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Restorative neurology

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https://www.readbyqxmd.com/read/28932945/necrostatin-1-mitigates-endoplasmic-reticulum-stress-after-spinal-cord-injury
#1
Shuang Wang, Jin Wu, Yu-Zhe Zeng, Song-Song Wu, Guo-Rong Deng, Zhi-Da Chen, Bin Lin
Necrostatin-1 (Nec-1) has been shown to inhibit necroptosis and convey a significant protective effect after spinal cord injury (SCI). This small molecule inhibitor may reduce tissue damage and restore neurological function by lessening mitochondrial injury after SCI and preserving energy homeostasis. However, the effects of Nec-1 on endoplasmic reticulum stress (ERS)-an important pathological consequence of SCI-are still not clear. The present study investigates the relationship between necroptosis and ERS in a rat model of SCI...
September 20, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28932016/transcranial-direct-current-stimulation-tdcs-combined-with-blindsight-rehabilitation-for-the-treatment-of-homonymous-hemianopia-a-report-of-two-cases
#2
Barbara Maria Matteo, Barbara Viganò, Cesare Giuseppe Cerri, Roberto Meroni, Cesare Maria Cornaggia, Cecilia Perin
[Purpose] Homonymous hemianopia is one of the most common symptoms following neurologic damage leading to impairments of functional abilities and activities of daily living. There are two main types of restorative rehabilitation in hemianopia: "border training" which involves exercising vision at the edge of the damaged visual field, and "blindsight training," which is based on exercising the unconscious perceptual functions deep inside the blind hemifield. Only border effects have been shown to be facilitated by transcranial direct current stimulation (tDCS)...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28928910/phase-i-ii-randomized-controlled-trial-of-autologous-bone-marrow-derived-mesenchymal-stem-cell-therapy-for-chronic-stroke
#3
Kam Sze Tsang, Chi Ping Stephanie Ng, Xian Lun Zhu, George Kwok Chu Wong, Gang Lu, Anil Tejbhan Ahuja, Ka Sing Lawrence Wong, Ho Keung Ng, Wai Sang Poon
AIM: To examine the safety and efficacy of mesenchymal stem cell (MSC) therapy for intracerebral haemorrhage with neurological dysfunctions for a year. METHODS: MSC were ex vivo expanded from 29 mL (17-42 mL) autologous bone marrow. Patients were randomized to have two intravenous injections of autologous MSC or placebos in four weeks apart. Neurological functions and clinical outcomes were monitored before treatment and at 12(th), 16(th), 24(th), 36(th) and 60(th) week upon completion of the treatment...
August 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/28927210/navigation-and-image-injection-for-control-of-bone-removal-and-osteotomy-planes-in-spine-surgery
#4
Michael Kosterhon, Angelika Gutenberg, Sven Rainer Kantelhardt, Elefterios Archavlis, Alf Giese
BACKGROUND AND IMPORTANCE: In contrast to cranial interventions, neuronavigation in spinal surgery is used in few applications, not tapping into its full technological potential. We have developed a method to preoperatively create virtual resection planes and volumes for spinal osteotomies and export 3-D operation plans to a navigation system controlling intraoperative visualization using a surgical microscope's head-up display. The method was developed using a Sawbone ® model of the lumbar spine, demonstrating feasibility with high precision...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28926848/-parsonage-turner-syndrome-case-report
#5
Alexander Katzer, Wolf-Peter Niedermauntel, Jörg Rump
Neuralgic amyotrophy of the shoulder (Parsonage-Turner syndrome) is a rare condition of unknown aetiology which manifests as acute neuropathy of the brachial plexus. Diagnosis is based on typical symptoms and physical examination. In addition, magnetic resonance imaging of the affected shoulder and the cervical spine is advisable, in order to distinguish this syndrome from other conditions with similar symptoms. There is no specific treatment for neuralgic amyotrophy, but in about 50 - 67% of cases complete recovery occurs within two to three years, depending on the severity of the symptoms when they first appear...
September 19, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28926091/functional-role-of-mesenchymal-stem-cells-in-the-treatment-of-chronic-neurodegenerative-diseases
#6
Debora Lo Furno, Giuliana Mannino, Rosario Giuffrida
Mesenchymal stem cells (MSCs) can differentiate into not only cells of mesodermal lineages, but also into endodermal and ectodermal derived elements, including neurons and glial cells. For this reason, MSCs have been extensively investigated to develop cell-based therapeutic strategies, especially in pathologies whose pharmacological treatments give poor results, if any. As in the case of irreversible neurological disorders characterized by progressive neuronal death, in which behavioral and cognitive functions of patients inexorably decline as the disease progresses...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28922417/lingering-single-strand-breaks-trigger-rad51-independent-homology-directed-repair-of-collapsed-replication-forks-in-the-polynucleotide-kinase-phosphatase-mutant-of-fission-yeast
#7
Arancha Sanchez, Mariana C Gadaleta, Oliver Limbo, Paul Russell
The DNA repair enzyme polynucleotide kinase/phosphatase (PNKP) protects genome integrity by restoring ligatable 5'-phosphate and 3'-hydroxyl termini at single-strand breaks (SSBs). In humans, PNKP mutations underlie the neurological disease known as MCSZ, but these individuals are not predisposed for cancer, implying effective alternative repair pathways in dividing cells. Homology-directed repair (HDR) of collapsed replication forks was proposed to repair SSBs in PNKP-deficient cells, but the critical HDR protein Rad51 is not required in PNKP-null (pnk1Δ) cells of Schizosaccharomyces pombe...
September 18, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28921694/protease-activated-receptor-2-controls-myelin-development-resiliency-and-repair
#8
Hyesook Yoon, Maja Radulovic, Grant Walters, Alex R Paulsen, Kristen Drucker, Phillip Starski, Jianmin Wu, David P Fairlie, Isobel A Scarisbrick
Oligodendrocytes are essential regulators of axonal energy homeostasis and electrical conduction and emerging target cells for restoration of neurological function. Here we investigate the role of protease activated receptor 2 (PAR2), a unique protease activated G protein-coupled receptor, in myelin development and repair using the spinal cord as a model. Results demonstrate that genetic deletion of PAR2 accelerates myelin production, including higher proteolipid protein (PLP) levels in the spinal cord at birth and higher levels of myelin basic protein and thickened myelin sheaths in adulthood...
September 18, 2017: Glia
https://www.readbyqxmd.com/read/28919267/post-carotid-endarterectomy-hypertension-part-2-association-with-peri-operative-clinical-anaesthetic-and-transcranial-doppler-derived-parameters
#9
Jeremy E Newman, Mathew J Bown, Robert D Sayers, Jonathan P Thompson, Thompson G Robinson, Bryan Williams, Ronney Panerai, Peter Lacy, A Ross Naylor
OBJECTIVE/BACKGROUND: The first paper in this series observed that pre-operative baroreceptor dysfunction and poorly controlled hypertension were independently predictive for identifying patients who went on to require treatment for post-endarterectomy hypertension (PEH). The second paper examines the influence of intra-operative patient, transcranial Doppler (TCD) ultrasound, and anaesthetic variables on the incidence of PEH. METHODS: In total, 106 patients underwent carotid endarterectomy (CEA) under general anaesthesia...
September 14, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28918510/acquired-hepatocerebral-degeneration-ahd-a-peculiar-neurological-impairment-in-advanced-chronic-liver-disease
#10
A Pigoni, F Iuculano, C Saetti, L Airaghi, L Burdick, S Spreafico, M Curioni, R Lombardi, L Valenti, A L Fracanzani, S Fargion
We discuss the case of a rare and often unrecognized neurologic syndrome, called Acquired Hepatocerebral Degeneration (AHD), observed in patients with advanced liver disease and portosystemic shunts. The clinical manifestations can be very heterogeneous and in our case included a combination of cerebellar and extrapyramidal signs, arisen in a period of few days. Brain Magnetic Resonance Imaging (MRI) showed, in T1-weighted images, diffuse bilateral hyper intensities in basal ganglia and biemispheric brain and cerebellar cortices, resembling paramagnetic deposits...
September 16, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28913349/brain-computer-interface-for-clinical-purposes-cognitive-assessment-and-rehabilitation
#11
REVIEW
Laura Carelli, Federica Solca, Andrea Faini, Paolo Meriggi, Davide Sangalli, Pietro Cipresso, Giuseppe Riva, Nicola Ticozzi, Andrea Ciammola, Vincenzo Silani, Barbara Poletti
Alongside the best-known applications of brain-computer interface (BCI) technology for restoring communication abilities and controlling external devices, we present the state of the art of BCI use for cognitive assessment and training purposes. We first describe some preliminary attempts to develop verbal-motor free BCI-based tests for evaluating specific or multiple cognitive domains in patients with Amyotrophic Lateral Sclerosis, disorders of consciousness, and other neurological diseases. Then we present the more heterogeneous and advanced field of BCI-based cognitive training, which has its roots in the context of neurofeedback therapy and addresses patients with neurological developmental disorders (autism spectrum disorder and attention-deficit/hyperactivity disorder), stroke patients, and elderly subjects...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28912935/baicalin-attenuates-subarachnoid-hemorrhagic-brain-injury-by-modulating-blood-brain-barrier-disruption-inflammation-and-oxidative-damage-in-mice
#12
Xianqing Shi, Yongjian Fu, SongSong Zhang, Hao Ding, Jin Chen
In subarachnoid hemorrhagic brain injury, the early crucial events are edema formation due to inflammatory responses and blood-brain barrier disruption. Baicalin, a flavone glycoside, has antineuroinflammatory and antioxidant properties. We examined the effect of baicalin in subarachnoid hemorrhagic brain injury. Subarachnoid hemorrhage was induced through filament perforation and either baicalin or vehicle was administered 30 min prior to surgery. Brain tissues were collected 24 hours after surgery after evaluation of neurological scores...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28905273/early-to-long-term-alterations-of-cns-barriers-after-traumatic-brain-injury-considerations-for-drug-development
#13
Beatriz Rodriguez-Grande, Aleksandra Ichkova, Sighild Lemarchant, Jerome Badaut
Traumatic brain injury (TBI) is one of the leading causes of death and disability, particularly amongst the young and the elderly. The functions of the blood-brain barrier (BBB) and blood-cerebrospinal fluid barrier (BCSFB) are strongly impaired after TBI, thus affecting brain homeostasis. Following the primary mechanical injury that characterizes TBI, a secondary injury develops over time, including events such as edema formation, oxidative stress, neuroinflammation, and alterations in paracelullar and transcellular transport...
September 13, 2017: AAPS Journal
https://www.readbyqxmd.com/read/28899758/chronic-global-analysis-of-vascular-permeability-and-cerebral-blood-flow-after-bone-marrow-stromal-cell-treatment-of-traumatic-brain-injury-in-the-rat-a-long-term-mri-study
#14
Lian Li, Michael Chopp, Guangliang Ding, Qingjiang Li, Asim Mahmood, Quan Jiang
Vascular permeability and hemodynamic alteration in response to the transplantation of human bone marrow stromal cells (hMSCs) after traumatic brain injury (TBI) were longitudinally investigated in non directly injured and normal-appearing cerebral tissue using magnetic resonance imaging (MRI). Male Wistar rats (300-350g, n=30) subjected to controlled cortical impact TBI were intravenously injected with 1 ml of saline (at 6-hours or 1-week post-injury, n=5/group) or with hMSCs in suspension (∼3x10(6) hMSCs, at 6-hours or 1-week post-injury, n=10/group)...
September 9, 2017: Brain Research
https://www.readbyqxmd.com/read/28894688/current-diagnosis-and-management-of-cervical-spondylotic-myelopathy
#15
REVIEW
Joshua Bakhsheshian, Vivek A Mehta, John C Liu
STUDY DESIGN: Review. OBJECTIVES: Cervical spondylotic myelopathy (CSM) is a major cause of disability, particular in elderly patients. Awareness and understanding of CSM is imperative to facilitate early diagnosis and management. This review article addresses CSM with regard to its epidemiology, anatomical considerations, pathophysiology, clinical manifestations, imaging characteristics, treatment approaches and outcomes, and the cost-effectiveness of surgical options...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28893703/emergent-treatment-of-ruptured-axillary-artery-aneurysm
#16
R L van der Horst, I van den Hoven, J H C Daemen
The axillary artery aneurysm (AxAAs) is a rare entity, with a diverse range of proposed etiologic mechanisms. Although usually asymptomatic, thrombo-embolic or haemorrhagic complications leave many with vascular and neurologic compromise. Both open and endovascular approaches have been reported. However, no consensus has been reached on the management of AxAAs. This case illustrates a unique emergent treatment approach for a ruptured axillary artery aneurysm, involving endovascular plugging, and immediate subsequent open hematoma evacuation...
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28888908/quick-foot-placement-adjustments-during-gait-are-less-accurate-in-individuals-with-focal-cerebellar-lesions
#17
Wouter Hoogkamer, Zrinka Potocanac, Frank Van Calenbergh, Jacques Duysens
Online gait corrections are frequently used to restore gait stability and prevent falling. They require shorter response times than voluntary movements which suggests that subcortical pathways contribute to the execution of online gait corrections. To evaluate the potential role of the cerebellum in these pathways we tested the hypotheses that online gait corrections would be less accurate in individuals with focal cerebellar damage than in neurologically intact controls and that this difference would be more pronounced for shorter available response times and for short step gait corrections...
September 1, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28874182/long-term-neurologic-and-cardiac-correction-by-intrathecal-gene-therapy-in-pompe-disease
#18
J Hordeaux, L Dubreil, C Robveille, J Deniaud, Q Pascal, B Dequéant, J Pailloux, L Lagalice, M Ledevin, C Babarit, P Costiou, F Jamme, M Fusellier, Y Mallem, C Ciron, C Huchet, C Caillaud, M-A Colle
Pompe disease is a lysosomal storage disorder caused by acid-α-glucosidase (GAA) deficiency, leading to glycogen storage. The disease manifests as a fatal cardiomyopathy in infantile form. Enzyme replacement therapy (ERT) has recently prolonged the lifespan of these patients, revealing a new natural history. The neurologic phenotype and the persistence of selective muscular weakness in some patients could be attributed to the central nervous system (CNS) storage uncorrected by ERT. GAA-KO 6neo/6neo mice were treated with a single intrathecal administration of adeno-associated recombinant vector (AAV) mediated gene transfer of human GAA at 1 month and their neurologic, neuromuscular, and cardiac function was assessed for 1 year...
September 6, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28868201/never-say-never-again-a-bone-graft-infection-due-to-a-hornet-sting-thirty-nine-years-after-cranioplasty
#19
Rosario Maugeri, Roberto G Giammalva, Francesca Graziano, Luigi Basile, Carlo Gulì, Antonella Giugno, Domenico G Iacopino
BACKGROUND: Cranioplasty (CP) is a widespread surgical procedure aimed to restore skull integrity and physiological cerebral hemodynamics, to improve neurological functions and to protect the underlying brain after a life-saving decompressive craniectomy (DC). Nevertheless, CP is still burdened by surgical complications, among which early or late graft infections are the most common outcome-threatening ones. CASE DESCRIPTION: We report the case of 48-year-old man admitted to our neurosurgical unit because of a painful right frontal swelling and 1-week purulent discharge from a cutaneous fistula...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28863223/management-of-metastatic-spinal-cord-compression
#20
REVIEW
Quaovi Sodji, Joseph Kaminski, Christopher Willey, Nathan Kim, Waleed Mourad, John Vender, Byron Dasher
Cancer metastasis is a key event in tumor progression associated not only with mortality but also significant morbidity. Metastatic disease can promote end-organ dysfunction and even failure through mass effect compression of various vital organs including the spinal cord. In such cases, prompt medical attention is needed to restore neurological function, relieve pain, and prevent permanent damage. The three therapeutic approaches to managing metastatic spinal cord compression include corticosteroids, surgery, and radiation therapy...
September 2017: Southern Medical Journal
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