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https://www.readbyqxmd.com/read/29155421/characterization-of-neural-stem-cells-modified-with-hypoxia-neuron-specific-vegf-expression-system-for-spinal-cord-injury
#1
Y Yun, J Oh, Y Kim, G Kim, M Lee, Y Ha
Spinal cord injury (SCI) is an incurable disease causing an ischemic environment and functional defect, thus a new therapeutic approach is needed for SCI treatment. Vascular endothelial growth factor (VEGF) is a potent therapeutic gene to treat SCI via angiogenesis and neuroprotection, and both tissue-specific gene expression and high gene delivery efficiency are important for successful gene therapy. Here we design the hypoxia/neuron dual-specific gene expression system (pEpo-NSE) and efficient gene delivery platform can be achieved by the combination ex vivo gene therapy with erythropoietin (Epo) enhancer, neuron-specific enolase (NSE) promoter and neural stem cells (NSCs)...
November 20, 2017: Gene Therapy
https://www.readbyqxmd.com/read/29155343/health-outcomes-and-costs-of-acute-traumatic-spinal-injury-in-new-south-wales-australia
#2
Rebecca Mitchell, Lara Harvey, Ralph Stanford, Jacqueline Close
BACKGROUND CONTEXT: Traumatic spinal injuries are often associated with both long-term disability, higher frequency of hospital readmissions and high medical costs for individuals of all ages. Age differences in terms of injury profile and health outcomes among those who sustain a spinal cord injury have been identified. However, factors that may influence health outcomes among those with a spinal injury have not been extensively examined at a population-level. PURPOSE: To describe the characteristics of traumatic spinal injury, identify factors predictive of mortality; and estimate the cost of hospital treatment for younger and older people...
November 16, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29153706/load-sharing-in-the-lumbosacral-spine-in-neutral-standing-flexed-postures-a-combined-finite-element-and-inverse-static-study
#3
Tao Liu, Kinda Khalaf, Sadegh Naserkhaki, Marwan El-Rich
Understanding load-sharing in the spine during in-vivo conditions is critical for better spinal implant design and testing. Previous studies of load-sharing that considered actual spinal geometry applied compressive follower load, with or without moment, to simulate muscle forces. Other studies used musculoskeletal models, which include muscle forces, but model the discs by simple beams or spherical joints and ignore the articular facet joints. This study investigated load-sharing in neutral standing and flexed postures using a detailed Finite Element (FE) model of the ligamentous lumbosacral spine, where muscle forces, gravity loads and intra-abdominal pressure, as predicted by a musculoskeletal model of the upper body, are input into the FE model...
November 6, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29152227/promising-neuroprotective-strategies-for-traumatic-spinal-cord-injury-with-a-focus-on-the-differential-effects-among-anatomical-levels-of-injury
#4
REVIEW
Antigona Ulndreaj, Anna Badner, Michael G Fehlings
Traumatic spinal cord injury (SCI) is a devastating condition of motor, sensory, and autonomic dysfunction. The significant cost associated with the management and lifetime care of patients with SCI also presents a major economic burden. For these reasons, there is a need to develop and translate strategies that can improve outcomes following SCI. Given the challenges in achieving regeneration of the injured spinal cord, neuroprotection has been at the forefront of clinical translation. Yet, despite many preclinical advances, there has been limited translation into the clinic apart from methylprednisolone (which remains controversial), hypertensive therapy to maintain spinal cord perfusion, and early decompressive surgery...
2017: F1000Research
https://www.readbyqxmd.com/read/29151570/a-case-report-of-refractory-notalgia-paresthetica-treated-with-lidocaine-infusions
#5
Yaroslava Chtompel, Marzieh Eghtesadi, Grisell Vargas-Schaffer
BACKGROUND Notalgia paresthetica is a neuropathic condition that manifests as a chronic itch in the thoraco-dorsal region. It is often resistant to treatment, and specific guidelines for its management are lacking. As such, we present a treatment approach with intravenous lidocaine infusions. CASE REPORT The case involves a 50-year-old woman with spinal cord injury caused by an epidural abscess. The patient developed notalgia paresthetica and sublesional neuropathic pain following its drainage. In the course of her pain management, she was treated with intravenous lidocaine which resulted in profound relief of notalgia paresthetica...
November 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/29151015/diffuse-idiopathic-skeletal-hyperostosis-dish-as-a-cause-of-failure-following-distal-clavicle-excision-a-case-report-and-review-of-the-literature
#6
John Begly, Vineet Tyagi, Eric Strauss
Diffuse idiopathic skeletal hyperostosis (DISH) is common spinal condition characterized by increased calcification and ossification of ligaments and entheses, typically in the anterior aspect of the spine. However, extraspinal manifestations of the disease can occur and depending on the degree and location of involvement, may become symptomatic. We present the case of a 63-year-old male with a history of DISH, who failed initial open distal clavicle excision due to the postoperative development of heterotopic bone bridging across the acromioclavicular joint...
December 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/29150995/efficacy-and-safety-of-extracranial-vein-angioplasty-in-multiple-sclerosis-a-randomized-clinical-trial
#7
Paolo Zamboni, Luigi Tesio, Stefania Galimberti, Luca Massacesi, Fabrizio Salvi, Roberto D'Alessandro, Patrizia Cenni, Roberto Galeotti, Donato Papini, Roberto D'Amico, Silvana Simi, Maria Grazia Valsecchi, Graziella Filippini
Importance: Chronic cerebrospinal venous insufficiency (CCSVI) is characterized by restricted venous outflow from the brain and spinal cord. Whether this condition is associated with multiple sclerosis (MS) and whether venous percutaneous transluminal angioplasty (PTA) is beneficial in persons with MS and CCSVI is controversial. Objective: To determine the efficacy and safety of venous PTA in patients with MS and CCSVI. Design, Setting, and Participants: We analyzed 177 patients with relapsing-remitting MS; 62 were ineligible, including 47 (26...
November 18, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29150951/inflammasome-its-role-in-traumatic-brain-and-spinal-cord-injury
#8
REVIEW
Keywan Mortezaee, Neda Khanlarkhani, Cordian Beyer, Adib Zendedel
Traumatic brain injury (TBI) and spinal cord injury (SCI) are pathological events that lead to neuropathological conditions which have in consequence the initiation of pro-inflammatory cytokine production. Neuroinflammation plays a key role in the secondary phase of both TBI and SCI after initial cell death. Activation of cytoplasmic inflammasome complexes is regarded as the essential step of neuroinflammation and a key trigger for neuronal death called pyroptosis. Inflammasome complexes are involved in activation of caspase-1 which catalyzes the cleavage of pro-interleukins into their active forms (including interleukin-18 (IL-18) and IL-1β)...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29149236/mutations-affecting-glycinergic-neurotransmission-in-hyperekplexia-increase-pain-sensitivity
#9
Pascal Henri Vuilleumier, Raphael Fritsche, Jürg Schliessbach, Bernhard Schmitt, Lars Arendt-Nielsen, Hanns Ulrich Zeilhofer, Michele Curatolo
Inhibitory interneurons in the spinal cord use glycine and GABA for fast inhibitory neurotransmission. While there is abundant research on these inhibitory pain pathways in animal models, their relevance in humans remains unclear, largely due to the limited possibility to manipulate selectively these pathways in humans. Hyperekplexia is a rare human disease that is caused by loss-of-function mutations in genes encoding for glycine receptors and glycine transporters. In the present study, we tested whether hyperekplexia patients display altered pain perception or central pain modulation compared with healthy subjects...
November 15, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29149152/loss-of-efficacy-to-spinal-cord-stimulator-therapy-clinical-evidence-and-possible-causes
#10
Christopher M Aiudi, Roger Y Dunn, Sara M Burns, Sarah A Roth, Arissa Opalacz, Yi Zhang, Lucy Chen, Jianren Mao, Shihab U Ahmed
BACKGROUND: Although spinal cord stimulation (SCS) therapy has been shown to be efficacious in various pain conditions, the ability for SCS therapy to maintain long-term efficacy has been questioned. OBJECTIVE: The purpose of this study was to investigate whether a loss of efficacy (LOE) phenomenon exists with SCS therapy and to investigate if this phenomenon is more apparent in any specific patient population. STUDY DESIGN: A retrospective, observation chart review was conducted to evaluate the patient response to SCS therapy over time...
November 2017: Pain Physician
https://www.readbyqxmd.com/read/29148129/development-of-functional-electrical-stimulation-rowing-the-rowstim-series
#11
Brian Andrews, Robin Gibbons, Garry Wheeler
Potentially, functional electrical stimulation (FES)-assisted exercise may have an important therapeutic role in reducing comorbidities associated with spinal cord injury (SCI). Here, we present an overview of these secondary life-threatening conditions, discuss the rationale behind the development of a hybrid exercise called FES rowing, and describe our experience in developing FES rowing technology. FES rowing and sculling are unique forms of adaptive rowing for those with SCI. The paralyzed leg musculature is activated by multiple channels of electrical pulses delivered via self-adhesive electrodes attached to the skin...
November 2017: Artificial Organs
https://www.readbyqxmd.com/read/29148104/neuregulin-1-promotes-remyelination-and-fosters-a-pro-regenerative-inflammatory-response-in-focal-demyelinating-lesions-of-the-spinal-cord
#12
Hardeep Kataria, Arsalan Alizadeh, Ghazaleh M Shahriary, Shekoofeh Saboktakin Rizi, Ryan Henrie, Kallivalappil T Santhosh, James A Thliveris, Soheila Karimi-Abdolrezaee
Oligodendroglial cell death and demyelination are hallmarks of neurotrauma and multiple sclerosis that cause axonal damage and functional impairments. Remyelination remains a challenge as the ability of endogenous precursor cells for oligodendrocyte replacement is hindered in the unfavorable milieu of demyelinating conditions. Here, in a rat model of lysolecithin lysophosphatidyl-choline (LPC)-induced focal demyelination, we report that Neuregulin-1 (Nrg-1), an important factor for oligodendrocytes and myelination, is dysregulated in demyelinating lesions and its bio-availability can promote oligodendrogenesis and remyelination...
November 17, 2017: Glia
https://www.readbyqxmd.com/read/29147083/spinal-cord-stimulation-in-failed-back-surgery-syndrome-effects-on-posture-and-gait-a-preliminary-3d-biomechanical-study
#13
L Brugliera, A De Luca, S Corna, M Bertolotto, G A Checchia, M Cioni, P Capodaglio, C Lentino
We studied 8 patients with spinal cord stimulation (SCS) devices which had been previously implanted to treat neuropathic chronic pain secondary to Failed Back Surgery Syndrome. The aim of our study was to investigate the effects of SCS on posture and gait by means of clinical scales (Short Form Health Survey-36, Visual Analogue Scale for pain, and Hamilton Depression Rating Scale) and instrumented evaluation with 3D Gait Analysis using a stereophotogrammetric system. The latter was performed with the SCS device turned both OFF and ON...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/29146706/the-clinical-and-laboratory-evaluation-of-familial-hemophagocytic-lymphohistiocytosis-and-the-importance-of-hepatic-and-spinal-cord-involvement-a-single-center-experience
#14
Burcin Beken, Selin Aytac, Gunay Balta, Baris Kuskonmaz, Duygu Uckan, Sule Unal, Mualla Cetin, Fatma Gumruk
Familial hemophagocytic lymphohistiocytosis is an autosomal recessive, life-threatening condition characterized by defective immune response. A retrospective analysis was performed on 57 patients diagnosed with familial hemophagocytic lymphohistiocytosis at Hacettepe University Pediatric Hematology Department. Mutation analysis was performed on 37 patients and of these; 11 had UNC13D, 10 had PRF1 and 3 had STX11 gene mutation. Of these patients 44% were found to have central nervous system involvement on admission and spinal cord involvement was also seen in 5 patients...
November 16, 2017: Haematologica
https://www.readbyqxmd.com/read/29146678/cross-organ-sensitisation-between-the-colon-and-bladder-to-pee-or-not-to-pee
#15
Luke Grundy, Stuart M Brierley
Chronic abdominal and pelvic pain are common, debilitating clinical conditions experienced by millions of patients around the globe. The origin of such pain commonly arises from the intestine and bladder, which share common primary roles; the collection, storage and expulsion of waste. These visceral organs are located in close proximity to one another, and also share common innervation from spinal afferent pathways. Chronic abdominal pain, constipation or diarrhoea are primary symptoms for patients with Irritable Bowel Syndrome (IBS) or Inflammatory Bowel Disease (IBD)...
November 16, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29144108/graphical-modeling-a-tool-for-describing-and-understanding-the-functioning-of-people-living-with-a-health-condition
#16
Cristina Ehrmann, Jerome Bickenbach, Gerold Stucki
Rehabilitation aims to optimize people's lived experience of health or functioning. A comprehensive understanding of people's functioning is thus fundamental for rehabilitation clinicians and scientists. Over the past ten years it has been shown that graphical modelling is a promising technique for modelling data on people's functioning. It can contribute to our understanding of the complex associations between domains of functioning and the identification of potential targets for rehabilitation interventions both at the level of the person and the environment...
November 16, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/29143997/epidermal-neural-crest-stem-cell-derived-glia-enhance-neurotrophic-elements-in-an-ex-vivo-model-of-spinal-cord-injury
#17
Sareh Pandamooz, Mohammad Saied Salehi, Mohammad Ismail Zibaii, Abolhassan Ahmadiani, Mohammad Nabiuni, Leila Dargahi
Growing evidence that cell-based therapies can improve recovery outcome in spinal cord injury (SCI) models substantiates their application for treatment of human with SCI. To address the effectiveness of these stem cells, potential candidates should be evaluated in proper SCI platform that allows direct real-time monitoring. In this study, the role of epidermal neural crest stem cells (EPI-NCSCs) was elucidated in an ex vivo model of SCI and valproic acid (VPA) was administered to ameliorate the inhospitable context of injury for grafted EPI-NCSCs...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29143126/-spinal-orthoses-in-the-treatment-of-vertebral-fractures-with-osteoporosis-a-systematic-review-article
#18
REVIEW
M Pfeifer, M Gehlen, C Hinz
This literature search concerning the potential role of spinal orthoses for rehabilitation and treatment of atraumatic vertebral fractures between Th4 and L5 with osteoporosis and without any evidence for a secondary cause, provided no evidence for the benefits of traditional rigid thoracolumbar corsets, which only had a poor compliance. In addition, there are indications that these rigid corsets may even worsen the disease condition especially in the long-term. Wearing these corsets can result in further loss of muscle mass and strength followed by loss of bone and bone mass...
November 15, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29142792/spinal-muscular-atrophy-the-treatment-approved
#19
Rabih Tabet, Sandy El Bitar, Julie Zaidan, Garbis Dabaghian
Spinal muscular atrophy (SMA) is a rare genetic neuromuscular disorder resulting in progressive muscle weakness and atrophy. It is universally fatal, especially if the respiratory muscles are involved leading to repetitive aspiration and respiratory failure. Historically, the treatment for this disease was only supportive. Herein we describe an adult patient who presented with worsening weakness and fatigue and was subsequently diagnosed with spinal muscular atrophy. Increased awareness of this condition and a new treatment modality is required...
September 2, 2017: Curēus
https://www.readbyqxmd.com/read/29142628/perioperative-results-and-complications-after-posterior-lumbar-interbody-fusion-for-spinal-stenosis-in-geriatric-patients-over-than-70-years-old
#20
Jong Min Choi, Man Kyu Choi, Sung Bum Kim
Objective: As increasing the size of the geriatric population, the number of elderly patients, who need the surgery for painful degenerative spinal stenosis has been increasing. The geriatric population may be relatively high complications, because of age and age-associated medical conditions. However, there is a lack of studies addressing the perioperative complications and outcomes in elderly patients with posterior lumbar inter body fusion with screw augmentation (PLIF). Methods: We retrospectively reviewed the medical records and radiographic studies of geriatric patients who had spine surgery of PLIF due to spinal stenosis for 11 years...
November 2017: Journal of Korean Neurosurgical Society
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