunxing Zhu, Leilei Gong
Ring finger protein 1 (RING1) is a RING domain characterized protein belonging to the RING finger family. It is an E3 ubiquitin-protein ligase that mediated monoubiquitination of histone H2A and the core component of PRC1 complex, which is the repressive multiprotein complex of Polycomb group (PcG). Previous studies showed the important tumorigenic role of RING1 via promoting cell proliferation and the crucial function in maintaining transcriptional program stability during development. However, its mechanism for spinal cord injury (SCI) is still unknown...
December 28, 2016: Neurochemical Research
https://www.readbyqxmd.com/read/28032120/inhibition-of-poly-adp-ribosylation-fails-to-increase-axonal-regeneration-or-improve-functional-recovery-after-adult-mammalian-cns-injury
#9
Xingxing Wang, Yuichi Sekine, Alexandra B Byrne, William B J Cafferty, Marc Hammarlund, Stephen M Strittmatter
After traumatic damage of the brain or spinal cord, many surviving neurons are disconnected, and recovery of function is limited by poor axon regeneration. Recent data have suggested that poly ADP-ribosylation plays a role in limiting axonal regrowth such that inhibition of poly (ADP-ribose) polymerase (PARP) may have therapeutic efficacy for neurological recovery after trauma. Here, we tested systemic administration of the PARP inhibitor, veliparib, and showed effective suppression of PARylation in the mouse CNS...
November 2016: ENeuro
https://www.readbyqxmd.com/read/28018284/developmental-changes-in-pain-and-spinal-immune-gene-expression-after-radicular-trauma-in-the-rat
#10
Gordon A Barr, Shaoning Wang, Christine L Weisshaar, Beth A Winkelstein
Neuropathic pain is chronic pain that develops after nerve injury and is less frequent in infants and children than in adults. Likewise, in animal models of neuropathic pain, allodynia and hyperalgesia are non-existent or attenuated in the infant, with a "switch" during development by which acute nerve injury transitions to chronic pain. Concomitant with the delay in neuropathic pain, there is a parallel delay in the ability of nerve injury to activate the immune system. Models of neuropathic pain in the infant have used various ligation methods and find that neuropathic pain does not occur under after postnatal days 21-28 (PN21-PN28), linked to activation of immune processes and developmental regulation of anti-inflammatory cytokines...
2016: Frontiers in Neurology
https://www.readbyqxmd.com/read/28011165/a-robust-and-reproducible-human-pluripotent-stem-cell-derived-model-of-neurite-outgrowth-in-a-three-dimensional-culture-system-and-its-application-to-study-neurite-inhibition
#11
Kirsty E Clarke, Daniel M Tams, Andrew P Henderson, Mathilde F Roger, Andrew Whiting, Stefan A Przyborski
The inability of neurites to grow and restore neural connections is common to many neurological disorders, including trauma to the central nervous system and neurodegenerative diseases. Therefore, there is need for a robust and reproducible model of neurite outgrowth, to provide a tool to study the molecular mechanisms that underpin the process of neurite inhibition and to screen molecules that may be able to overcome such inhibition. In this study a novel in vitro pluripotent stem cell based model of human neuritogenesis was developed...
December 20, 2016: Neurochemistry International
https://www.readbyqxmd.com/read/28005155/on-scene-treatment-of-spinal-injuries-in-motor-sports
#12
REVIEW
M Kreinest, M Scholz, P Trafford
Because spinal cord injuries can have fatal consequences for injured race car drivers, prehospital treatment of spinal injuries is a major concern in motor sports. A structured procedure for assessing trauma patients and their treatment should follow established ABCDE principles. Only then, a stable patient could be further examined and appropriate measures can be undertaken. For patients in an acute life-threatening condition, rapid transport must be initiated and should not be delayed by measures that are not indicated...
December 22, 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/27989140/enolate-forming-compounds-as-a-novel-approach-to-cytoprotection
#13
Richard M LoPachin, Brian C Geohagen, Lars Ulrik Nordstrøm, Terrence Gavin
Evidence from laboratory studies and clinical trials suggests that plant-derived polyphenolic compounds such as curcumin, resveratrol, or phloretin might be useful in the treatment of certain diseases (e.g., Alzheimer's disease) and acute tissue injury states (e.g., spinal cord trauma). However, despite this potential, the corresponding chemical instability, toxic potential, and low bioavailability of these compounds could limit their ultimate clinical relevance. We have shown that pharmacophores of curcumin (e...
December 19, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27981499/direct-conversion-of-somatic-cells-into-induced-neurons
#14
REVIEW
Na An, Huiming Xu, Wei-Qiang Gao, Hao Yang
The progressive loss and degeneration of neurons in the central nervous system (CNS), as a result of traumas or diseases including Alzheimer's, Parkinson's, Huntington's disease, stroke, and traumatic injury to the brain and spinal cord, can usually have devastating effects on quality of life. The current strategies available for treatments are described including drug delivery, surgery, electrical stimulation, and cell-based tissue engineering approaches. However, apart from cell-based therapy, other attempts are limited in improving clinical outcomes...
December 16, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27979630/cervical-spinal-cord-injury-without-computed-tomography-evidence-of-trauma-sciwoctet-in-adults-mri-prognostic-factors
#15
Rafael Martinez-Perez, Pablo M Munarriz, Igor Paredes, Javier Cotrina, Alfonso Lagares
BACKGROUND: and Purpose: Spinal Cord Injury without Computed Tomography evidence of Trauma (SCIWOCTET) is underreported in adults and is considered a subtype of SCI with relatively good outcomes. Despite this, few studies have been performed to determine specific imaging-related prognostic factors. Our objective is to describe the imaging characteristics of patients experiencing blunt cervical spine trauma with neurological deficits, but without radiological abnormalities and associated prognostic factors...
December 12, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27939751/estimating-axonal-strain-and-failure-following-white-matter-stretch-using-contactin-associated-protein-as-a-fiduciary-marker
#16
Sagar Singh, Assimina A Pelegri, David I Shreiber
Axonal injury occurs during trauma when tissue-scale loads are transferred to individual axons. Computational models are used to understand this transfer and predict the circumstances that cause injury. However, these findings are limited by a lack of validating experimental work examining the mechanics of axons in their in situ state. As a first step towards validation for dynamic stretch, we use contactin-associated protein (Caspr), expressed at the nodes of Ranvier, as a fiduciary marker of quasistatic axonal stretch...
January 25, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27934789/a-3d-map-of-the-hindlimb-motor-representation-in-the-lumbar-spinal-cord-in-sprague-dawley-rats
#17
Jordan A Borrell, Shawn B Frost, Jeremy Peterson, Randolph J Nudo
OBJECTIVE: Spinal cord injury (SCI) is a devastating neurological trauma with a prevalence of about 282 000 people living with an SCI in the United States in 2016. Advances in neuromodulatory devices hold promise for restoring function by incorporating the delivery of electrical current directly into the spinal cord grey matter via intraspinal microstimulation (ISMS). In such designs, detailed topographic maps of spinal cord outputs are needed to determine ISMS locations for eliciting hindlimb movements...
December 9, 2016: Journal of Neural Engineering
https://www.readbyqxmd.com/read/27928148/acute-transverse-myelitis-associated-with-salmonella-bacteremia-a-case-report
#18
Mary E Richert, Hillary Hosier, Adam S Weltz, Eric S Wise, Manjari Joshi, Jose J Diaz
BACKGROUND Acute transverse myelitis (ATM) is an uncommon and often overlooked complication of certain bacterial and viral infections that can have a rapid onset and result in severe neurological deficits.  CASE REPORT This case report describes a previously healthy 28-year-old woman who presented to the trauma center after developing acute paralysis and paresthesias of all four extremities within the span of hours. The initial presumptive diagnosis was spinal cord contusion due to a fall versus an unknown mechanism of trauma, but eventual laboratory studies revealed Salmonella bacteremia, indicating a probable diagnosis of parainfectious ATM...
December 8, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27926492/the-cross-talk-between-autophagy-and-endoplasmic-reticulum-stress-in-blood-spinal-cord-barrier-disruption-after-spinal-cord-injury
#19
Yulong Zhou, Yanqing Wu, Yanlong Liu, Zili He, Shuang Zou, Qingqing Wang, Jiawei Li, Zengming Zheng, Jian Chen, Fenzan Wu, Fanhua Gong, Hongyu Zhang, Huazi Xu, Jian Xiao
Spinal cord injury induces the disruption of blood-spinal cord barrier and triggers a complex array of tissue responses, including endoplasmic reticulum (ER) stress and autophagy. However, the roles of ER stress and autophagy in blood-spinal cord barrier disruption have not been discussed in acute spinal cord trauma. In the present study, we respectively detected the roles of ER stress and autophagy in blood-spinal cord barrier disruption after spinal cord injury. Besides, we also detected the cross-talking between autophagy and ER stress both in vivo and in vitro...
2, 2016: Oncotarget
https://www.readbyqxmd.com/read/27921020/epidemiology-of-cervical-spine-fractures
#20
Mahnaz Yadollahi, Shahram Paydar, Haleh Ghaem, Mohammad Ghorbani, Seyed Mohsen Mousavi, Ali Taheri Akerdi, Eimen Jalili, Mohammad Hadi Niakan, Hossein Ali Khalili, Ali Haghnegahdar, Shahram Bolandparvaz
BACKGROUND: Epidemiology of cervical spine fractures (CSfx) in trauma patients of general population is not yet exclusively known. OBJECTIVES: The purpose of this study was to evaluate the epidemiology of CSfx in trauma patients. PATIENTS AND METHODS: Data from trauma patients admitted in the emergency room (ER) of Shiraz Shahid Rajaei hospital during the 3.5 years period from September 22, 2009 to March 21, 2013, were gathered. All trauma patients with CSfx and/or spinal cord injuries were included in the study...
July 2016: Trauma Monthly
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