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https://www.readbyqxmd.com/read/29338612/gene-profiling-of-nucleus-basalis-tau-containing-neurons-in-chronic-traumatic-encephalopathy-a-chronic-effects-of-neurotrauma-consortium-study
#1
Elliott Jay Mufson, Bin He, Stephen D Ginsberg, Benjamin A Carper, Gayle S Bieler, Fiona C Crawford, Victor E Alverez, Bernard R Huber, Thor D Stein, Ann C McKee, Sylvia E Perez
Military personnel and athletes exposed to traumatic brain injury may develop chronic traumatic encephalopathy (CTE). Brain pathology in CTE includes intracellular accumulation of abnormally phosphorylated tau proteins (p-tau), the main constituent of neurofibrillary tangles (NFTs). Recently, we found that cholinergic basal forebrain (CBF) neurons within the nucleus basalis of Meynert (nbM), which provide the major cholinergic innervation to the cortex, display an increasing number of NFTs across the pathological stages of CTE...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29315058/celebrating-the-journal-of-neurotrauma-s-35-years-of-leadership-and-accomplishment-in-reporting-traumatic-brain-and-spinal-cord-injury-research
#2
John T Povlishock
No abstract text is available yet for this article.
January 1, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29315057/reflections-on-35-years-of-journal-of-neurotrauma
#3
(no author information available yet)
No abstract text is available yet for this article.
January 1, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29304855/prognostic-value-of-coagulation-tests-for-in-hospital-mortality-in-patients-with-traumatic-brain-injury
#4
Qiang Yuan, Jian Yu, Xing Wu, Yi-Rui Sun, Zhi-Qi Li, Zhuo-Ying Du, Xue-Hai Wu, Jin Hu
BACKGROUND: Coagulopathy is commonly observed after traumatic brain injury (TBI). However, it is not known whether using the standard independent predictors in conjunction with coagulation tests would improve their prognostic value. We determined the incidence of TBI-associated coagulopathy in patients with isolated TBI (iTBI), evaluated the prognostic value of coagulation tests for in-hospital mortality, and tested their predictive power for in-hospital mortality in patients with iTBI...
January 5, 2018: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29303839/integrating-quantitative-pupillometry-into-regular-care-in-a-neurotrauma-intensive-care-unit
#5
(no author information available yet)
No abstract text is available yet for this article.
February 2018: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29303836/integrating-quantitative-pupillometry-into-regular-care-in-a-neurotrauma-intensive-care-unit
#6
Maighdlin Anderson, Jonathan Elmer, Lori Shutter, Ava Puccio, Sheila Alexander
In the setting of acute traumatic brain injury (TBI), an abnormal pupil assessment may suggest a worsening intracranial lesion. Early detection of pupillary changes may expedite emergent care to improve outcomes. Automated, handheld pupillometers have been commercially available for 20 years, and several studies suggest that their use may facilitate early recognition of worsening injury and intracranial hypertension. The use of pupillometry as a bedside tool in the routine care of patients with severe TBI (Glasgow Coma Scale score ≤ 8) has not been described...
February 2018: Journal of Neuroscience Nursing: Journal of the American Association of Neuroscience Nurses
https://www.readbyqxmd.com/read/29238071/app-upregulation-contributes-to-retinal-ganglion-cell-degeneration-via-jnk3
#7
Chao Liu, Cheng-Wu Zhang, Yi Zhou, Wan Qing Wong, Liying Corinne Lee, Wei Yi Ong, Sung Ok Yoon, Wanjin Hong, Xin-Yuan Fu, Tuck Wah Soong, Edward H Koo, Lawrence W Stanton, Kah-Leong Lim, Zhi-Cheng Xiao, Gavin S Dawe
Axonal injury is a common feature of central nervous system insults. Upregulation of amyloid precursor protein (APP) is observed following central nervous system neurotrauma and is regarded as a marker of central nervous system axonal injury. However, the underlying mechanism by which APP mediates neuronal death remains to be elucidated. Here, we used mouse optic nerve axotomy (ONA) to model central nervous system axonal injury replicating aspects of retinal ganglion cell (RGC) death in optic neuropathies. APP and APP intracellular domain (AICD) were upregulated in retina after ONA and APP knockout reduced Tuj1+ RGC loss...
December 13, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29233066/commentary-on-jenny-carole-a-bertocci-gina-fukuda-tsuguhiro-rangarajan-nagarajan-and-shams-tariq-biomechanical-response-of-the-infant-head-to-shaking-an-experimental-investigation-journal-of-neurotrauma-april-2017-34-8-1579-1588
#8
https://www.readbyqxmd.com/read/29229352/the-outcome-of-severe-traumatic-brain-injury-in-latin-america
#9
Robert H Bonow, Jason Barber, Nancy R Temkin, Walter Videtta, Carlos Rondina, Gustavo Petroni, Silvia Lujan, Victor Alanis, Gustavo La Fuente, Arturo Lavadenz, Roberto Merida, Manuel Jibaja, Luis Gonzáles, Antonio Falcao, Ricardo Romero, Sureyya Dikmen, James Pridgeon, Randall M Chesnut
Traumatic brain injury (TBI) disproportionately affects lower and middle income countries (LMIC). The factors influencing outcomes in LMIC have not been examined as rigorously as in higher-income countries (HIC). This study was conducted to examine clinical and demographic factors influencing TBI outcomes in Latin American LMIC. Data were prospectively collected during a randomized trial of intracranial pressure monitoring in severe TBI and a companion observational study. Participants were aged ≥ 13 years and admitted to study hospitals with GCS ≤ 8...
December 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29228863/parallel-evaluation-of-two-potassium-channel-blockers-in-restoring-conduction-in-mechanical-spinal-cord-injury-in-rat
#10
Jessica Page, Jonghyuck Park, Zhe Chen, Peng Cao, Riyi Shi
Myelin damage is a hallmark of spinal cord injury (SCI) and potassium channel blocker (PCB) is proven effective to restore axonal conduction and regain neurological function. Aiming to improve this therapy beyond the FDA-approved 4-AP, we have developed multiple new PCBs, with 4-AP-3-MeOH being the most potent and effective. The current study evaluated two PCBs, 4-AP-3-MeOH and 4-AP, in parallel in both ex vivo and in vivo rat mechanical SCI models. Specifically, 4-AP-3-MeOH induced significantly greater augmentation of axonal conduction than 4-AP in both acute and chronic injury...
December 11, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29228862/oculomotor-cognitive-control-abnormalities-in-australian-rules-football-players-with-a-history-of-concussion
#11
Meaghan Clough, Steven Mutimer, David K Wright, Adrian Tsang, Daniel Costello, Andrew Gardner, Peter Stanwell, Richelle Mychasiuk, Mujun Sun, Rhys D Brady, Stuart John McDonald, Kyria Maree Webster, Maddison Johnstone, Joanne Fielding, Bridgette Semple, Denes V Agoston, Owen B White, Richard Frayne, Terence John O'Brien, Sandy Richard Shultz
This study used oculomotor, cognitive, and multimodal magnetic resonance imaging (MRI) measures to assess for neurological abnormalities in current asymptomatic amateur Australian rules footballers (i.e., Australia's most participated collision sport) with a history of sports-related concussion (SRC). Participants were 15 male amateur Australian rules football players with a history of SRC greater than 6 months previously, and 15 sex-, age- and education-matched athlete control subjects that had no history of neurotrauma or participation in collision sports...
December 11, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29227981/gamma-secretase-inhibitors-attenuate-neurotrauma-and-neurogenic-acute-lung-injury-in-rats-by-rescuing-the-accumulation-of-hypertrophic-microglia
#12
Hung-Jung Lin, Chien-Chin Hsu, Chung-Ching Chio, Yu-Feng Tian, Mao-Tsun Lin, Ting-Wei Lin, Chih-Hsien Chang, Ching-Ping Chang
BACKGROUND/AIMS: In response to traumatic brain injury (TBI), activated microglia exhibit changes in their morphology from the resting ramified phenotype toward the activated hypertrophic or amoeboid phenotype. Here, we provide the first description of the mechanism underlying the neuroprotective effects of γ-secretase inhibitors on TBI outcomes in rats. METHODS: The neuroprotective effects of γ-secretase inhibitors such as LY411575 or CHF5074 on TBI-induced neurotoxicity were analysed using a neurological motor function evaluation, cerebral contusion assay, immunohistochemical staining for microglia phenotypes, lung injury score and Evans Blue dye extravasation assay of brain and lung oedema...
December 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29212917/rhythmic-arm-cycling-training-improves-walking-and-neurophysiological-integrity-in-chronic-stroke-the-arms-can-give-legs-a-helping-hand-in-rehabilitation
#13
Chelsea Kaupp, Gregory Ep Pearcey, Taryn Klarner, Yao Sun, Trevor S Barss, Hilary Cullen, E Paul Zehr
Training locomotor pattern generating networks (CPGs) through arm and leg cycling improves walking in chronic stroke. These outcomes are presumed to result from enhanced interlimb connectivity and CPG function. The extent to which rhythmic arm training activates interlimb CPG networks for locomotion remains unclear and was assessed by studying chronic stroke participants before and after 5-weeks of arm cycling training. Strength was assessed bilaterally via maximal voluntary isometric contractions in the legs and hands...
December 6, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/29148904/randomized-controlled-study-comparing-2-surgical-techniques-for-decompressive-craniectomy-with-watertight-duraplasty-and-without-watertight-duraplasty
#14
Eduardo Vieira, Thiago C Guimarães, Igor V Faquini, Jose L Silva, Tammy Saboia, Rodrigo V C L Andrade, Thaís L Gemir, Valesca C Neri, Nivaldo S Almeida, Hildo R C Azevedo-Filho
OBJECTIVE Decompressive craniectomy (DC) is a widely used procedure in neurosurgery; however, few studies focus on the best surgical technique for the procedure. The authors' objective was to conduct a prospective randomized controlled trial comparing 2 techniques for performing DC: with watertight duraplasty and without watertight duraplasty (rapid-closure DC). METHODS The study population comprised patients ranging in age from 18 to 60 years who were admitted to the Neurotrauma Service of the Hospital da Restauração with a clinical indication for unilateral decompressive craniectomy...
November 17, 2017: Journal of Neurosurgery
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
#15
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/29142631/mortality-and-epidemiology-in-256-cases-of-pediatric-traumatic-brain-injury-korean-neuro-trauma-data-bank-system-kntdbs-2010-2014
#16
Hee-Won Jeong, Seung-Won Choi, Jin-Young Youm, Jeong-Wook Lim, Hyon-Jo Kwon, Shi-Hun Song
Objective: Among pediatric injury, brain injury is a leading cause of death and disability. To improve outcomes, many developed countries built neurotrauma databank (NTDB) system but there was not established nationwide coverage NTDB until 2009 and there have been few studies on pediatric traumatic head injury (THI) patients in Korea. Therefore, we analyzed epidemiology and outcome from the big data of pediatric THI. Methods: We collected data on pediatric patients from 23 university hospitals including 9 regional trauma centers from 2010 to 2014 and analyzed their clinical factors (sex, age, initial Glasgow coma scale, cause and mechanism of head injury, presence of surgery)...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/29132572/secondary-gains-advances-in-neurotrauma-management
#17
REVIEW
Brit Long, Alex Koyfman
Neurotrauma is a leading cause of death and is associated with many secondary injuries. A balance of mean arterial pressure (MAP) and intracranial pressure (ICP) is required to ensure adequate cerebral blood flow and cerebral perfusion pressure. Evaluation and management in the emergency department entails initial stabilization and resuscitation while assessing neurologic status. ICP management follows a tiered approach. Intubation requires consideration of preoxygenation, head of bed elevation, first pass success, and adequate analgesia and sedation...
February 2018: Emergency Medicine Clinics of North America
https://www.readbyqxmd.com/read/29103039/the-need-to-separate-chronic-traumatic-encephalopathy-neuropathology-from-clinical-features
#18
Grant L Iverson, C Dirk Keene, George Perry, Rudolph J Castellani
There is tremendous recent interest in chronic traumatic encephalopathy (CTE) in former collision sport athletes, civilians, and military veterans. This critical review places important recent research results into a historical context. In 2015, preliminary consensus criteria were developed for defining the neuropathology of CTE, which substantially narrowed the pathology previously reported to be characteristic. There are no agreed upon clinical criteria for diagnosis, although sets of criteria have been proposed for research purposes...
2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29095390/prediction-of-poor-prognosis-after-severe-head-injury-in-children-using-logistic-regression
#19
Rie Ichikawa, Yukihiro Maeda, Akiko Shibuya, Yoshimasa Umesato, Yoshiaki Kondo, Takeshi Maeda, Atsuo Yoshino, Shori Takahashi
OBJECTIVES: Head trauma is one of the main causes of death in childhood and often leaves severe disability with serious neurological damage. Appropriate treatment must be provided immediately to improve outcomes. This study was performed to identify factors associated with a poor prognosis at an early stage of severe head injury in children. METHODS: The subjects were registered in the Japan Neurotrauma Data Bank. They were 119 children (mean age, 8 years; male, 67...
October 31, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29074609/social-intuition-and-social-information-in-physical-child-abuse-evaluation-and-diagnosis
#20
Heather T Keenan, Lawrence J Cook, Lenora M Olson, Tyler Bardsley, Kristine A Campbell
BACKGROUND: Poor and minority children with injuries concerning for abuse are evaluated and diagnosed for abuse differentially. We hypothesized that 2 steps in the decision-making process would influence evaluation and diagnosis: social intuition from meeting the family and objective social information associated with child abuse risk. METHODS: Between 2009 and 2013, 32 child abuse pediatricians (CAPs) submitted 730 child abuse consultations including original medical evaluations and diagnoses...
November 2017: Pediatrics
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