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Restorative neurology

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https://www.readbyqxmd.com/read/29786114/endothelium-dependent-vasodilation-in-the-cerebral-arterioles-of-rats-deteriorates-during-acute-hyperglycemia-and-then-is-restored-by-reducing-the-glucose-level
#1
Kazuhiro Kito, Kumiko Tanabe, Koji Sakata, Naokazu Fukuoka, Kiyoshi Nagase, Mami Iida, Hiroki Iida
PURPOSE: Acute hyperglycemia in patients with traumatic brain injury correlates with a poor neurological outcome. We investigated the endothelium function of rat cerebral arterioles during acute hyperglycemia and after reducing the glucose levels using insulin. We also examined whether or not oxidative stress was involved in the cerebral arteriole response to acute hyperglycemia. METHODS: In isoflurane-anesthetized, mechanically ventilated rats, we used closed cranial window preparation to measure the changes in the pial arteriolar diameter following the topical application of acetylcholine (ACh) or adenosine...
May 21, 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29781731/neuropsychologists-as-primary-care-providers-of-cognitive-health-a-novel-comprehensive-cognitive-wellness-service-delivery-model
#2
Patricia A Pimental, John B O'Hara, Jessica L Jandak
By virtue of their extensive knowledge base and specialized training in brain-behavior relationships, neuropsychologists are especially poised to execute a unique broad-based approach to overall cognitive wellness and should be viewed as primary care providers of cognitive health. This article will describe a novel comprehensive cognitive wellness service delivery model including cognitive health, anti-aging, lifelong wellness, and longevity-oriented practices. These practice areas include brain-based cognitive wellness, emotional and spiritually centric exploration, and related multimodality health interventions...
July 2018: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/29780895/salvage-procedure-using-a-chimney-endograft-for-early-cerebral-ischaemia-after-hybrid-aortic-arch-repair-of-a-primary-aorto-bronchial-fistula
#3
M Cappelle, V Coppin, H Thieren, G Maleux, I Fourneau
Introduction: Hybrid aortic arch repair for the treatment of aorto-bronchial fistulas has been suggested as a safe alternative to open repair. However, surgical morbidity and mortality are still significant and re-intervention is sometimes inevitable. Report: Successful rescue by a hybrid approach is reported in a 76 year old woman who was transferred from another centre with recurrent episodes of left hemiplegia shortly after debranching of the supra-aortic vessels and thoracic aortic stent grafting for an aorto-bronchial fistula associated with a true aneurysm at the level of origin of the left subclavian artery...
2018: EJVES Short Reports
https://www.readbyqxmd.com/read/29775977/-rehabilitation-after-traumatic-fracture-of-thoracic-and-lumbar-spine
#4
Hartmut Bork, Stefan Simmel, Eckhardt Böhle, Ulrich Ernst, Klaus Fischer, Bernd Fromm, Jean-Jacques Glaesener, Bernhard Greitemann, P Krause, S Panning, V Pullwitt, J Schmidt, Andreas Veihelmann, Lutz Vogt
On the basis of the S2-k guideline "Rehabilitation after traumatic fractures of the thoracic und lumbar spine without neurologic disorder", this article gives an overview of target-oriented rehabilitation of patients with minor fractures or those with column stability and unstable spinal fractures which are stabilised by surgery. To obtain early social and job related reintegration, outpatient or inpatient rehabilitation has to start immediately after treatment in hospital. Rehabilitation must be orientated towards the biopsychosocial model of ICF and has to be adapted for the patient...
May 18, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29774557/diabetes-induced-microvascular-complications-at-the-level-of-the-spinal-cord-a-contributing-factor-in-diabetic-neuropathic-pain
#5
N Ved, M E Da Vitoria Lobo, S M Bestall, C L Vidueira, N Beazley-Long, K Ballmer-Hofer, M Hirashima, D O Bates, L F Donaldson, R P Hulse
Abnormalities of neurovascular interactions within the central nervous system of diabetic patients is associated with the onset of many neurological disease states. However, to date, the link between the neurovascular network within the spinal cord and regulation of nociception has not been investigated despite neuropathic pain being common in diabetes. We hypothesised that hyperglycaemia-induced endothelial degeneration in the spinal cord, due to suppression of VEGF-A/VEGFR2 signalling, induces diabetic neuropathic pain...
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29771335/loss-of-fragile-x-protein-fmrp-impairs-homeostatic-synaptic-downscaling-through-tumor-suppressor-p53-and-ubiquitin-e3-ligase-nedd4-2
#6
Kwan Young Lee, Kathryn A Jewett, Hee Jung Chung, Nien-Pei Tsai
Synaptic scaling allows neurons to homeostatically readjust synaptic strength upon chronic neural activity perturbations. Although altered synaptic scaling has been implicated to underlie imbalanced brain excitability in neurological disorders such as autism spectrum disorders and epilepsy, the molecular dysregulation and restoration of synaptic scaling in those diseases have not been demonstrated. Here, we showed that the homeostatic synaptic downscaling is absent in the hippocampal neurons of Fmr1 KO mice, the mouse model of the most common inherited autism, Fragile X Syndrome (FXS)...
May 16, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29771310/fingolimod-phosphate-inhibits-astrocyte-inflammatory-activity-in-mucolipidosis-iv
#7
Laura Weinstock, Amanda M Furness, Shawn Herron, Sierra S Smith, Sitara Sankar, Samantha G DeRosa, Dadi Gao, Molly E Mepyans, Anna Scotto Rosato, Diego L Medina, Ayelet Vardi, Natalia S Ferreira, Soo Min Cho, Anthony H Futerman, Susan A Slaugenhaupt, Levi B Wood, Yulia Grishchuk
Mucolipidosis IV (MLIV) is an orphan neurodevelopmental disease that causes severe neurologic dysfunction and loss of vision. Currently there is no therapy for MLIV. It is caused by loss of function of the lysosomal channel mucolipin-1, also known as TRPML1. Knockout of the Mcoln1 gene in a mouse model mirrors clinical and neuropathological signs in humans. Using this model, we previously observed robust activation of microglia and astrocytes in early symptomatic stages of disease. Here we investigate the consequence of mucolipin-1 loss on astrocyte inflammatory activation in vivo and in vitro and apply a pharmacological approach to restore Mcoln1-/- astrocyte homeostasis using a clinically approved immunomodulator, fingolimod...
May 16, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29770505/poor-self-reported-sleep-quality-and-health-related-quality-of-life-in-patients-with-chronic-fatigue-syndrome-myalgic-encephalomyelitis
#8
Jesús Castro-Marrero, Maria C Zaragozá, Sergio González-Garcia, Luisa Aliste, Naia Sáez-Francàs, Odile Romero, Alex Ferré, Tomás Fernández de Sevilla, José Alegre
Non-restorative sleep is a hallmark symptom of chronic fatigue syndrome/myalgic encephalomyelitis. However, little is known about self-reported sleep disturbances in these subjects. This study aimed to assess the self-reported sleep quality and its impact on quality of life in a Spanish community-based chronic fatigue syndrome/myalgic encephalomyelitis cohort. A prospective cross-sectional cohort study was conducted in 1,455 Spanish chronic fatigue syndrome/myalgic encephalomyelitis patients. Sleep quality, fatigue, pain, functional capacity impairment, psychopathological status, anxiety/depression and health-related quality of life were assessed using validated subjective measures...
May 16, 2018: Journal of Sleep Research
https://www.readbyqxmd.com/read/29769288/targeted-complement-inhibition-salvages-stressed-neurons-and-inhibits-neuroinflammation-after-stroke-in-mice
#9
Ali Alawieh, E Farris Langley, Stephen Tomlinson
Ischemic stroke results from the interruption of blood flow to the brain resulting in long-term motor and cognitive neurological deficits, and it is a leading cause of death and disability. Current interventions focus on the restoration of blood flow to limit neuronal death, but these treatments have a therapeutic window of only a few hours and do not address post-stroke cerebral inflammation. The complement system, a component of the innate immune system, is activated by natural immunoglobulin M (IgM) antibodies that recognize neoepitopes expressed in the brain after ischemic stroke...
May 16, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29768974/brain-phospholipid-precursors-administered-post-injury-reduce-tissue-damage-and-improve-neurological-outcome-in-experimental-traumatic-brain-injury
#10
Orli Thau-Zuchman, Rita Noutel Gomes, Simon Christopher Dyall, Meirion Davis, John V Priestley, Martine Groenendijk, Martijn DE Wilde, Jordi Lopez-Tremoleda, Adina T Michael-Titus
Traumatic brain injury (TBI) leads to cellular loss, destabilisation of membranes, disruption of synapses and altered brain connectivity, and increased risk of neurodegenerative disease. A significant and long-lasting decrease in phospholipids (PL), essential membrane constituents, has recently been reported in plasma and brain tissue, in human and experimental TBI. We hypothesised that supporting PL synthesis post-injury could improve outcome after TBI. We tested this hypothesis using a multi-nutrient combination designed to support the biosynthesis of phospholipids and available for clinical use...
May 17, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29768359/case-report-of-gastric-distension-due-to-superior-mesenteric-artery-syndrome-mimicking-hollow-viscus-perforation-considerations-in-critical-care-ultrasound
#11
Yan-Mei Feng, Dong Wan, Rui Guo
RATIONALE: Critical care ultrasound identifies the signs of free intraperitoneal air and echogenic free fluid always indicates hollow viscus perforation (HVP) and needs immediate surgical interventions. However, in rare cases, these classic signs may also mislead proper clinical decisions. We report perforated viscus associated large peritoneal effusion with initial critical care ultrasound findings, whereas computed tomography (CT) examination confirmed a giant stomach due to superior mesenteric artery syndrome (SMAS)...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29763712/cerebral-tissue-oximetry-levels-during-prehospital-management-of-cardiac-arrest-a-prospective-observational-study
#12
Gregor Prosen, Strnad Matej, Stephanie J Doniger, Andrej Markota, Andraž Stožer, Vesna Borovnik-Lesjak, Dušan Mekiš
INTRODUCTION: Near-infrared spectroscopy (NIRS) enables continuous monitoring of regional oximetry (rSO2 ). The aim of this study was to describe dynamics of regional cerebral oximetry levels during out of hospital cardiac arrest (OHCA) resuscitation, specifically around the time of restoration of spontaneous circulation (ROSC). METHODS: This prospective observational study was performed in the prehospital setting during cardio-pulmonary resuscitation (CPR) of OHCA patients...
May 12, 2018: Resuscitation
https://www.readbyqxmd.com/read/29761344/beyond-the-magic-bullet-current-progress-of-therapeutic-vaccination-in-multiple-sclerosis
#13
Barbara Willekens, Nathalie Cools
Multiple sclerosis (MS) is a chronic immune-mediated disease of the central nervous system (CNS) characterized by neuroinflammation, neurodegeneration and impaired repair mechanisms that lead to neurological disability. The crux of MS is the patient's own immune cells attacking self-antigens in the CNS, namely the myelin sheath that protects nerve cells of the brain and spinal cord. Restoring antigen-specific tolerance via therapeutic vaccination is an innovative and exciting approach in MS therapy. Indeed, leveraging the body's attempt to prevent autoimmunity, i...
May 14, 2018: CNS Drugs
https://www.readbyqxmd.com/read/29759062/inhibition-of-2-ag-hydrolysis-differentially-regulates-blood-brain-barrier-permeability-after-injury
#14
Justin R Piro, Georgette L Suidan, Jie Quan, YeQing Pi, Sharon M O'Neill, Marissa Ilardi, Nikolay Pozdnyakov, Thomas A Lanz, Hualin Xi, Robert D Bell, Tarek A Samad
BACKGROUND: Acute neurological insults caused by infection, systemic inflammation, ischemia, or traumatic injury are often associated with breakdown of the blood-brain barrier (BBB) followed by infiltration of peripheral immune cells, cytotoxic proteins, and water. BBB breakdown and extravasation of these peripheral components into the brain parenchyma result in inflammation, oxidative stress, edema, excitotoxicity, and neurodegeneration. These downstream consequences of BBB dysfunction can drive pathophysiological processes and play a substantial role in the morbidity and mortality of acute and chronic neurological insults, and contribute to long-term sequelae...
May 14, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29751775/cxcl12-engineered-endothelial-progenitor-cells-enhance-neurogenesis-and-angiogenesis-after-ischemic-brain-injury-in-mice
#15
Yaning Li, Shuang Chang, Wanlu Li, Guanghui Tang, Yuanyuan Ma, Yanqun Liu, Fang Yuan, Zhijun Zhang, Guo-Yuan Yang, Yongting Wang
BACKGROUND: Ischemic stroke causes a multitude of brain damage. Neurovascular injury and myelin sheath degradation are two manifestations of ischemic brain damage. Therapeutic strategies aiming only at repairing the neural components or the vessels cannot efficiently restore neurological function. Endothelial progenitor cells (EPCs) have the advantages of both promoting angiogenesis and secreting trophic factors that would promote neurogenesis. Chemokine cxcl12 gene therapy has also been shown to promote angiogenesis, neurogenesis, and remyelination, attracting EPCs, neural progenitor cells, and oligodendrocyte progenitor cells (OPCs) to the injured sites of the brain...
May 11, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29750875/ulinastatin-alleviates-neurological-deficiencies-evoked-by-transient-cerebral-ischemia-via-improving-autophagy-nrf-2-are-and-apoptosis-signals-in-hippocampus
#16
Xiao-Ming Jiang, Jing-Hai Hu, Lu-Lu Wang, Chi Ma, Xu Wang, Xiao-Liang Liu
Ulinastatin [or called as urinary trypsin inhibitor (UTI)] plays a role in regulating neurological deficits evoked by transient cerebral ischemia. However, the underlying mechanisms still need to be determined. The present study was to examine the effects of UTI on autophagy, Nrf2-ARE and apoptosis signal pathway in the hippocampus in the process of neurological functions after cerebral ischemia using a rat model of cardiac arrest (CA). CA was induced by asphyxia followed by cardiopulmonary resuscitation (CPR) in rats...
May 10, 2018: Physiological Research
https://www.readbyqxmd.com/read/29749881/reversible-ventriculoperitoneal-shunt-dysfunction-and-chronic-constipation-case-report
#17
Barbara A Morais, Daniel D Cardeal, Fernanda G Andrade, Wellingson S Paiva, Hamilton Matushita, Manoel J Teixeira
Constipation can cause transient malfunction of the ventriculoperitoneal shunt (VPS). Patients with myelomeningocele or cerebral palsy are often diagnosed with hydrocephalus and constipation due to neurogenic bowel. These patients are more prone to VPS dysfunction, often requiring surgical revision. The authors report the case of a 6-year-old girl with a VPS that had been implanted due to hydrocephalus secondary to myelomeningocele. The patient was brought to the emergency department with intermittent headache, vomiting, constipation, and abdominal distension and pain...
May 11, 2018: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29741614/loss-of-cerebellar-glutamate-transporters-eaat4-and-glast-differentially-affects-the-spontaneous-firing-pattern-and-survival-of-purkinje-cells
#18
Emma M Perkins, Yvonne L Clarkson, Daumante Suminaite, Alastair R Lyndon, Kohichi Tanaka, Jeffrey D Rothstein, Paul Skehel, David J A Wyllie, Mandy Jackson
Loss of excitatory amino acid transporters (EAATs) has been implicated in a number of human diseases including spinocerebellar ataxias, Alzhiemer's disease and motor neuron disease. EAAT4 and GLAST/EAAT1 are the two predominant EAATs responsible for maintaining low extracellular glutamate levels and preventing neurotoxicity in the cerebellum, the brain region essential for motor control. Here using genetically modified mice we identify new critical roles for EAAT4 and GLAST/EAAT1 as modulators of Purkinje cell (PC) spontaneous firing patterns...
May 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29739265/therapeutic-hypothermia-promotes-cerebral-blood-flow-recovery-and-brain-homeostasis-after-resuscitation-from-cardiac-arrest-in-a-rat-model
#19
Qihong Wang, Peng Miao, Hiren R Modi, Sahithi Garikapati, Raymond C Koehler, Nitish V Thakor
Laboratory and clinical studies have demonstrated that therapeutic hypothermia (TH), when applied as soon as possible after resuscitation from cardiac arrest (CA), results in better neurological outcome. This study tested the hypothesis that TH would promote cerebral blood flow (CBF) restoration and its maintenance after return of spontaneous circulation (ROSC) from CA. Twelve Wistar rats resuscitated from 7-min asphyxial CA were randomized into two groups: hypothermia group (7 H, n = 6), treated with mild TH (33-34℃) immediately after ROSC and normothermia group (7 N, n = 6,37...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29734653/the-janus-face-of-vegf-in-stroke
#20
REVIEW
Samuel J Geiseler, Cecilie Morland
The family of vascular endothelial growth factors (VEGFs) are known for their regulation of vascularization. In the brain, VEGFs are important regulators of angiogenesis, neuroprotection and neurogenesis. Dysregulation of VEGFs is involved in a large number of neurodegenerative diseases and acute neurological insults, including stroke. Stroke is the main cause of acquired disabilities, and normally results from an occlusion of a cerebral artery or a hemorrhage, both leading to focal ischemia. Neurons in the ischemic core rapidly undergo necrosis...
May 4, 2018: International Journal of Molecular Sciences
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