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https://www.readbyqxmd.com/read/28531868/a-case-of-traumatic-cardiopulmonary-arrest-with-good-neurological-outcome-predicted-by-amplitude-integrated-electroencephalogram
#1
Ko Harada, Kohei Tsukahara, Tetsuya Yumoto, Yasuaki Yamakawa, Atsuyoshi Iida, Hiromichi Naito, Atsunori Nakao
INTRODUCTION: Traumatic cardiopulmonary arrest has a very high mortality, and survival of patients with this condition without neurological disability is rare. PRESENTATION OF CASE: We herein report a case of traumatic cardiopulmonary arrest secondary to accidental amputation of the left lower leg that was successfully treated without any higher brain dysfunction. Although the long duration of cardiopulmonary arrest in this patient suggested hypoxic ischemic encephalopathy, amplitude-integrated electroencephalogram showed normal findings...
May 15, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28526435/the-bidirectional-gut-brain-microbiota-axis-as-a-potential-nexus-between-traumatic-brain-injury-inflammation-and-disease
#2
Mark H Sundman, Nan-Kuei Chen, Vignesh Subbian, Ying-Hui Chou
As head injuries and their sequelae have become an increasingly salient matter of public health, experts in the field have made great progress elucidating the biological processes occurring within the brain at the moment of injury and throughout the recovery thereafter. Given the extraordinary rate at which our collective knowledge of neurotrauma has grown, new insights may be revealed by examining the existing literature across disciplines with a new perspective. This article will aim to expand the scope of this rapidly evolving field of research beyond the confines of the central nervous system (CNS)...
May 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28524178/transcriptome-analyses-of-chronic-traumatic-encephalopathy-show-alterations-in-protein-phosphatase-expression-associated-with-tauopathy
#3
Jeong-Sun Seo, Seungbok Lee, Jong-Yeon Shin, Yu Jin Hwang, Hyesun Cho, Seong-Keun Yoo, Yunha Kim, Sungsu Lim, Yun Kyung Kim, Eun Mi Hwang, Su Hyun Kim, Chong-Hyun Kim, Seung Jae Hyeon, Ji-Young Yun, Jihye Kim, Yona Kim, Victor E Alvarez, Thor D Stein, Junghee Lee, Dong Jin Kim, Jong-Il Kim, Neil W Kowall, Hoon Ryu, Ann C McKee
Chronic traumatic encephalopathy (CTE) is a progressive neurodegenerative disorder that is associated with repetitive head injury and has distinctive neuropathological features that differentiate this disease from other neurodegenerative diseases. Intraneuronal tau aggregates, although they occur in different patterns, are diagnostic neuropathological features of CTE, but the precise mechanism of tauopathy is not known in CTE. We performed whole RNA sequencing analysis of post-mortem brain tissue from patients with CTE and compared the results to normal controls to determine the transcriptome signature changes associated with CTE...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28520686/clinical-correlates-to-assist-with-chronic-traumatic-encephalopathy-diagnosis-insights-from-a-novel-rodent-repeat-concussion-model
#4
Gretchen M Thomsen, Ara Ko, Megan Y Harada, Annie Ma, Livia Wyss, Patricia Haro, Jean-Philippe Vit, Pablo Avalos, Navpreet K Dhillon, Noell Cho, Oksana Shelest, Eric J Ley
INTRODUCTION: Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease linked to repetitive head injuries. Chronic traumatic encephalopathy symptoms include changes in mood, behavior, cognition, and motor function; however, CTE is currently diagnosed only postmortem. Using a rat model of recurrent traumatic brain injury (TBI), we demonstrate rodent deficits that predict the severity of CTE-like brain pathology. METHODS: Bilateral, closed-skull, mild TBI was administered once per week to 35 wild-type rats; eight rats received two injuries (2×TBI), 27 rats received five injuries (5×TBI), and 13 rats were sham controls...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28516328/chronic-traumatic-encephalopathy-identifying-those-at-risk-and-understanding-pathogenesis
#5
M D Willis, N P Robertson
No abstract text is available yet for this article.
May 17, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28511970/cleomedes-of-astypalaea-a-possible-early-sufferer-of-chronic-traumatic-encephalopathy
#6
Rodolfo Savica, Mario Roberto Vaz Carneiro Filho, Christopher J Boes
Dementia pugilistica was the term adopted by H. Martland in 1928 to identify boxers with cognitive decline. In more recent years, the syndrome of dementia pugilistica with pathological correlates has been defined as chronic traumatic encephalopathy (CTE). A number of sportsmen have been recently diagnosed with CTE; and we may have identified an ancient Greek athlete of pankration who presented with the symptoms that have been associated with CTE. Our study reports the history and the known clinical information about Cleomedes of Astypalaea, possibly the first athlete ever affected by CTE...
May 13, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28511279/blast-associated-traumatic-brain-injury-in-the-military-as-a-potential-trigger-for-dementia-and-chronic-traumatic-encephalopathy
#7
James Hasoon
Traumatic brain injuries (TBIs) resulting from blast exposures have significantly affected US military personnel throughout the world, particularly in Iraq and Afghanistan. From 2000-2016, more than 350,000 military service members were diagnosed with a TBI. Since the majority of blast-related TBIs are classified as mild with no definitive findings on physical examination or diagnostic studies, it is difficult to accurately diagnose individuals inflicted with such injuries. There are likely far more mild TBIs that remain undiagnosed in the military...
January 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28503704/use-of-eeg-in-critically-ill-children-and-neonates-in-the-united-states-of-america
#8
Marina Gaínza-Lein, Iván Sánchez Fernández, Tobias Loddenkemper
The objective of the study was to estimate the proportion of patients who receive an electroencephalogram (EEG) among five common indications for EEG monitoring in the intensive care unit: traumatic brain injury (TBI), extracorporeal membrane oxygenation (ECMO), cardiac arrest, cardiac surgery and hypoxic-ischemic encephalopathy (HIE). We performed a retrospective cross-sectional descriptive study utilizing the Kids' Inpatient Database (KID) for the years 2010-2012. The KID is the largest pediatric inpatient database in the USA and it is based on discharge reports created by hospitals for billing purposes...
May 13, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28502803/gene-co-expression-networks-identify-trem2-and-tyrobp-as-major-hubs-in-human-apoe-expressing-mice-following-traumatic-brain-injury
#9
Emilie L Castranio, Anais Mounier, Cody M Wolfe, Kyong Nyon Nam, Nicholas F Fitz, Florent Letronne, Jonathan Schug, Radosveta Koldamova, Iliya Lefterov
Traumatic brain injury (TBI) is strongly linked to an increased risk of developing dementia, including chronic traumatic encephalopathy and possibly Alzheimer's disease (AD). APOEε4 allele of human Apolipoprotein E (APOE) gene is the major genetic risk factor for late onset AD and has been associated with chronic traumatic encephalopathy and unfavorable outcome following TBI. To determine if there is an APOE isoform-specific response to TBI we performed controlled cortical impact on 3-month-old mice expressing human APOE3 or APOE4 isoforms...
May 11, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28490998/do-patients-with-temporal-lobe-epilepsy-and-cognitive-decline-have-alzheimer-s-disease-or-chronic-traumatic-encephalopathy-cte
#10
COMMENT
William B Barr
No abstract text is available yet for this article.
March 2017: Epilepsy Currents
https://www.readbyqxmd.com/read/28487370/transactive-response-dna-binding-protein-43-tdp-43-regulates-alternative-splicing-of-tau-exon-10-implications-for-the-pathogenesis-of-tauopathies
#11
Jianlan Gu, Feng Chen, Khalid Iqbal, Cheng-Xin Gong, Xinglong Wang, Fei Liu
Hyperphosphorylation and aggregation of the neuronal protein tau is responsible for neurodegenerative diseases called tauopathies. Dysregulation of the alternative splicing of the exon 10 results in alterations of the ratio of two tau isoforms, 3R-tau and 4R-tau, which have been seen in several tauopathies. Transactive response DNA-binding protein 43 kDa (TDP-43) is involved in the regulation of RNA processing, including splicing. Cytoplasmic aggregation of TDP-43 has been observed in the brains of individuals with chronic traumatic encephalopathy or Alzheimer's disease, diseases in which neurofibrillary tangles of hyperphosphorylated tau are hallmarks...
May 9, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28478818/the-multi-factorial-origins-of-chronic-traumatic-encephalopathy-cte-symptomology-in-post-career-athletes-the-athlete-post-career-adjustment-ap-ca-model
#12
Michael Gaetz
CTE has two prominent components: the pathophysiology that is detected in the brain postmortem and the symptomology that is present in the interval between retirement and end of life. CTE symptomology has been noted to include memory difficulties, aggression, depression, explosivity, and executive dysfunction at early stages progressing to problems with attention, mood swings, visuospatial difficulties, confusion, progressive dementia, and suicidality (e.g. McKee et al. (2012), Omalu et al. (2010a-c), McKee et al...
May 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28455362/a-systematic-review-of-potential-long-term-effects-of-sport-related-concussion
#13
Geoff T Manley, Andrew J Gardner, Kathryn J Schneider, Kevin M Guskiewicz, Julian Bailes, Robert C Cantu, Rudolph J Castellani, Michael Turner, Barry D Jordan, Christopher Randolph, Jiří Dvořák, K Alix Hayden, Charles H Tator, Paul McCrory, Grant L Iverson
OBJECTIVE: Systematic review of possible long-term effects of sports-related concussion in retired athletes. DATA SOURCES: Ten electronic databases. STUDY SELECTION: Original research; incidence, risk factors or causation related to long-term mental health or neurological problems; individuals who have suffered a concussion; retired athletes as the subjects and possible long-term sequelae defined as >10 years after the injury. DATA EXTRACTION: Study population, exposure/outcome measures, clinical data, neurological examination findings, cognitive assessment, neuroimaging findings and neuropathology results...
April 28, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28434268/ubiquitin-c-terminal-hydrolase-l1-uch-l1-as-a-therapeutic-and-diagnostic-target-in-neurodegeneration-neurotrauma-and-neuro-injuries
#14
Kevin K Wang, Zhihui Yang, George Sarkis, Isabel Torres, Vijaya Raghavan
Since its discovery as a major CNS-abundant protein 25 years ago, Ubiquitin C-terminal hydrolase-L1 (UCH-L1) has emerged as an important enzyme in regulating brain protein metabolism, by coupling to the proteasome pathway of protein degradation. Areas covered: UCH-L1 is implicated in both familial and sporadic Parkinson disease and other chronic neurodegenerative diseases. Also, UCH-L1 has been recently emerging as a biofluid-based biomarker for various forms of acute neurotrauma and CNS injury. Expert opinion: The loss of UCH-L1 activity coupled with the gain of proteinopathy function are linked to neurodegeneration such as Parkinsonism and Alzheimer's disease...
April 27, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28420864/insulin-growth-factor-1-protects-neural-stem-cells-against-apoptosis-induced-by-hypoxia-through-akt-mitogen-activated-protein-kinase-extracellular-signal-regulated-kinase-akt-mapk-erk-pathway-in-hypoxia-ishchemic-encephalopathy
#15
Bing Zhao, Zebao Zheng
BACKGROUND Insulin growth factor 1 (IGF-1) is reported to modulate cell growth and acts as potential therapy for traumatic brain injury. This study was designed to investigate the effect of IGF-1 on hypoxia-induced apoptosis in neural stem cells (NSCs). MATERIAL AND METHODS A hypoxia model was constructed using NSCs separated from the hippocampus of rat. NSCs were divided into four groups: cells under normoxic conditions that acted as controls (C group), cells under hypoxia (H group), cells under hypoxia with IGF-1 (HI group), and cells under hypoxia with IGF-1 as well as picropodophyllin (PPP), which acts as an inhibitor of the IGF-1 receptor (HIP group)...
April 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28420443/tau-phosphorylation-induced-by-severe-closed-head-traumatic-brain-injury-is-linked-to-the-cellular-prion-protein
#16
Richard Rubenstein, Binggong Chang, Natalia Grinkina, Eleanor Drummond, Peter Davies, Meir Ruditzky, Deep Sharma, Kevin Wang, Thomas Wisniewski
Studies in vivo and in vitro have suggested that the mechanism underlying Alzheimer's disease (AD) neuropathogenesis is initiated by an interaction between the cellular prion protein (PrP(C)) and amyloid-β oligomers (Aβo). This PrP(C)-Aβo complex activates Fyn kinase which, in turn, hyperphosphorylates tau (P-Tau) resulting in synaptic dysfunction, neuronal loss and cognitive deficits. AD transgenic mice lacking PrP(C) accumulate Aβ, but show normal survival and no loss of spatial learning and memory suggesting that PrP(C) functions downstream of Aβo production but upstream of intracellular toxicity within neurons...
April 18, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28413156/exposure-of-the-amino-terminus-of-tau-is-a-pathological-event-in-multiple-tauopathies
#17
Benjamin Combs, Nicholas M Kanaan
Pathological changes to the tau protein, including conformational changes and aggregation, are major hallmarks of a group of neurodegenerative disorders known as tauopathies. Among the conformational changes are alterations involving the extreme amino terminus of the protein, known as the phosphatase-activating domain (PAD). Aberrant PAD exposure induces a signaling cascade that leads to disruption of axonal transport, a critical function for neuronal survival. Conformational display of PAD is an early marker of pathological tau in Alzheimer disease (AD), but its role in other tauopathies has yet to be firmly established...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28413125/transient-dysautonomia-in-an-acute-phase-of-encephalopathy-with-biphasic-seizures-and-late-reduced-diffusion
#18
Yuko Ichimiya, Noriyuki Kaku, Yasunari Sakai, Fumiya Yamashita, Wakato Matsuoka, Mamoru Muraoka, Satoshi Akamine, Soichi Mizuguchi, Michiko Torio, Yoshitomo Motomura, Yuichiro Hirata, Yoshito Ishizaki, Masafumi Sanefuji, Hiroyuki Torisu, Hidetoshi Takada, Yoshihiko Maehara, Shouichi Ohga
Paroxysmal sympathetic hyperactivity (PSH) is a dysautonomic condition that is associated with various types of acquired brain injuries. Traumatic brain lesions have been documented as the leading cause of PSH. However, detailed clinical features of pediatric PSH caused by intrinsic brain lesions remain to be elusive. We present a 3-year-old boy, who had been diagnosed as having cerebral palsy, developmental delay and epilepsy after perinatal hypoxia-induced brain injury. He developed status epilepticus with fever on the third day of respiratory infection...
April 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28403205/spontaneous-diseases-in-captive-ratites-struthioniformes-in-northwestern-germany-a-retrospective-study
#19
Aimara Bello, Samuel Frei, Martin Peters, Anne Balkema-Buschmann, Wolfgang Baumgärtner, Peter Wohlsein
A retrospective study was carried out to define the spectrum of spontaneous diseases in ostriches and few other captive ratites, order Struthioniformes, in northwestern Germany. The investigation included 71 ratites necropsied between 1968 and 2014. They consisted of 54 ostriches, 5 emus, and 12 rheas with 37 adults, 23 juveniles and 11 neonates and embryonated eggs. Necropsy reports were reviewed, histologic preparations were re-examined and additional histochemical and immunohistochemical stains were carried out in selected cases...
2017: PloS One
https://www.readbyqxmd.com/read/28392702/hepatic-encephalopathy-what-the-multidisciplinary-team-can-do
#20
REVIEW
Andy Liu, Eric R Yoo, Osama Siddique, Ryan B Perumpail, George Cholankeril, Aijaz Ahmed
Hepatic encephalopathy (HE) is a complex disease requiring a multidisciplinary approach among specialists, primary care team, family, and caregivers. HE is currently a diagnosis of exclusion, requiring an extensive workup to exclude other possible etiologies, including mental status changes, metabolic, infectious, traumatic, and iatrogenic causes. The categorization of HE encompasses a continuum, varying from the clinically silent minimal HE (MHE), which is only detectable using psychometric tests, to overt HE, which is further divided into four grades of severity...
2017: Journal of Multidisciplinary Healthcare
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