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Devastating brain injury

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https://www.readbyqxmd.com/read/28918695/large-animal-models-of-traumatic-brain-injury
#1
Jun-Xi Dai, Yan-Bin Ma, Nan-Yang Le, Jun Cao, Yang Wang
Traumatic brain injury (TBI) is a devastating and common health problem in today's society. Relevant animal models of TBI provide powerful tools to study TBI in a controlled, rigorous and cost-efficient manner. The mostly used animals in TBI studies so far are rodents, however, huge inter-species differences in anatomy, morphology, metabolism, neurobiology, and lifespan between rodents and humans have impeded the translation of research findings from labs to human. Compared with rodents, large animals (eg. swine, rabbit, sheep, ferret) show great advantages in modelling TBI due to the similarity of their brains to human brain...
September 18, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/28844451/risk-factors-for-new-onset-depression-after-first-time-traumatic-brain-injury
#2
Durga Roy, Vassilis Koliatsos, Sandeep Vaishnavi, Dingfen Han, Vani Rao
BACKGROUND: Major depression after traumatic brain injury (TBI) has devastating consequences as it increases the risk of suicide, impairs overall quality of life, and affects interpersonal, occupational, and social functioning. Although the literature has reported factors associated with depression after TBI, very few studies have examined the prevalence and correlates focused on the development of new-onset depression (NOD) after first-time TBI. Our study aimed to identify TBI- and non-TBI-related factors associated with the development of NOD in the first year after TBI...
July 20, 2017: Psychosomatics
https://www.readbyqxmd.com/read/28842638/efficacy-of-laropiprant-in-minimizing-brain-injury-following-experimental-intracerebral-hemorrhage
#3
Abdullah Shafique Ahmad, Monique Mendes, Damian Hernandez, Sylvain Doré
Intracerebral hemorrhage (ICH) is one of the most devastating and disabling forms of stroke, yet effective treatments are still lacking. Prostaglandins and their receptors have been implicated in playing vital roles in ICH outcomes. Recently, laropiprant, a DP1 receptor antagonist, has been used in combination with niacin to abolish the prostaglandin D2-(PGD2)-induced flushing. Here, we test the hypothesis that laropiprant limits bleeding and rescues the brain from ICH. Wildtype (WT) and DP1(-/-) mice were subjected ICH and neurologic deficits and hemorrhagic lesion outcomes were evaluated at 72 hours after the ICH...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28841840/can-brain-impermeable-bace1-inhibitors-serve-as-anti-caa-medicine
#4
Jian-Ming Li, Li-Ling Huang, Fei Liu, Bei-Sha Tang, Xiao-Xin Yan
BACKGROUND: Cerebral amyloid angiopathy (CAA) is characterized by the deposition of ß-amyloid peptides (Aß) in and surrounding the wall of microvasculature in the central nervous system, together with parenchymal amyloid plaques collectively referred to as cerebral amyloidosis, which occurs in the brain commonly among the elderly and more frequently in patients with Alzheimer's disease (AD). CAA is associated with vascular injury and may cause devastating neurological outcomes. No therapeutic approach is available for this lesion to date...
August 25, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28829350/pathophysiology-and-neuroprotective-strategies-in-hypoxic-ischemic-brain-injury-and-stroke
#5
EDITORIAL
Bruno P Meloni
Hypoxic-ischemic brain injury and stroke are closely related and devastating conditions that can affect individuals of all ages.[...].
August 22, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28813810/dissociating-two-sources-of-variability-using-a-safety-margin-model
#6
Amit K Shah, James L Patton
Neurological trauma can have a devastating effect on activities of daily living. One of the consequences is an increased amount of variability in the system, which can challenge individuals to stay within safe and stable regions of operation. There are multiple sources of movement variability; two of these are neuromotor noise and action-tolerance variability. The amount of neuromotor noise that is uncontrollable can impose limitations on reshaping variability. Action-tolerance variability, which can be reshaped through experience, and neuromotor noise, a certain amount of which cannot be altered, are often conflated when discussing motor variability...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28811138/intermittent-hypoxia-training-powerful-non-invasive-cerebroprotection-against-ethanol-withdrawal-excitotoxicity
#7
REVIEW
Marianna E Jung, Robert T Mallet
Ethanol intoxication and withdrawal exact a devastating toll on the central nervous system. Abrupt ethanol withdrawal provokes massive release of the excitatory neurotransmitter glutamate, which over-activates its postsynaptic receptors, causing intense Ca(2+) loading, p38 mitogen activated protein kinase activation and oxidative stress, culminating in ATP depletion, mitochondrial injury, amyloid β deposition and neuronal death. Collectively, these mechanisms produce neurocognitive and sensorimotor dysfunction that discourages continued abstinence...
August 12, 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/28792246/assessing-the-efficacy-of-endovascular-therapy-in-stroke-treatments-updates-from-the-new-generation-of-trials
#8
Gregory B Walker, Ashutosh P Jadhav, Tudor G Jovin
For the past 20 years, intravenous recombinant tissue plasminogen activator (rt-PA) has been the only proven treatment for acute ischemic stroke. Large arteries such as the internal carotid artery, the middle cerebral artery and the basilar artery supply blood to large volumes of brain tissue. When occluded, these vessels may have low response rates to rt-PA resulting in devastating injury and death. Areas covered: In 2013, three trials evaluating the efficacy of mechanical thrombectomy in acute stroke were neutral, however, lessons learned from these trials resulted in a second generation of five trials in 2015 and a sixth in 2016 which all demonstrated significant benefit for select patients...
September 4, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28763417/sport-and-sex-specific-reporting-trends-in-the-epidemiology-of-concussions-sustained-by-high-school-athletes
#9
Michael S Schallmo, Joseph A Weiner, Wellington K Hsu
BACKGROUND: Approximately 300,000 U.S. adolescents sustain concussions annually while participating in organized athletics. This study aimed to track sex and sport-specific trends among high school sports-related concussions over time, to identify whether a particular sport predisposes athletes to a higher risk, and to assess whether traumatic brain injury law enactments have been successful in improving recognition. METHODS: Injury data for academic years 2005 to 2014 were collected from annual reports generated by High School RIO (Reporting Information Online)...
August 2, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28752408/the-nlrp3-inflammasome-an-important-driver-of-neuroinflammation-in-hemorrhagic-stroke
#10
REVIEW
Shao-Jun Yang, Gao-Feng Shao, Jiang-Li Chen, Jie Gong
Hemorrhagic stroke is a devastating clinical event with no effective medical treatment. Neuroinflammation, which follows a hemorrhagic stroke, is an important element that involves both acute brain injury and subsequent brain rehabilitation. Therefore, delineating the key inflammatory mediators and deciphering their pathophysiological roles in hemorrhagic strokes is of great importance in the development of novel therapeutic targets for this disease. The NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome is a multi-protein complex that is localized within the cytoplasm...
July 27, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28748060/a-case-of-attempted-bilateral-self-enucleation-in-a-patient-with-bipolar-disorder
#11
Hannah Muniz Castro, John Alvarez, Robert G Bota, Marc Yonkers, Jeremiah Tao
Attempted and completed self-enucleation, or removal of one's own eyes, is a rare but devastating form of self-mutilation behavior. It is often associated with psychiatric disorders, particularly schizophrenia, substance induced psychosis, and bipolar disorder. We report a case of a patient with a history of bipolar disorder who gouged his eyes bilaterally as an attempt to self-enucleate himself. On presentation, the patient was manic with both psychotic features of hyperreligous delusions and command auditory hallucinations of God telling him to take his eyes out...
March 22, 2017: Mental Illness
https://www.readbyqxmd.com/read/28714328/neuronal-expression-of-the-mitochondrial-protein-prohibitin-confers-profound-neuroprotection-in-a-mouse-model-of-focal-cerebral-ischemia
#12
Anja Kahl, Corey J Anderson, Liping Qian, Henning Voss, Giovanni Manfredi, Costantino Iadecola, Ping Zhou
The mitochondrial protein prohibitin (PHB) has emerged as an important modulator of neuronal survival in different injury modalities . We previously showed that viral gene transfer of PHB protects CA1 neurons from delayed neurodegeneration following transient forebrain ischemia through mitochondrial mechanisms. However, since PHB is present in all cell types, it is not known if its selective expression in neurons is protective, and if the protection occurs also in acute focal ischemic brain injury, the most common stroke type in humans...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28710084/neuroprotective-strategies-following-intraparenchymal-hemorrhage
#13
REVIEW
Robin Moshe Babadjouni, Ryan E Radwanski, Brian P Walcott, Arati Patel, Ramon Durazo, Drew M Hodis, Benjamin A Emanuel, William J Mack
Intracerebral hemorrhage and, more specifically, intraparenchymal hemorrhage, are devastating disease processes with poor clinical outcomes. Primary injury to the brain results from initial hematoma expansion while secondary hemorrhagic injury occurs from blood-derived products such as hemoglobin, heme, iron, and coagulation factors that overwhelm the brains natural defenses. Novel neuroprotective treatments have emerged that target primary and secondary mechanisms of injury. Nonetheless, translational application of neuroprotectants from preclinical to clinical studies has yet to show beneficial clinical outcomes...
July 14, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28695979/withdrawal-of-treatment-after-devastating-brain-injury-post-cardiac-arrest-pathways-lead-in-best-practice
#14
EDITORIAL
A R Manara, D K Menon
No abstract text is available yet for this article.
July 11, 2017: Anaesthesia
https://www.readbyqxmd.com/read/28674346/diagnosis-and-treatment-of-traumatic-cerebrovascular-injury-pitfalls-in-the-management-of-neurotrauma
#15
Hitoshi Kobata
Traumatic cerebrovascular injury (TCVI) is an uncommon clinical entity in traumatic brain injury (TBI), yet it may cause devastating brain injury with high morbidity and mortality. Early recognition and prioritized strategic treatment are of paramount importance. A total of 1966 TBI patients admitted between 1999 and 2015 in our tertiary critical care center were reviewed. Screening of TCVI was based on the Guidelines for the Management of Severe Head Injury in Japan. TCVI was confirmed in 33 (1.7%) patients; 29 blunt and 4 penetrating injuries...
August 15, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28670576/neonatal-meningitis-overcoming-challenges-in-diagnosis-prognosis-and-treatment-with-omics
#16
REVIEW
Scott M Gordon, Lakshmi Srinivasan, Mary Catherine Harris
Neonatal meningitis is a devastating condition. Prognosis has not improved in decades, despite the advent of improved antimicrobial therapy and heightened index of suspicion among clinicians caring for affected infants. One in ten infants die from meningitis, and up to half of survivors develop significant lifelong complications, including seizures, impaired hearing and vision, and delayed or arrested development of such basic skills as talking and walking. At present, it is not possible to predict which infants will suffer poor outcomes...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28637049/protecting-oligodendrocytes-by-targeting-non-glutamate-receptors-as-a-new-therapeutic-strategy-for-ischemic-stroke
#17
Pan Luo, Dong Liu, Lianjun Guo
Ischemic stroke has many devastating effects within the brain. At the cellular level, excitotoxicity has been a popular pharmacological target for therapeutics. To date, many clinical trials have been performed with drugs that target excitatory neurotransmitter receptors, such as NMDA receptor agonists. The results, however, have been lackluster. Most efforts to understand the impacts of excitotoxicity on the brain have focused primarily on neurons, and to a lesser degree, on gliocytes as cellular targets. Recent evidence suggests that oligodendrocytes (OLGs), the myelin-forming cells in the central nervous system, are damaged by ischemia in a manner completely different from that in neurons...
2017: Pharmacology
https://www.readbyqxmd.com/read/28628542/a-rare-intramedullary-spinal-cord-metastasis-from-a-retroperitoneal-leiomyosarcoma-presenting-as-a-non-traumatic-spinal-cord-injury
#18
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/28585791/-pediatric-traumatic-brain-injury-due-to-civil-gunshot-wounds-at-a-general-hospital-in-cali-colombia
#19
L Parrado Sánchez, C Gómez, J A Valderrama Chaparro, L D Beltrán Osorio, M Sierra Ruiz, A Enríquez Marulanda, J Lobato Polo
OBJECTIVES: Traumatic brain injury (TBI) due to gunshot-wounds (GSW) is a critical situation in the pediatric population. The aim of this study is to characterize TBI in this population since there are few reports that describe it especially in Colombia where its incidence is high, also to determine which were the main mortality predictor within our population. MATERIAL AND METHODS: We conducted a retrospective cross-sectional study in which we reviewed pediatric medical records of patients that had consulted at the Fundacion Valle del Lili pediatric Emergency Room between January of 2011 and December of 2015 because of TBI due to GSW...
January 25, 2017: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/28577905/influence-of-rapidly-successive-head-impacts-on-brain-strain-in-the-vicinity-of-bridging-veins
#20
Brooklynn M Knowles, Samantha R MacGillivray, James A Newman, Christopher R Dennison
Acute subdural hematoma due to a bridging vein rupture is a devastating but rare injury. There has to date been no satisfactory biomechanical explanation for this infrequent but costly injury. We surmise that it may be associated with multiple head impacts. Though numerical models have been used to estimate vein strains in single impact events, none to date have examined the influence on localized brain strain of rapidly consecutive impacts. Using the Simulated Injury Monitor, we investigated the hypothesis that such double impacts can increase strain beyond that created by any single impact...
July 5, 2017: Journal of Biomechanics
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