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Restorative neurology

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https://www.readbyqxmd.com/read/28549892/radial-head-arthroplasty-in-the-active-duty-military-service-member-with-minimum-2-year-follow-up
#1
John C Dunn, Nicholas A Kusnezov, Logan R Koehler, Emmanuel D Eisenstein, Kelly G Kilcoyne, Justin D Orr, Justin S Mitchell
PURPOSE: Radial head arthroplasty (RHA) is a viable treatment for complex radial head fracture. Whereas elbow stability and function is typically restored at short- to mid-term follow-up, the outcome in higher-demand populations is not well defined. We sought to characterize the functional and occupational outcomes following RHA in an active duty military population with intense upper extremity demands. METHODS: We retrospectively reviewed the records of all U.S...
May 24, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28549578/pediatric-out-of-hospital-cardiac-arrest-caused-by-left-coronary-artery-agenesis-with-primary-shockable-rhythm-a-brief-report
#2
Moritz Weigeldt, Sabine Lahmann, Konstantin Krieger, Sebastian Buttenberg, Volker Stephan, Brigitte Stiller, Dirk Stengel
BACKGROUND: To illustrate a rare cause of out-of-hospital cardiac arrest in children, its differential diagnoses, emergency and subsequent treatment at various steps in the rescue chain, and potential outcomes. CASE PRESENTATION: A 4-year-old boy with unknown agenesis of the left coronary ostium sustained out-of-hospital cardiac arrest. Bystander cardio-pulmonary resuscitation was initiated and defibrillation was performed via an automated external defibrillator (AED) shortly after paramedics arrived at the scene, restoring sinus rhythm and spontaneous circulation...
May 11, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28549560/sensorimotor-adaptation-of-whole-body-postural-control
#3
Douglas M Shiller, Louis-Nicolas Veilleux, Mikaël Marois, Laurent Ballaz, Martin Lemay
The aim of the present study was to examine the modification of postural symmetry during quiet standing using a sensorimotor adaptation paradigm. A group of neurologically typical adult participants performed a visually-guided mediolateral (left-right) weight shifting task requiring precise adjustments in body orientation. During one phase of the task, the visual feedback of center of pressure (COP) was systematically biased toward the left or the right, requiring an adjustment in posture to compensate. COP during quiet standing without visual feedback was examined prior to and immediately following the sensorimotor adaptation procedure, in order to observe whether compensatory adjustments in postural control resulting from the visual-feedback manipulation would transfer to the control of whole-body COP during quiet standing...
May 23, 2017: Neuroscience
https://www.readbyqxmd.com/read/28545786/the-associations-between-insomnia-and-health-related-quality-of-life-in-rehabilitation-units-at-1month-after-stroke
#4
Won-Hyoung Kim, Han-Young Jung, Ha-Yoon Choi, Chan-Hyuk Park, Eun-Suk Kim, Sook-Joung Lee, Sung-Hwa Ko, Soo-Yeon Kim, Kyung-Lim Joa
OBJECTIVE: The principal objective of this study was to investigate the relationship between insomnia and health-related quality of life (HRQoL) during the early stage of stroke rehabilitation. METHODS: The subjects were 214 first-time stroke patients admitted to a rehabilitation unit at one of three Korean hospitals. Within 7days after stroke, functions were evaluated using; the Berg Balance Scale, the Modified Barthel Index, the Mini Mental State Examination, the Frontal Assessment Battery, Screening Tests for Aphasia and Neurologic-Communication Disorders, and the National Institute of Health Stroke Scale...
May 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28540778/ex-vivo-optimisation-of-a-heterogeneous-speed-of-sound-model-of-the-human-skull-for-non-invasive-transcranial-focused-ultrasound-at-1%C3%A2-mhz
#5
L Marsac, D Chauvet, R La Greca, A-L Boch, K Chaumoitre, M Tanter, J-F Aubry
Transcranial brain therapy has recently emerged as a non-invasive strategy for the treatment of various neurological diseases, such as essential tremor or neurogenic pain. However, treatments require millimetre-scale accuracy. The use of high frequencies (typically ≥1 MHz) decreases the ultrasonic wavelength to the millimetre scale, thereby increasing the clinical accuracy and lowering the probability of cavitation, which improves the safety of the technique compared with the use of low-frequency devices that operate at 220 kHz...
March 7, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28538193/ethyl-pyruvate-protects-pc12-cells-from-oxygen-glucose-deprivation-a-potential-role-in-ischemic-cerebrovascular-disease
#6
Wenbo Li, Jiyu Lou, Liping Wei, Hongying Bai, Yaohui Zhang, Yuqing He
The protective potential of ethyl pyruvate (EP) on neuron has been investigated previously. This study was intended to investigate the effects of EP on the severity of oxygen-glucose deprivation (OGD)-induced injury in neural-like PC12 cells. PC12 cells were exposed to OGD condition with or without EP treatment. Then, cell viability, apoptosis, and the expressions of neurotrophic factors were detected. Further, Sprague-Dawley rats were intravenously administered with 5mg/kg EP for 14 days post-middle cerebral artery occlusion (MCAO)...
May 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28527061/ketogenic-diet-in-migraine-rationale-findings-and-perspectives
#7
Piero Barbanti, Luisa Fofi, Cinzia Aurilia, Gabriella Egeo, Massimiliano Caprio
Ketogenic diet (KD) is an established treatment for refractory pediatric epilepsy and a promising therapy for diverse neurological diseases. Clinical data on KD in migraine-obtained from 150 patients investigated in case reports and prospective studies-suggest that KD may be a rapid onset effective prophylaxis for episodic and chronic migraine. KD would contribute to restore brain excitability and metabolism and to counteract neuroinflammation in migraine, although its precise mechanism is still unclear. Randomized controlled studies are needed to confirm the usefulness of KD in migraine and to investigate its optimal duration, repeatability, feasibility in normal weight subjects, efficacy in pediatric population and association to conventional migraine prophylaxis...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28524126/-impact-of-sagittal-balance-parameters-on-life-quality-in-elderly-and-senile-patients-after-surgery-for-degenerative-lumbar-spine-stenosis
#8
V S Klimov, I I Vasilenko, A V Evsyukov, E V Amelina
INTRODUCTION: As the life span and proportion of people over 65 years increase, the incidence of degenerative lumbar spine stenosis grows proportionally. Various parameters of the spinopelvic relationships are used to predict surgical treatment outcomes in patients with degenerative spine diseases. There are no unified protocols for evaluation, in terms of the sagittal balance, of surgical treatment outcomes in elderly patients. PURPOSE: To study the impact of sagittal balance parameters on the life quality of elderly and senile patients after surgery for degenerative stenosis of the lumbar spine...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28512445/the-therapeutic-value-of-bone-marrow-derived-endothelial-progenitor-cell-transplantation-after-intracerebral-hemorrhage-in-rats
#9
Rui Zhang, Jing Yang, Jingjing Yuan, Bo Song, Yan Wang, Yuming Xu
AIMS: To study the effect of endothelial progenitor cell (EPC) treatment on intracerebral hemorrhage (ICH) in rats and elucidate possible mechanisms. METHODS: The rats were randomly divided into three groups: (1) EPC group: ICH + EPC, (2) phosphate-buffered saline group: ICH + PBS, and (3) sham group. EPCs were transplanted intravenously 6 h after ICH. Modified neurological severity score was used to evaluate neurological function. Blood-brain barrier (BBB) integrity was evaluated...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28511572/mtor-drives-cerebral-blood-flow-and-memory-deficits-in-ldlr-mice-modeling-atherosclerosis-and-vascular-cognitive-impairment
#10
Jordan B Jahrling, Ai-Ling Lin, Nicholas DeRosa, Stacy A Hussong, Candice E Van Skike, Milena Girotti, Martin Javors, Qingwei Zhao, Leigh Ann Maslin, Reto Asmis, Veronica Galvan
We recently showed that mTOR attenuation blocks progression and abrogates established cognitive deficits in Alzheimer's disease (AD) mouse models. These outcomes were associated with the restoration of cerebral blood flow (CBF) and brain vascular density (BVD) resulting from relief of mTOR inhibition of NO release. Recent reports suggested a role of mTOR in atherosclerosis. Because mTOR drives aging and vascular dysfunction is a universal feature of aging, we hypothesized that mTOR may contribute to brain vascular and cognitive dysfunction associated with atherosclerosis...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28504197/intravenous-injection-of-umbilical-cord-derived-mesenchymal-stromal-cells-attenuates-reactive-gliosis-and-hypomyelination-in-a-neonatal-intraventricular-hemorrhage-model
#11
Takeo Mukai, Yuka Mori, Takahisa Shimazu, Atsuko Takahashi, Hajime Tsunoda, Satoru Yamaguchi, Shigeru Kiryu, Arinobu Tojo, Tokiko Nagamura-Inoue
Intraventricular hemorrhage (IVH) is a frequent complication of preterm newborns, resulting in cerebral palsy and cognitive handicap as well as hypoxic ischemic encephalopathy and periventricular leukomalacia. In this study, we investigated the restorative effect on neonatal IVH by umbilical cord-derived mesenchymal stromal cells (UC-MSCs) cultured in serum-free medium (RM medium) for clinical application. UC-MSCs were cultured with αMEM medium supplemented with FBS or RM. A neonatal IVH mouse model at postnatal day 5 was generated by intraventricular injection of autologous blood, and mice were intravenously administered 1×10(5) UC-MSCs two days after IVH...
May 11, 2017: Neuroscience
https://www.readbyqxmd.com/read/28502686/customized-polymethylmethacrylate-cranioplasty-implants-using-3d-printed-polylactic-acid-molds-technical-note-with-2-illustrative-cases
#12
Joe Abdel Hay, Tarek Smayra, Ronald Moussa
OBJECTIVE: Prefabricated customized cranioplasty implants are anatomically more accurate than manually shaped acrylic implants but remain costly. The authors describe a new cost-effective technique of producing customized polymethylmethacrylate (PMMA) cranioplasty implants using prefabricated 3D printed molds. METHODS: The first patient had a left frontal cranial defect following a craniotomy for a glial tumor. A 3D image of his skull was obtained from axial 0.6mm computed tomography (CT) scan images...
May 11, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28493107/beyond-immunomodulation-the-regenerative-role-for-regulatory-t-cells-in-central-nervous-system-remyelination
#13
REVIEW
Veronique E Miron
Central nervous system regeneration after injury can occur in the form of remyelination, the reinstatement of myelin around axons which restores axon health and function. However, remyelination often fails in chronic neurological diseases, such as progressive multiple sclerosis. The lack of currently approved pro-remyelination therapies highlights the need to elucidate the cellular and molecular mechanisms underpinning this regenerative process. Whereas some T lymphocyte subsets such as Th1 and Th17 are implicated in inducing myelin injury, a recent study by Dombrowski et al...
May 11, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/28492341/implications-of-neurovascular-uncoupling-in-functional-magnetic-resonance-imaging-fmri-of-brain-tumors
#14
Rebecca W Pak, Darian H Hadjiabadi, Janaka Senarathna, Shruti Agarwal, Nitish V Thakor, Jay J Pillai, Arvind P Pathak
Functional magnetic resonance imaging (fMRI) serves as a critical tool for presurgical mapping of eloquent cortex and changes in neurological function in patients diagnosed with brain tumors. However, the blood-oxygen-level-dependent (BOLD) contrast mechanism underlying fMRI assumes that neurovascular coupling remains intact during brain tumor progression, and that measured changes in cerebral blood flow (CBF) are correlated with neuronal function. Recent preclinical and clinical studies have demonstrated that even low-grade brain tumors can exhibit neurovascular uncoupling (NVU), which can confound interpretation of fMRI data...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28492217/prevalence-of-intellectual-disabilities-and-epilepsy-in-different-forms-of-spastic-cerebral-palsy-in-adults
#15
Mladenka Vukojević, Tomislav Cvitković, Bruno Splavski, Zdenko Ostojić, Darinka Šumanović-Glamuzina, Josip Šimić
BACKGROUND: Spastic cerebral palsy may be interconnected with other neurodevelopmental disorders such as intellectual disabilities, and epilepsy. Brain synaptic plasticity and successful restorative rehabilitation may also contribute to diminish neurological deficit of patients having cerebral palsy. The aim of this study was to investigate the prevalence of intellectual disabilities and epilepsy in adult patients with different forms of spastic cerebral palsy and to find out correlation between the severity level of intellectual disabilities and epilepsy...
May 2017: Psychiatria Danubina
https://www.readbyqxmd.com/read/28487393/potent-thrombolytic-effect-of-n-acetylcysteine-on-arterial-thrombi
#16
Sara Martinez de Lizarrondo, Clément Gakuba, Bradley A Herbig, Yohann Repessé, Carine Ali, Cécile V Denis, Peter Lenting, Emmanuel Touzé, Scott L Diamond, Denis Vivien, Maxime Gauberti
Background -Platelet crosslinking during arterial thrombosis involves von Willebrand Factor (VWF) multimers. Therefore, proteolysis of VWF appears promising to disaggregate platelet-rich thrombi and restore vessel patency in acute thrombotic disorders such as ischemic stroke, acute coronary syndrome or acute limb ischemia. N-Acetylcysteine (NAC, a clinically approved mucolytic drug) can reduce intrachain disulfide bonds in large polymeric proteins. In the present study, we postulated that NAC might cleave the VWF multimers inside occlusive thrombi, thereby leading to their dissolution and arterial recanalization...
May 9, 2017: Circulation
https://www.readbyqxmd.com/read/28481350/cell-specific-pallidal-intervention-induces-long-lasting-motor-recovery-in-dopamine-depleted-mice
#17
Kevin J Mastro, Kevin T Zitelli, Amanda M Willard, Kimberly H Leblanc, Alexxai V Kravitz, Aryn H Gittis
The identification of distinct cell types in the basal ganglia has been critical to our understanding of basal ganglia function and the treatment of neurological disorders. The external globus pallidus (GPe) is a key contributor to motor suppressing pathways in the basal ganglia, yet its neuronal heterogeneity has remained an untapped resource for therapeutic interventions. Here we demonstrate that optogenetic interventions that dissociate the activity of two neuronal populations in the GPe, elevating the activity of parvalbumin (PV)-expressing GPe neurons over that of Lim homeobox 6 (Lhx6)-expressing GPe neurons, restores movement in dopamine-depleted mice and attenuates pathological activity of basal ganglia output neurons for hours beyond stimulation...
June 2017: Nature Neuroscience
https://www.readbyqxmd.com/read/28479561/a-hybrid-algorithm-for-fall-detection
#18
Serkan Turkeli, Fikri Elmas, Huseyin Tanzer Atay, Kenan Kaan Kurt, Remzi Yalın Sonmez
Falling is a major problem among the people globally, frequently due to some health problems including vision loss or balance disorder as a consequence of aging. As a result of the falling in elder people; injuries, complications, neurological problems and mortality are generally occurred. This situation also affects the patients' families psychologically. A large number of studies show that significant fractures, injuries and in some cases death are commonly encountered in elderly. Nonetheless, in the immediate intervention, the rate of damage is reduced and the life quality can be significantly restored...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28477283/linking-mitochondrial-dysfunction-to-neurodegeneration-in-lysosomal-storage-diseases
#19
REVIEW
Afshin Saffari, Stefan Kölker, Georg F Hoffmann, Darius Ebrahimi-Fakhari
Lysosomal storage diseases (LSD) are inborn errors of metabolism resulting in multisystem disease. Central nervous system involvement, often with progressive neurodegeneration, accounts for a large portion of the morbidity and mortality seen in many LSD. Available treatments fail to prevent or correct neurologic symptoms and decline. Emerging evidence points to an important role for mitochondrial dysfunction in the pathogenesis and progression of LSD-associated neurodegeneration. Mitochondrial dysfunction in LSD is characterized by alterations in mitochondrial mass, morphology and function...
May 5, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28476550/disseminated-intravascular-coagulation-is-associated-with-the-neurologic-outcome-of-cardiac-arrest-survivors
#20
Dong Hun Lee, Byung Kook Lee, Kyung Woon Jeung, Yong Hun Jung, Sung Min Lee, Yong Soo Cho, Seong-Woo Yun, Yong Il Min
PURPOSE: We aimed to examine the serial changes in coagulofibrinolytic markers that occurred after the restoration of spontaneous circulation (ROSC) in cardiac arrest patients, who were treated with targeted temperature management (TTM). We also evaluated the association between the disseminated intravascular coagulation (DIC) score and clinical outcomes. METHODS: This was a single-centre, retrospective observational study that included cardiac arrest patients who were treated with TTM from May 2012 to December 2015...
May 1, 2017: American Journal of Emergency Medicine
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