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https://www.readbyqxmd.com/read/28735129/predictors-of-recurrence-and-complications-after-chronic-subdural-hematoma-surgery-a-population-based-study
#1
J Bartek, K Sjåvik, H Kristiansson, F Ståhl, I Fornebo, P Förander, A S Jakola
OBJECTIVE: To investigate predictors of recurrence and moderate to severe complications after burr-hole surgery for chronic subdural hematoma (cSDH). MATERIALS AND METHODS: A retrospective review was conducted in a Scandinavian single center population-based cohort of 759 adult cSDH patients operated with burr-hole surgery between January 1, 2005 and December 31, 2010. Possible predictors of recurrence and complications, assessed using a standardized reporting system of adverse events, were identified and analyzed in univariable analyses...
July 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28732652/correlation-of-tenascin-c-concentrations-in-serum-with-outcome-of-traumatic-brain-injury-in-humans
#2
Yuan-Yuan Zhao, Lin Lou, Kai-Chuang Yang, Hai-Bo Wang, Yan Xu, Gang Lu, Hai-Yan He
BACKGROUND: Tenascin-C, a matricellular protein, is involved in brain injury. However, change of tenascin-C concentrations in peripheral blood remains unknown after traumatic brain injury (TBI). METHODS: Serum tenascin-C concentrations were measured in 100 healthy controls, 108 severe TBI patients, 79 moderate TBI patients and 32 mild TBI patients. RESULTS: Serum tenascin-C concentrations of patients were significantly higher than those of controls...
July 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28732066/inhibition-of-pulmonary-%C3%AE-carotene-15-15-oxygenase-expression-by-glucocorticoid-involves-ppar%C3%AE
#3
Xiaoming Gong, Raju Marisiddaiah, Lewis P Rubin
β-carotene 15,15'-oxygenase (BCO1) catalyzes the first step in the conversion of dietary provitamin A carotenoids to vitamin A. This enzyme is expressed in a variety of developing and adult tissues, suggesting that its activity may regulate local retinoid synthesis. Vitamin A and related compounds (retinoids) are critical regulators of lung epithelial development, integrity, and injury repair. A balance between the actions of retinoids and glucocorticoids (GCs) promotes normal lung development and, in particular, alveolarization...
2017: PloS One
https://www.readbyqxmd.com/read/28730555/intermittent-versus-continuous-renal-replacement-therapy-in-acute-methanol-poisoning-comparison-of-clinical-effectiveness-in-mass-poisoning-outbreaks
#4
Sergey Zakharov, Jan Rulisek, Olga Nurieva, Katerina Kotikova, Tomas Navratil, Martin Komarc, Daniela Pelclova, Knut Erik Hovda
BACKGROUND: Intermittent hemodialysis (IHD) is the modality of choice in the extracorporeal treatment (ECTR) of acute methanol poisoning. However, the comparative clinical effectiveness of intermittent versus continuous modalities (CRRT) is unknown. During an outbreak of mass methanol poisoning, we therefore studied the effect of IHD versus CRRT on mortality and the prevalence of visual/central nervous system (CNS) sequelae in survivors. METHODS: The study was designed as prospective observational cohort study...
December 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28729748/on-flare-cme-characteristics-from-sun-to-earth-combining-remote-sensing-image-data-with-in-situ-measurements-supported-by-modeling
#5
Manuela Temmer, Julia K Thalmann, Karin Dissauer, Astrid M Veronig, Johannes Tschernitz, Jürgen Hinterreiter, Luciano Rodriguez
We analyze the well-observed flare and coronal mass ejection (CME) from 1 October 2011 (SOL2011-10-01T09:18) covering the complete chain of effects - from Sun to Earth - to better understand the dynamic evolution of the CME and its embedded magnetic field. We study in detail the solar surface and atmosphere associated with the flare and CME using the Solar Dynamics Observatory (SDO) and ground-based instruments. We also track the CME signature off-limb with combined extreme ultraviolet (EUV) and white-light data from the Solar Terrestrial Relations Observatory (STEREO)...
2017: Solar Physics
https://www.readbyqxmd.com/read/28725225/antiviral-functions-of-human-immunodeficiency-virus-type-1-hiv-1-specific-igg-antibodies-effects-of-antiretroviral-therapy-and-implications-for-therapeutic-hiv-1-vaccine-design
#6
REVIEW
Martyn A French, M Christian Tjiam, Laila N Abudulai, Sonia Fernandez
Contemporary antiretroviral therapy (ART) is effective and tolerable for long periods of time but cannot eradicate human immunodeficiency virus type 1 (HIV-1) infection by either elimination of viral reservoirs or enhancement of HIV-1-specific immune responses. Boosting "protective" HIV-1-specific immune responses by active or passive immunization will therefore be necessary to control or eradicate HIV-1 infection and is currently the topic of intense investigation. Recently reported studies conducted in HIV patients and non-human primate (NHP) models of HIV-1 infection suggest that HIV-1-specific IgG antibody responses may contribute to the control of HIV-1 infection...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28724776/inhibitory-circuits-of-the-mammalian-main-olfactory-bulb
#7
Shawn D Burton
Synaptic inhibition critically influences sensory processing throughout the mammalian brain, including the main olfactory bulb (MOB), the first station of sensory processing in the olfactory system. Decades of research across numerous laboratories have established a central role for granule cells (GCs), the most abundant GABAergic interneuron type in the MOB, in the precise regulation of principal mitral and tufted cell (M/TC) firing rates and synchrony through lateral and recurrent inhibitory mechanisms. In addition to GCs, however, the MOB contains a vast diversity of other GABAergic interneuron types, and recent findings suggest that, while fewer in number, these oft-ignored interneurons are just as important as GCs in shaping odor-evoked M/TC activity...
July 19, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28724361/serum-melatonin-levels-in-survivor-and-non-survivor-patients-with-traumatic-brain-injury
#8
Leonardo Lorente, María M Martín, Pedro Abreu-González, Antonia Pérez-Cejas, Luis Ramos, Mónica Argueso, Jordi Solé-Violán, Juan J Cáceres, Alejandro Jiménez, Victor García-Marín
BACKGROUND: Circulating levels of melatonin in patients with traumatic brain injury (TBI) have been determined in a little number of studies with small sample size (highest sample size of 37 patients) and only were reported the comparison of serum melatonin levels between TBI patients and healthy controls. As to we know, the possible association between circulating levels of melatonin levels and mortality of patients with TBI have not been explored; thus, the objective of our current study was to determine whether this association actually exists...
July 19, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28724200/effect-of-memantine-on-serum-levels-of-neuron-specific-enolase-and-on-the-glasgow-coma-scale-in-patients-with-moderate-traumatic-brain-injury
#9
Majid Mokhtari, Hossein Nayeb-Aghaei, Mehran Kouchek, Mir Mohammad Miri, Reza Goharani, Arash Amoozandeh, Sina Akhavan Salamat, Mohammad Sistanizad
Traumatic brain injury (TBI) is a major cause of disability and death globally. Despite significant progress in neuromonitoring and neuroprotection, pharmacological interventions have failed to generate favorable results. We examined the effect of memantine on serum levels of neuron-specific enolase (NSE), a marker of neuronal damage, and the Glasgow Coma Scale (GCS) in patients with moderate TBI. Patients were randomly assigned to the control group (who received standard TBI management) and the treatment group (who, alongside their standard management, received enteral memantine 30 mg twice daily for 7 days)...
July 19, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28723840/cervical-spine-evaluation-and-clearance-in-the-intoxicated-patient-a-prospective-western-trauma-association-multi-institutional-trial-and-survey
#10
Matthew J Martin, Lisa D Bush, Kenji Inaba, Saskya Byerly, Martin Schreiber, Kimberly A Peck, Galinos Barmparas, Jay Menaker, Joshua P Hazelton, Raul Coimbra, Martin D Zielinski, Carlos V R Brown, Chad G Ball, Jill R Cherry-Bukowiec, Clay Cothren Burlew, Julie Dunn, C Todd Minshall, Matthew M Carrick, Gina M Berg, Demetrios Demetriades, William Long
INTRODUCTION: Intoxication often prevents clinical clearance of the cervical spine (Csp) after trauma leading to prolonged immobilization even with a normal CT scan. We evaluated the accuracy of CT at detecting clinically significant Csp injury, and surveyed participants on related opinions and practice. METHODS: A prospective multicenter study (2013-2015) at 17 centers. All adult blunt trauma patients underwent structured clinical examination and imaging including a Csp CT, with follow-up thru discharge...
July 19, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28722800/role-of-the-long-non-coding-rna-gas5-in-glucocorticoid-response-in-children-with-inflammatory-bowel-disease
#11
Marianna Lucafò, Alessia Di Silvestre, Maurizio Romano, Alice Avian, Roberta Antonelli, Stefano Martelossi, Samuele Naviglio, Alberto Tommasini, Gabriele Stocco, Alessandro Ventura, M D Giuliana Decorti, Sara De Iudicibus
Glucocorticoids (GCs) are widely employed in inflammatory, autoimmune and neoplastic diseases, and, despite the introduction of novel therapies, remain the first-line treatment for inducing remission in inflammatory bowel disease (IBD). Given the high incidence of suboptimal response, associated with a significant number of side effects, that are particularly severe in paediatric patients, the identification of subjects that are most likely to respond poorly to GCs is extremely important. Recent evidence suggests that the long non-coding RNA (lncRNA) GAS5 could be a potential marker of GC resistance...
July 19, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28722058/activation-of-nrf2-are-signaling-pathway-attenuates-lanthanum-chloride-induced-injuries-in-primary-rat-astrocytes
#12
Lijin Zhang, Jinghua Yang, Shengwen Wu, Cuihong Jin, Xiaobo Lu, Xiaoyu Hu, Yaling Sun, Xiang Gao, Yuan Cai
Lanthanum (La) exposure can lead to learning and memory disorder in animals; however, the underlying mechanism of La induced neurotoxicity is still unknown. It has been demonstrated that Nrf2 activation by tert-butylhydroquinone (tBHQ) results in neuroprotection against brain injuries. However, little study has been done with respect to its effect on La induced neurotoxicity. Herein, experiments are undertaken to determine if there is a correlation between La damaged astrocytes and the Nrf2/ARE signalling pathway...
July 19, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28716430/non-invasive-evaluation-of-right-ventricular-function-with-real-time-3-d-echocardiography
#13
Ran Chen, Meihua Zhu, Kacie Amacher, Xia Wu, David J Sahn, Muhammad Ashraf
The aim of this study was to evaluate the accuracy and feasibility of real-time 3-D echocardiography (3-DE) in assessing right ventricular (RV) systolic function. A latex balloon was inserted into the right ventricle of 20 freshly harvested pig hearts which were then passively driven by a pulsatile pump apparatus. The RV global longitudinal strain (GLS), global circumferential strain (GCS), global area strain (GAS) and RV ejection fraction (RVEF), derived from 3-DE, as well as the RVEF obtained from 2-D echocardiography (2-DE) were quantified at different stroke volumes (30-70 mL) and compared with sonomicrometry data...
July 14, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28716210/exploring-injury-severity-measures-and-in-hospital-mortality-a-multi-hospital-study-in-kenya
#14
Yuen W Hung, Huan He, Amber Mehmood, Isaac Botchey, Hassan Saidi, Adnan A Hyder, Abdulgafoor M Bachani
INTRODUCTION: Low- and middle-income countries (LMICs) have a disproportionately high burden of injuries. Most injury severity measures were developed in high-income settings and there have been limited studies on their application and validity in low-resource settings. In this study, we compared the performance of seven injury severity measures: estimated Injury Severity Score (eISS), Glasgow Coma Score (GCS), Mechanism, GCS, Age, Pressure score (MGAP), GCS, Age, Pressure score (GAP), Revised Trauma Score (RTS), Trauma and Injury Severity Score (TRISS) and Kampala Trauma Score (KTS), in predicting in-hospital mortality in a multi-hospital cohort of adult patients in Kenya...
July 8, 2017: Injury
https://www.readbyqxmd.com/read/28715363/decompressive-craniectomy-vs-craniotomy-only-for-intracranial-hemorrhage-evacuation-a-propensity-matched-study
#15
Faisal Jehan, Asad Azim, Peter Rhee, Muhammad Khan, Lynn Gries, Terence OʼKeeffe, Narong Kulvatunyou, Andrew Tang, Bellal Joseph
BACKGROUND: Decompressive craniectomy (DC) is often performed in conjunction with evacuation of intracranial hemorrhage (ICH) to control intracranial pressure (ICP) in patients with a traumatic brain injury (TBI). The efficacy of DC in lowering ICP is well established, however, its effect on clinical outcomes remains controversial. The aim of our study is to assess outcomes in TBI patients undergoing decompressive craniectomy (DC) vs. craniotomy only (CO) for the evacuation of intracranial hemorrhage...
July 15, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28715359/attempting-to-validate-the-over-under-triage-matrix-at-a-level-i-trauma-center
#16
James W Davis, Rachel C Dirks, Lawrence P Sue, Krista L Kaups
BACKGROUND: The Optimal Resources Document (ORD) mandates trauma activation based on injury mechanism, physiologic and anatomic criteria and recommends using the over/undertriage matrix (Matrix) to evaluate the appropriateness of trauma team activation. The purpose of this study was to assess the effectiveness of the Matrix method by comparing patients appropriately triaged with those undertriaged. We hypothesized that these two groups are different and Matrix does not discriminate the needs or outcomes of these different groups of patients...
July 15, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28713626/recurrent-hemorrhage-in-hemangioblastoma-involving-the-posterior-fossa-case-report
#17
Eric Marvin, Asad S Akhter, Jeroen R Coppens
BACKGROUND: Hemangioblastomas (HGBs) are the most common primary intra-axial posterior fossa tumor in adults. Although spontaneous hemorrhage of these tumors is exceedingly rare, despite their vascular nature, we describe a case of recurrent hemorrhage with associated tonsillar herniation, and demonstrate that a surgical approach can provide a suitable outcome. CASE DESCRIPTION: A 54-year-old female with von Hippel-Lindau (VHL) syndrome presented with acute loss of consciousness and Glasgow Coma Scale (GCS) was 4...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28713400/overexpression-of-e3-ubiquitin-ligase-gene-adbil-contributes-to-resistance-against-chilling-stress-and-leaf-mold-disease-in-tomato
#18
Shuangchen Chen, Hongjiao Zhao, Mengmeng Wang, Jidi Li, Zhonghong Wang, Fenghua Wang, Airong Liu, Golam J Ahammed
Ubiquitination is a common regulatory mechanism, playing a critical role in diverse cellular and developmental processes in eukaryotes. However, a few reports on the functional correlation between E3 ubiquitin ligases and reactive oxygen species (ROS) or reactive nitrogen species (RNS) metabolism in response to stress are currently available in plants. In the present study, the E3 ubiquitin ligase gene AdBiL (Adi3 Binding E3 Ligase) was introduced into tomato line Ailsa Craig via Agrobacterium-mediated method...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28713371/regulation-of-subunit-specific-germinal-center-b-cell-responses-to-the-hiv-1-envelope-glycoproteins-by-antibody-mediated-feedback
#19
Mattias N E Forsell, Linda Kvastad, Saikiran K Sedimbi, John Andersson, Mikael C I Karlsson
The regulation of germinal center (GC) B cell responses to single epitopes is well investigated. How monoclonal B cells are regulated within the polyclonal B cell response to protein antigens is less so. Here, we investigate the primary GC B cell response after injection of mice with HIV-1 envelope glycoproteins. We demonstrate that single GCs are seeded by a diverse number of B cell clones shortly after a single immunization and that the presence of Env-specific antibodies can inhibit the development of early GC B cells...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28711170/early-selenium-treatment-for-traumatic-brain-injury-does-it-improve-survival-and-functional-outcome
#20
Hosseinali Khalili, Rebecka Ahl, Yang Cao, Shahram Paydar, Gabriel Sjölin, Amin Niakan, Gholamreza Dabiri, Shahin Mohseni
BACKGROUND: Traumatic brain injury (TBI) is a major cause of death and debility following trauma. The initial brain tissue insult is worsened by secondary reactive responses including oxidative stress reactions, inflammatory changes and subsequent permanent neurologic deficits. Effective agents to improve functional outcome and survival following TBI are scarce. Selenium is an antioxidant which has shown to reduce oxidative stress. This study examines the effect of intravenous selenium (Selenase(®)) treatment in patients with severe TBI on functional outcome and survival in a prospective study design...
July 8, 2017: Injury
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