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https://www.readbyqxmd.com/read/28643814/-unresponsive-wakefulness-syndrome-clinical-predictors-of-late-recovery
#1
Gianfranco Lamberti, Elena Antoniono, Francesca Gozzerino, Donatella Giraudo
Patients affected by the outcomes of serious traumatic and/or non-traumatic brain injury may show progressive recovery characterized by a broad spectrum of clinical conditions, which are often not completely different, but of differing seriousness. The unresponsive wakefulness syndrome (UWS) and minimally conscious state (MCS) are syndromes that may characterize progression from the coma state and may be temporary clinical conditions, or in some cases, the final outcome of acute brain injury. The eventual recovery of consciousness is a dynamic process, in constant progress following the acute event...
May 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28634442/mild-traumatic-brain-injury-evokes-pyramidal-neuron-axon-initial-segment-plasticity-and-diffuse-presynaptic-inhibitory-terminal-loss
#2
Michal Vascak, Jianli Sun, Matthew Baer, Kimberle M Jacobs, John T Povlishock
The axon initial segment (AIS) is the site of action potential (AP) initiation, thus a crucial regulator of neuronal activity. In excitatory pyramidal neurons, the high density of voltage-gated sodium channels (NaV1.6) at the distal AIS regulates AP initiation. A surrogate AIS marker, ankyrin-G (ankG) is a structural protein regulating neuronal functional via clustering voltage-gated ion channels. In neuronal circuits, changes in presynaptic input can alter postsynaptic output via AIS structural-functional plasticity...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28633999/characteristics-of-a-mild-traumatic-brain-injury-sample-recruited-using-amazon-s-mechanical-turk
#3
John Bernstein, Matthew Calamia
BACKGROUND: Several barriers exist in the recruitment of individuals with a history of mild traumatic brain injury (mTBI). The current study is the first to examine whether crowdsourcing, which has been used in other clinical populations, is useful in the recruitment of those with mTBI. OBJECTIVE: To examine whether Amazon's Mechanical Turk (MTurk), an online crowdsourcing platform, is a useful tool in the recruitment of individuals with a history of mild traumatic brain injury (mTBI) and to examine the injury and psychological characteristics of individuals who report a history of mTBI...
June 17, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28633545/late-recovery-of-awareness-in-prolonged-disorders-of-consciousness-a-cross-sectional-cohort-study
#4
Kudret Yelden, Sophie Duport, Leon M James, Agnieszka Kempny, Simon F Farmer, Alex P Leff, E Diane Playford
PURPOSE: To detect any improvement of awareness in prolonged disorders of consciousness in the long term. METHODS: A total of 34 patients with prolonged disorders of consciousness (27 vegetative state and seven minimally conscious state; 16 males; aged 21-73) were included in the study. All patients were initially diagnosed with vegetative/minimally conscious state on admission to our specialist neurological rehabilitation unit. Re-assessment was performed 2-16 years later using Coma Recovery Scale-Revised...
June 21, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28631816/cognitive-rehabilitation-for-adults-with-traumatic-brain-injury-to-improve-occupational-outcomes
#5
REVIEW
K Suresh Kumar, Selvaraj Samuelkamaleshkumar, Anand Viswanathan, Ashish S Macaden
BACKGROUND: Cognitive impairment in people with traumatic brain injury (TBI) could affect multiple facets of their daily functioning. Cognitive rehabilitation brings about clinically significant improvement in certain cognitive skills. However, it is uncertain if these improved cognitive skills lead to betterments in other key aspects of daily living. We evaluated whether cognitive rehabilitation for people with TBI improves return to work, independence in daily activities, community integration and quality of life...
June 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28630485/acute-administration-of-catalase-targeted-to-icam-1-attenuates-neuropathology-in-experimental-traumatic-brain-injury
#6
Evan M Lutton, Roshanak Razmpour, Allison M Andrews, Lee Anne Cannella, Young-Jin Son, Vladimir V Shuvaev, Vladimir R Muzykantov, Servio H Ramirez
Traumatic brain injury (TBI) contributes to one third of injury related deaths in the US. Treatment strategies for TBI are supportive, and the pathophysiology is not fully understood. Secondary mechanisms of injury in TBI, such as oxidative stress and inflammation, are points at which intervention may reduce neuropathology. Evidence suggests that reactive oxygen species (ROS) propagate blood-brain barrier (BBB) hyperpermeability and inflammation following TBI. We hypothesized that targeted detoxification of ROS may improve the pathological outcomes of TBI...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28628542/a-rare-intramedullary-spinal-cord-metastasis-from-a-retroperitoneal-leiomyosarcoma-presenting-as-a-non-traumatic-spinal-cord-injury
#7
Andrew Lamberth Parker, Terrence Pugh, Mark A Hirsch
Leiomyosarcoma (LMS) is a rare but well-recognized malignant soft tissue sarcoma of smooth muscle origin. Metastases commonly occur in the lungs, liver, kidney, brain, and bone. Cases of metastatic osseous lesions or other extradural space-occupying masses secondary to LMS leading to neurologic compromise are relatively commonplace in the literature. Conversely, cases of intramedullary spinal cord metastasis (ISCM), an unusual entity as a sequela of any cancer, are exceedingly rare as a consequence of LMS. Only 2 cases of an ISCM from LMS are currently documented in the literature, and to the best of our knowledge, no case is described in the rehabilitation literature...
July 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28622071/survival-in-out-of-hospital-rapid-sequence-intubation-of-non-traumatic-brain-pathologies
#8
Pieter Francsois Fouche, Paul Andrew Jennings, Karen Smith, Malcolm Boyle, Gabriel Blecher, Jonathan Knott, Mani Raji, Pamela Rosengarten, Michael Roberto Augello, Stephen Bernard
INTRODUCTION: Rapid sequence intubation (RSI) is not only used in traumatic brain injuries in the out-of-hospital setting, but also for non-traumatic brain pathologies (NTBP) such as brain tumors, meningitis, encephalitis, hypoxic/anoxic brain injury, stroke, arteriovenous malformations, tumors, aneurysms, brain hemorrhage, as well as brain injury due to diabetes, seizures and toxicity, metabolic conditions, and alcohol and drug overdose. Previous research suggests that RSI is common in non-traumatic coma, but with an unknown prevalence of NTBP in those that receive RSI...
June 16, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28609381/remote-ischemic-conditioning-preserves-cognition-and-motor-coordination-in-a-mouse-model-of-traumatic-brain-injury
#9
Alexander J Sandweiss, Asad Azim, Kareem Ibraheem, Tally M Largent-Milnes, Peter Rhee, Todd W Vanderah, Bellal Joseph
INTRODUCTION: Management of traumatic brain injury (TBI) is focused on minimizing or preventing secondary brain injury. Remote ischemic conditioning (RIC) is an established treatment modality that has been shown to improve patient outcomes in different clinical settings by influencing inflammatory insults. In a clinical trial, RIC showed amelioration of SB100 and NSE. The aim of our study was to further elucidate the mechanisms and outcome when applying RIC in a mouse model of traumatic brain injury...
June 13, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28607341/thrombolysis-for-non-traumatic-intra-ventricular-hemorrhage-in-adults-a-critical-reappraisal
#10
Daniele Starnoni, Mauro Oddo, Rodolfo Maduri, Mahmoud Messerer, Roy T Daniel
Intra-ventricular hemorrhage (IVH) is a critical condition with high rate of morbidity and mortality due to acute hydrocephalus and secondary brain injury. Mechanisms underlining the clinical deterioration are not only related to the appearance of an acute hydrocephalus but also to blood- clot mass effect and the inflammatory effects of blood break-down products which impede local blood flow and exert a direct toxic effect on the peri-ventricular structures leading to chronic hydrocephalus. An effective treatment strategy should aim at IVH fast removal and reduction of blood-clot mass effect...
June 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28599608/a-brain-electrical-activity-eeg-based-biomarker-of-functional-impairment-in-traumatic-head-injury-a-multisite-validation-trial
#11
Daniel Hanley, Leslie S Prichep, Neeraj Badjatia, Jeff Bazarian, RIchard P Chiacchierini, Kenneth C Curley, John S Garrett, Elizabeth B Jones, Rosanne Naunheim, Brian J O'Neil, John O'Neill, Wright David, J Stephen Huff
The potential clinical utility of a novel quantitative EEG-based Brain Function Index (BFI) as a measure of the presence and severity of functional brain injury was studied as part of an independent prospective validation trial. The BFI was derived using EEG features associated with functional brain impairment reflecting current consensus on the physiology of concussive injury. 720 adult patients (18-85 years) evaluated within 72 hours of sustaining a closed head injury were enrolled at 11 US Emergency Departments...
June 9, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28588689/safety-of-neural-stem-cell-transplantation-in-patients-with-severe-traumatic-brain-injury
#12
Zhigang Wang, Yong Luo, Lvan Chen, Wu Liang
Neural stem cell (NSC) therapy is a promising treatment for traumatic brain injury (TBI). In addition, mesenchymal stem cells (MSCs) have been investigated for the treatment of TBI due to their functions in neural regeneration and their neurotrophic effect. In the present study, the safety, feasibility and biological effects of autologous MSC-derived NSC-like cell transplantation were investigated in 10 patients with severe TBI. All patients received intravenous or intrathecal injections of human NSC-like cells and were evaluated with physical and neurological examinations, routine laboratory tests and neuroradiological findings...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28585890/hypoxic-conditioning-and-the-central-nervous-system-a-new-therapeutic-opportunity-for-brain-and-spinal-cord-injuries
#13
S Baillieul, S Chacaroun, S Doutreleau, O Detante, J L Pépin, S Verges
Central nervous system diseases are among the most disabling in the world. Neuroprotection and brain recovery from either acute or chronic neurodegeneration still represent a challenge in neurology and neurorehabilitation as pharmacology treatments are often insufficiently effective. Conditioning the central nervous system has been proposed as a potential non-pharmacological neuro-therapeutic. Conditioning refers to a procedure by which a potentially deleterious stimulus is applied near to but below the threshold of damage to the organism to increase resistance to the same or even different noxious stimuli given above the threshold of damage...
June 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28574414/impaired-fracture-healing-with-high-non-union-rates-remains-irreversible-after-traumatic-brain-injury-in-leptin-deficient-mice
#14
F Graef, R Seemann, A Garbe, K Schmidt-Bleek, K D Schaser, J Keller, G Duda, S Tsitsilonis
Patients with traumatic brain injury (TBI) and long-bone fractures can show increased callus formation. This effect has already been reproduced in wild-type (wt) mice. However, the mechanisms remain poorly understood. Leptin is significantly increased following TBI, while its role in bone healing remains unclear. The aim of this study was to evaluate fracture healing in leptin-deficient ob/ob mice and to measure any possible impact of TBI on callus formation. 138 female, 12 weeks old, ob/ob mice were divided into four groups: Control, fracture, TBI and combined trauma...
June 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
https://www.readbyqxmd.com/read/28574340/robust-nonlinear-causality-analysis-of-non-stationary-multivariate-physiological-time-series
#15
Tim Schaeck, Michael Muma, Mengling Feng, Cuntai Guan, Abdelhak Zoubir
GOAL: An important research area in biomedical signal processing is that of quantifying the relationship between simultaneously observed time series and to reveal interactions between the signals. Since biomedical signals are potentially non-stationary and the measurements may contain outliers and artifacts, we introduce a robust time-varying generalized partial directed coherence (rTV-gPDC) function. METHODS: The proposed method, which is based on a robust estimator of the timevarying autoregressive (TVAR) parameters, is capable of revealing directed interactions between signals...
May 26, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28552700/analysis-of-factors-related-to-hypopituitarism-in-non-sellar-intracranial-tumor-patients
#16
Song-Song Lu, Jian-Jun Gu, Xiao-Hong Luo, Jian-He Zhang, Shou-Sen Wang
OBJECTIVES: Previous studies have suggested that postoperative hypopituitarism in patients with non-sellar intracranial tumors is caused by traumatic surgery. However, with development of minimally invasive and precise neurosurgical techniques, the degree of injury to brain tissue has been reduced significantly, especially for parenchymal tumors. Therefore, understanding pre-existing hypopituitarism and related risk factors can improve perioperative management for patients with non-sellar intracranial tumors...
May 24, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28547319/systemic-inflammatory-response-syndrome-sirs-score-independently-predicts-poor-outcome-in-isolated-traumatic-brain-injury
#17
Tomas Jacome, Danielle Tatum
INTRODUCTION: Systemic inflammatory response syndrome (SIRS) is frequently observed after various types of acute cerebral injury and has been linked to clinical deterioration in non-traumatic brain injury (TBI). SIRS scores have also been shown to be predictive of length of stay and mortality in trauma patients. We aimed to determine the prognostic utility of SIRS present at admission in trauma patients with isolated TBI. METHODS: This was a 5-year retrospective cohort study of adults (≥18 years) with isolated TBI admitted to a Level II trauma center...
May 25, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/28543180/traf6-participates-in-early-brain-injury-after-subarachnoid-hemorrhage-in-rats-through-inhibiting-autophagy-and-promoting-oxidative-stress
#18
Yang Dou, Haitao Shen, Dongxia Feng, Haiying Li, Xiaodi Tian, Jian Zhang, Zhong Wang, Gang Chen
Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a member of the TRAF family and an important multifunctional intracellular adaptin of the tumor necrosis factor (TNF) superfamily and toll/IL-1 receptor (TIR) superfamily. TRAF6 has been studied in several central nervous system (CNS) diseases, including ischemic stroke, traumatic brain injury and neurodegenerative diseases, but its role in subarachnoid hemorrhage (SAH) has not been fully illustrated. This study was designed to explore changes of expression level and potential roles and mechanisms of TRAF6 in early brain injury (EBI) after SAH by using a Sprague-Dawley rat model of SAH induced in 0...
May 24, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28540042/factors-affecting-the-concussion-knowledge-of-athletes-parents-coaches-and-medical-professionals
#19
Michael D Cusimano, Stanley Zhang, Jane Topolovec-Vranic, Michael G Hutchison, Rowan Jing
OBJECTIVES: To determine the predictors of knowledge and awareness of concussion symptoms and outcomes through a survey of athletes, parents of players and coaches in sports settings in Canada. METHODS: A cross-sectional survey of athletic communities in Canada was conducted. Respondents' concussion knowledge score consists of responses to questions about the symptoms, diagnosis, and treatment of a concussion and the timing of return-to-sport post-concussion. The percentage of correct responses was defined as the "identification rate...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28539077/clinical-utility-of-the-mbias-and-nsi-validity-10-to-detect-symptom-over-reporting-following-mild-tbi-a-multicenter-investigation-with-military-service-members
#20
Patrick Armistead-Jehle, Douglas B Cooper, Chad E Grills, Wesley R Cole, Sara M Lippa, Robert L Stegman, Rael T Lange
Self-report measures are commonly relied upon in military healthcare environments to assess service members following a mild traumatic brain injury (mTBI). However, such instruments are susceptible to over-reporting and rarely include validity scales. This study evaluated the utility of the mild Brain Injury Atypical Symptoms scale (mBIAS) and the Neurobehavioral Symptom Inventory Validity-10 scale to detect symptom over-reporting. A total of 359 service members with a reported history of mTBI were separated into two symptom reporting groups based on MMPI-2-RF validity scales (i...
May 25, 2017: Journal of Clinical and Experimental Neuropsychology
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