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https://www.readbyqxmd.com/read/28212832/motor-dysfunction-and-alterations-in-glutathione-concentration-cholinesterase-activity-and-bdnf-expression-in-substantia-nigra-pars-compacta-in-rats-with-pedunculopontine-lesion
#1
Lisette Blanco-Lezcano, Javier Jimenez-Martin, Mei-Li Díaz-Hung, Esteban Alberti-Amador, Maylin Wong-Guerra, Ma Elena González-Fraguela, Bárbara Estupiñán-Díaz, Teresa Serrano-Sánchez, Liliana Francis-Turner, Susana Delgado-Ocaña, Yanier Núñez-Figueredo, Yamilé Vega-Hurtado, Isabel Fernández-Jiménez
Pedunculopontine nucleus (PPN) has been considered a critically important region in the regulation of some of the physiological functions that fail during the progression of Parkinson's disease (PD). In this paper, the effects of unilateral neurotoxic lesion of the PPN [through the injection of N-methyl-D-aspartate (NMDA) solution (concentration: 0.1 M; volume: 0.5 µL)] in motor execution and gait disorders and the changes in cellular and molecular indicators in rat nigral tissue were evaluated. The motor execution was assessed using the beam test (BT) and the gait disorders by footprint test...
February 14, 2017: Neuroscience
https://www.readbyqxmd.com/read/28210956/mdivi-1-alleviates-early-brain-injury-after-experimental-subarachnoid-hemorrhage-in-rats-possibly-via-inhibition-of-drp1-activated-mitochondrial-fission-and-oxidative-stress
#2
Pei Wu, Yuchen Li, Shiyi Zhu, Chunlei Wang, Jiaxing Dai, Guang Zhang, Bingjie Zheng, Shancai Xu, Ligang Wang, Tongyu Zhang, PeiQuan Zhou, John H Zhang, Huaizhang Shi
Mdivi-1 is a selective inhibitor of mitochondrial fission protein, Drp1, and can penetrate the blood-brain barrier. Previous studies have shown that Mdivi-1 improves neurological outcomes after ischemia, seizures and trauma but it remains unclear whether Mdivi-1 can attenuate early brain injury after subarachnoid hemorrhage (SAH). We thus investigated the therapeutic effect of Mdivi-1 on early brain injury following SAH. Rats were randomly divided into four groups: sham; SAH; SAH + vehicle; and SAH + Mdivi-1...
February 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28209769/seizures-in-children-with-cerebral-palsy-and-white-matter-injury
#3
Monica S Cooper, Mark T Mackay, Michael Fahey, Dinah Reddihough, Susan M Reid, Katrina Williams, A Simon Harvey
OBJECTIVE: The goal of this study was to describe the prevalence, syndromes, and evolution of seizure disorders in children with cerebral palsy (CP) due to white matter injury (WMI). METHODS: For this population-based cohort study, brain MRI scans and medical records were reviewed in children in the Victorian Cerebral Palsy Register born between 1999 and 2006 recorded as having WMI. Children were excluded if they had features of an undiagnosed syndrome, associated cortical malformation or injury, or no medical contact in the preceding year...
February 16, 2017: Pediatrics
https://www.readbyqxmd.com/read/28207600/advancements-in-the-critical-care-management-of-status-epilepticus
#4
Andrew Bauerschmidt, Andrew Martin, Jan Claassen
PURPOSE OF REVIEW: Status epilepticus has a high morbidity and mortality. There are little definitive data to guide management; however, new recent data continue to improve understanding of management options of status epilepticus. This review examines recent advancements regarding the critical care management of status epilepticus. RECENT FINDINGS: Recent studies support the initial treatment of status epilepticus with early and aggressive benzodiazepine dosing...
February 14, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28203485/relationship-of-circulating-cxcr4-epc-with-prognosis-of-mild-traumatic-brain-injury-patients
#5
Yunpeng Lin, Lan Lan Luo, Jian Sun, Weiwei Gao, Ye Tian, Eugene Park, Andrew Baker, Jieli Chen, Rongcai Jiang, Jianning Zhang
To investigate the changes of circulating endothelial progenitor cells (EPCs) and stromal cell-derived factor-1α (SDF-1α)/CXCR4 expression in patients with mild traumatic brain injury (TBI) and the correlation between EPC level and the prognosis of mild TBI. 72 TBI patients (57 mild TBI, 15 moderate TBI patients) and 25 healthy subjects (control) were included. The number of circulating EPCs, CD34(+), and CD133(+) cells and the percentage of CXCR4(+) cells in each cell population at 1,4,7,14,21 days after TBI were counted by flow cytometer...
February 2017: Aging and Disease
https://www.readbyqxmd.com/read/28196717/perinatal-programming-by-inflammation
#6
Sarah J Spencer, Urs Meyer
Since Levine and then Barker's seminal work mid to late last century demonstrating the importance of early life environment, intensive research has revealed the plasticity, vulnerability and resilience of the developing brain to environmental challenges. In particular, early exposure to infectious pathogens and inflammatory stimuli has a lasting impact on brain and behavior. These data establish clear effects on vulnerability to later disease and neuroinflammatory injury, cognitive function and emotionality, and even responses to pain and susceptibility to metabolic disorders...
February 11, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28196142/moderate-injury-in-motor-sensory-cortex-causes-behavioral-deficits-accompanied-by-electrophysiological-changes-in-mice-adulthood
#7
Wei Ouyang, Qichao Yan, Yu Zhang, Zhiheng Fan
Moderate traumatic brain injury (TBI) in children often happen when there's a sudden blow to the frontal bone, end with long unconscious which can last for hours and progressive cognitive deficits. However, with regard to the influences of moderate TBI during children adulthood, injury-induced alterations of locomotive ability, long-term memory performance, and hippocampal electrophysiological firing changes have not yet been fully identified. In this study, lateral fluid percussion (LFP) method was used to fabricate moderate TBI in motor and somatosensory cortex of the 6-weeks-old mice...
2017: PloS One
https://www.readbyqxmd.com/read/28195961/bedside-ultrasound-to-facilitate-early-diagnosis-and-ease-of-follow-up-in-neurogenic-heterotopic-ossification-a-pilot-study-from-the-intensive-care-unit
#8
Konstantinos Stefanidis, Peter Brindley, Raymond Ramnarine, Michael Blaivas, Mohammad Daneshi, Paul S Sidhu, Abdoulrahman Alharthy, Dimitrios Karakitsos
OBJECTIVE: To explore the potential role of ultrasound (US) as a bedside tool in intensive care unit patients with presumed neurogenic heterotopic ossification (NHO). SETTING: Tertiary university teaching hospitals. PARTICIPANTS: Critical care patients with acquired brain injury. DESIGN: A multicenter prospective study of critical care patients with possible NHO. MAIN MEASURES: Following a screening clinical examination, the major joints were evaluated with US, serum laboratory work, and x-ray...
February 10, 2017: Journal of Head Trauma Rehabilitation
https://www.readbyqxmd.com/read/28193126/predictors-of-major-depression-and-posttraumatic-stress-disorder-following-traumatic-brain-injury-a-systematic-review-and-meta-analysis
#9
Maryse C Cnossen, Annemieke C Scholten, Hester F Lingsma, Anneliese Synnot, Juanita Haagsma, Prof Ewout W Steyerberg, Suzanne Polinder
Although major depressive disorder (MDD) and posttraumatic stress disorder (PTSD) are prevalent after traumatic brain injury (TBI), little is known about which patients are at risk for developing them. The authors systematically reviewed the literature on predictors and multivariable models for MDD and PTSD after TBI. The authors included 26 observational studies. MDD was associated with female gender, preinjury depression, postinjury unemployment, and lower brain volume, whereas PTSD was related to shorter posttraumatic amnesia, memory of the traumatic event, and early posttraumatic symptoms...
February 14, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28192385/ganglion-cell-complex-loss-in-chiasmal-compression-by-brain-tumors
#10
Marisa G Tieger, Thomas R Hedges, Joseph Ho, Natalie K Erlich-Malona, Laurel N Vuong, Geetha K Athappilly, Carlos E Mendoza-Santiesteban
BACKGROUND: Patterns of ganglion cell complex (GCC) loss detected by optical coherence tomography provide an objective measure of optic nerve injury. These patterns aid in early diagnosis and localization of chiasmal lesions. METHODS: Twenty-three patients with chiasmal compression seen between 2010 and 2015 were imaged with the Cirrus high-definition optical coherence tomography macular cube 512 × 128, retinal nerve fiber layer (RNFL) scan protocols and automated (30-2 Humphrey) visual fields (VFs)...
March 2017: Journal of Neuro-ophthalmology: the Official Journal of the North American Neuro-Ophthalmology Society
https://www.readbyqxmd.com/read/28191863/ulinastatin-downregulates-tlr4-and-nf-kb-expression-and-protects-mouse-brains-against-ischemia-reperfusion-injury
#11
Xiaofang Li, Likai Su, Xiangjian Zhang, Cong Zhang, Lina Wang, Yaoru Li, Ye Zhang, Tingting He, Xingyuan Zhu, Lili Cui
BACKGROUND: Inflammatory damage plays an important role in ischemic stroke and provides potential targets for therapy. Ulinastatin (UTI), a drug used to treat shock and acute pancreatitis in clinic, has attracted attention for its protective effects through immunomodulatory and anti-inflammatory properties. However, the effect of UTI in the acute phase of cerebral ischemia/reperfusion (I/R) is not clear. This study is to investigate the potential neuroprotective effect of UTI and explore its underlying mechanisms...
February 13, 2017: Neurological Research
https://www.readbyqxmd.com/read/28188219/distinct-effects-of-mir-210-reduction-on-neurogenesis-increased-neuronal-survival-of-inflammation-but-reduced-proliferation-associated-with-mitochondrial-enhancement
#12
Ludmila A Voloboueva, Xiaoyun Sun, Lijun Xu, Yi-Bing Ouyang, Rona G Giffard
Neurogenesis is essential to brain development, and plays a central role in the response to brain injury. Stroke and head trauma stimulate proliferation of endogenous neural stem cells (NSC). However, the survival of young neurons is sharply reduced by post-injury inflammation. Cellular mitochondria are critical to successful neurogenesis and are a major target of inflammatory injury. Mitochondrial protection was shown to improve survival of young neurons. This study tested whether reducing cellular microRNA-210 (miR-210) would enhance mitochondrial function and improve survival of young murine neurons under inflammatory conditions...
February 10, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28186445/subdural-hematoma-as-a-major-determinant-of-short-term-outcomes-in-traumatic-brain-injury
#13
Jonathan J Lee, David J Segar, John F Morrison, William M Mangham, Shane Lee, Wael F Asaad
OBJECTIVE Early radiographic findings in patients with traumatic brain injury (TBI) have been studied in hopes of better predicting injury severity and outcome. However, prior attempts have generally not considered the various types of intracranial hemorrhage in isolation and have typically not excluded patients with potentially confounding extracranial injuries. Therefore, the authors examined the associations of various radiographic findings with short-term outcome to assess the potential utility of these findings in future prognostic models...
February 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28180120/effects-of-a-sensory-stimulation-by-nurses-and-families-on-level-of-cognitive-function-and-basic-cognitive-sensory-recovery-of-comatose-patients-with-severe-traumatic-brain-injury-a-randomized-control-trial
#14
Marzieh Moattari, Fatemeh Alizadeh Shirazi, Nasrin Sharifi, Najaf Zareh
BACKGROUND: Several lines of evidence suggest that early sensory stimulation and regular family visiting programs are potential nursing interventions to improve the outcomes of head injured comatose patients. However, little is known about the impacts of family involvement in providing sensory stimulation. OBJECTIVES: To determine the effects of a sensory stimulation program conducted by nurses and families on the consciousness, level of cognitive function, and basic cognitive sensory recovery of head injury comatose patients...
September 2016: Trauma Monthly
https://www.readbyqxmd.com/read/28178976/advanced-glycation-end-products-induce-brain-derived-neurotrophic-factor-release-from-human-platelets-through-the-src-family-kinase-activation
#15
Kazuo Furukawa, Ichiro Fuse, Yuriko Iwakura, Hidekazu Sotoyama, Osamu Hanyu, Hiroyuki Nawa, Hirohito Sone, Nobuyuki Takei
BACKGROUND: Brain-derived neurotrophic factor (BDNF) exerts beneficial effects not only on diabetic neuropathies but also on cardiovascular injury. There is argument regarding the levels of serum BDNF in patients with diabetes mellitus (DM). Because BDNF in peripheral blood is rich in platelets, this may represent dysregulation of BDNF release from platelets. Here we focused on advanced glycation end products (AGEs), which are elevated in patients with DM and have adverse effects on cardiovascular functions...
February 8, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28175421/180%C3%A2-early-deep-vein-thrombosis-chemoprophylaxis-in-traumatic-brain-injury
#16
Fabio Frisoli, Paul P Huang, Spiros Frangos
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28169857/intersection-of-prognosis-and-palliation-in-neurocritical-care
#17
Michael Rubin, Jordan Bonomo, J Claude Hemphill
PURPOSE OF REVIEW: Difficult discussions regarding end-of-life care are common in neurocritical care. Because of a patient's neurological impairment, decisions regarding continuing or limiting aggressive care must often be made by patients' families in conjunction with medical providers. This review provides perspective on three major aspects of this circumstance: prognostication, family-physician discussions, and determination of death (specifically as it impacts on organ donation). RECENT FINDINGS: Numerous studies have now demonstrated that prediction models developed from populations of brain-injured patients may be misleading when applied to individual patients...
February 4, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28168570/early-enteral-nutrition-in-critically-ill-patients-esicm-clinical-practice-guidelines
#18
REVIEW
Annika Reintam Blaser, Joel Starkopf, Waleed Alhazzani, Mette M Berger, Michael P Casaer, Adam M Deane, Sonja Fruhwald, Michael Hiesmayr, Carole Ichai, Stephan M Jakob, Cecilia I Loudet, Manu L N G Malbrain, Juan C Montejo González, Catherine Paugam-Burtz, Martijn Poeze, Jean-Charles Preiser, Pierre Singer, Arthur R H van Zanten, Jan De Waele, Julia Wendon, Jan Wernerman, Tony Whitehouse, Alexander Wilmer, Heleen M Oudemans-van Straaten
PURPOSE: To provide evidence-based guidelines for early enteral nutrition (EEN) during critical illness. METHODS: We aimed to compare EEN vs. early parenteral nutrition (PN) and vs. delayed EN. We defined "early" EN as EN started within 48 h independent of type or amount. We listed, a priori, conditions in which EN is often delayed, and performed systematic reviews in 24 such subtopics. If sufficient evidence was available, we performed meta-analyses; if not, we qualitatively summarized the evidence and based our recommendations on expert opinion...
February 6, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28168412/neuroprognostication-after-adult-cardiac-arrest-treated-with-targeted-temperature-management-task-force-for-belgian-recommendations
#19
Fabio Silvio Taccone, Ingrid Baar, Cathy De Deyne, Patrick Druwe, Benjamin Legros, Geert Meyfroidt, Michel Ossemann, Nicolas Gaspard
The prognosis of patients who are admitted to the hospital after cardiac arrest often relies on neurological examination, which could be significantly influenced by the use of sedative drugs or the implementation of targeted temperature management. The need for early and accurate prognostication is crucial as up to 15-20% of patients could be considered as having a poor outcome and may undergo withdrawal of life-sustaining therapies while a complete neurological recovery is still possible. As current practice in Belgium is still based on a very early assessment of neurological function in these patients, the Belgian Society of Intensive Care Medicine created a multidisciplinary Task Force to provide an optimal approach for monitoring and refine prognosis of CA survivors...
February 6, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28163095/widespread-hyperphosphorylated-tau-in-the-working-memory-circuit-early-after-cortical-impact-injury-of-brain-original-study
#20
Zi-Ai Zhao, Ya-Lei Ning, Ping Li, Nan Yang, Yan Peng, Ren-Ping Xiong, Yan Zhao, Dong Liu, Xu-Jia Zeng, Jiang-Fan Chen, Yuan-Guo Zhou
A series of neurological and psychiatric symptoms occur after traumatic brain injury (TBI), with cognitive dysfunction being one of the most prominent sequela. Given that tau hyperphosphorylation is an important cause of cognitive impairment in patients of Alzheimer's disease, our present study detected the presence of hyperphosphorylated tau (p-tau), mainly at Ser404, in multiple brain regions, including the ipsilateral parietal cortex, contralateral hippocampus and prefrontal cortex, immediately after the injury in a mouse TBI model; these changes lasted for at least 4w...
February 2, 2017: Behavioural Brain Research
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