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https://www.readbyqxmd.com/read/28341151/mice-heterozygous-for-an-inactivated-allele-of-the-schizophrenia-associated-brd1-gene-display-selective-cognitive-deficits-with-translational-relevance-to-schizophrenia
#1
Per Qvist, Anto P Rajkumar, John P Redrobe, Mette Nyegaard, Jane H Christensen, Ole Mors, Gregers Wegener, Michael Didriksen, Anders D Børglum
Schizophrenia is a debilitating brain disorder characterized by disturbances of emotion, perception and cognition. Cognitive impairments predict functional outcome in schizophrenia and are detectable even in the prodromal stage of the disorder. However, our understanding of the underlying neurobiology is limited and procognitive treatments remain elusive. We recently demonstrated that mice heterozygous for an inactivated allele of the schizophrenia-associated Brd1 gene (Brd1(+/-) mice) display behaviors reminiscent of schizophrenia, including impaired social cognition and long-term memory...
March 21, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28338594/the-association-of-non-accidental-trauma-with-historical-factors-exam-findings-and-diagnostic-testing-during-the-initial-trauma-evaluation
#2
Mauricio A Escobar, Marc Auerbach, Katherine Flynn-O'Brien, Gunjan Tiyyagura, Matthew A Borgman, Susan J Duffy, Kelly Falcone, Rita Burke, John M Cox, Sabine Maguire
Early identification of non-accidental trauma (NAT) is a critical component of pediatric trauma care. Literature searches were conducted related to the association of NAT with seven key areas: history, exam findings (burns, oral trauma, bruising) and imaging (fractures, abdominal and brain injuries). When available, odds ratios (OR) with 95% confidence intervals (CI) for associations with NAT are presented. Systematic reviews have been published in six of the seven key areas and are described. The operational definition of NAT was widely variable across studies, prohibiting meta-analysis...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28338430/trends-of-second-primary-malignancy-in-patients-with-thyroid-cancer-a-population-based-cohort-study-in-israel
#3
Elena Izkhakov, Micha Barchana, Irena Liphshiz, Barbara Silverman, Naftali Stern, Lital Keinan-Boker
BACKGROUND: Thyroid cancer (TC) is the most common endocrine malignancy. TC patients have a good prognosis and a low disease-related mortality rate. Since the patients are often young, they may be at a higher risk for a second primary malignancy (SPM). We sought to determine the incidence, risk and types of SPM between 1980-2011, and to assess SPM trends over time among Israeli TC patients. METHODS: Data were derived from the Israel National Cancer Registry. Primary TC patients diagnosed during 1980-2009 were followed-up for SPM incidence until December 31, 2011...
March 24, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28335673/modifiable-risk-factors-for-delirium-in-critically-ill-trauma-patients
#4
Marc-Alexandre Duceppe, David R Williamson, Audrée Elliott, Mélissa Para, Marie-Christine Poirier, Marie-Soleil Delisle, Dan Deckelbaum, Tarek Razek, Monique Desjardins, Jean-Claude Bertrand, Francis Bernard, Philippe Rico, Lisa Burry, Anne Julie Frenette, Marc Perreault
OBJECTIVE: Intensive care unit (ICU)-acquired delirium has been associated with increased morbidity and mortality. Prevention strategies including modification of delirium risk factors are emphasized by practice guidelines. No study has specifically evaluated modifiable delirium risk factors in trauma ICU patients. Our goal was to evaluate modifiable risk factors for delirium among trauma patients admitted to the ICU. DESIGN: Prospective observational study. SETTING: Two level 1 trauma ICU centers...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28334675/exercise-increases-serum-brain-derived-neurotrophic-factor-in-patients-with-major-depressive-disorder
#5
A Kerling, M Kück, U Tegtbur, L Grams, S Weber-Spickschen, A Hanke, B Stubbs, K G Kahl
BACKGROUND: Brain derived neurotrophic factor (BDNF) has been implicated in the pathogenesis of major depressive disorder (MDD). Existing data on exercise treatment in people with MDD are inconsistent concerning the effect of exercise on BDNF pointing either to increased or unaltered BDNF concentrations. However, studies in non-depressed persons demonstrated a significant effect on resting peripheral BDNF concentrations in aerobic training interventions. Given the lack of clarity mentioned above, the current study aimed at examining the effect of adjunctive exercise on serum BDNF levels in guideline based treated patients with MDD...
March 18, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28332146/physiological-substrates-of-executive-functioning-a-systematic-review-of-the-literature
#6
REVIEW
Bailey A Munro, Lisa L Weyandt, Lily E Hall, Danielle R Oster, Bergljot Gyda Gudmundsdottir, Benjamin G Kuhar
Executive function (EF) is a multifaceted construct that has been defined as a set of higher-order cognitive processes that allow for flexibility, self-regulation, strategic planning, and goal-directed behaviors. EFs have been studied in numerous clinical disorders using a variety of neuropsychological tasks and, more recently, neuroimaging techniques. The underlying physiological substrates of EF were historically attributed to the frontal lobes; however, recent studies suggest more widespread involvement of additional brain regions...
March 22, 2017: Attention Deficit and Hyperactivity Disorders
https://www.readbyqxmd.com/read/28328980/early-biomarkers-of-brain-injury-and-cerebral-hypo-and-hyperoxia-in-the-safeboosc-ii-trial
#7
Anne M Plomgaard, Thomas Alderliesten, Topun Austin, Frank van Bel, Manon Benders, Olivier Claris, Eugene Dempsey, Monica Fumagalli, Christian Gluud, Cornelia Hagmann, Simon Hyttel-Sorensen, Petra Lemmers, Wim van Oeveren, Adelina Pellicer, Tue H Petersen, Gerhard Pichler, Per Winkel, Gorm Greisen
BACKGROUND: The randomized clinical trial, SafeBoosC II, examined the effect of monitoring of cerebral oxygenation by near-infrared spectroscopy combined with a guideline on treatment when cerebral oxygenation was out of the target range. Data on cerebral oxygenation was collected in both the intervention and the control group. The primary outcome was the reduction in the burden of cerebral hypo- and hyperoxia between the two groups. In this study we describe the associations between the burden of cerebral hypo- and hyperoxia, regardless of allocation to intervention or control group, and the biomarkers of brain injury from birth till term equivalent age that was collected as secondary and explorative outcomes in the SafeBoosC II trial...
2017: PloS One
https://www.readbyqxmd.com/read/28325236/improving-quality-and-access-to-radiation-therapy-an-iaea-perspective
#8
REVIEW
May Abdel-Wahab, Eduardo Zubizarreta, Alfredo Polo, Ahmed Meghzifene
The International Atomic Energy Agency (IAEA) has been involved in radiation therapy since soon after its creation in 1957. In response to the demands of Member States, the IAEA׳s activities relating to radiation therapy have focused on supporting low- and middle-income countries to set up radiation therapy facilities, expand the scope of treatments, or gradually transition to new technologies. In addition, the IAEA has been very active in providing internationally harmonized guidelines on clinical, dosimetry, medical physics, and safety aspects of radiation therapy...
April 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28324998/prediction-of-the-outcome-in-cardiac-arrest-patients-undergoing-hypothermia-using-eeg-wavelet-entropy
#9
Hana Moshirvaziri, Nima Ramezan-Arab, Shadnaz Asgari
Cardiac arrest (CA) is the leading cause of death in the United States. Induction of hypothermia has been found to improve the functional recovery of CA patients after resuscitation. However, there is no clear guideline for the clinicians yet to determine the prognosis of the CA when patients are treated with hypothermia. The present work aimed at the development of a prognostic marker for the CA patients undergoing hypothermia. A quantitative measure of the complexity of Electroencephalogram (EEG) signals, called wavelet sub-band entropy, was employed to predict the patients' outcomes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28320346/process-for-developing-rehabilitation-practice-recommendations-for-individuals-with-traumatic-brain-injury
#10
Librada Callender, Rachel Brown, Simon Driver, Marie Dahdah, Ashley Collinsworth, Shahid Shafi
BACKGROUND: Attempts at measuring quality of rehabilitation care are hampered by a gap in knowledge translation of evidence-based approaches and lack of consensus on best practices. However, adoption of evidence-based best practices is needed to minimize variations and improve quality of care. Therefore, the objective of this project was to describe a process for assessing the quality of evidence of clinical practices in traumatic brain injury (TBI) rehabilitative care. METHODS: A multidisciplinary team of clinicians developed discipline-specific clinical questions using the Population, Intervention, Control, Outcome process...
March 20, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28314903/diatoms-in-drowning-cases-in-forensic-veterinary-context-a-preliminary-study
#11
Nadia Fucci, Carlo P Campobasso, L Mastrogiuseppe, C Puccinelli, S Marcheggiani, L Mancini, L Marino, V L Pascali
In this preliminary study, a digestive method used in forensic context to extract diatoms has been applied in organs taken from ten wildlife animals belonging three species of mammals (a deer, a roe and five otters) and one species of birds (two magpies). Only four carcasses were recovered from aquatic environments (bath trough for animals, bathtub irrigation, river) and only in three cases out of ten that the cause of death was ruled out as drowning. In seven cases, the death was due to other causes: gunshot injuries for one otter, blunt trauma for a magpie, and traumatic injuries followed by motor vehicle collision in other four otters and a roe...
March 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28314660/alzheimer-s-disease-the-next-frontier-special-report-2017
#12
Jason Karlawish, Clifford R Jack, Walter A Rocca, Heather M Snyder, Maria C Carrillo
In the history of medicine, one means to progress is when we make the decision that our assumptions and definitions of disease are no longer consistent with the scientific evidence, and no longer serve our health care needs. The arc of scientific progress is now requiring a change in how we diagnose Alzheimer's disease. Both the National Institute on Aging-Alzheimer's Association (NIA-AA) 2011 workgroup and the International Work Group (IWG) have proposed guidelines that use detectable measures of biological changes in the brain, commonly known as biological markers, or biomarkers, as part of the diagnosis...
March 14, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28314170/-pseudo-subarachnoid-hemorrhage-sign-on-early-brain-computed-tomography-in-out-of-hospital-cardiac-arrest-survivors-receiving-targeted-temperature-management
#13
Byung Kook Lee, Youn-Jung Kim, Seung Mok Ryoo, Su Jin Kim, Dong Hun Lee, Kyung Woon Jeung, Won Young Kim
PURPOSE: Newly updated guidelines suggest brain computed tomography for out-of-hospital cardiac arrest survivors to identify a neurologic cardiac arrest cause. We hypothesized that the "pseudo-subarachnoid hemorrhage" (p-SAH) sign in cardiac arrest survivors is associated with poor outcome. MATERIALS AND METHODS: We retrospectively evaluated the registries of 2 tertiary hospitals, identifying 836 adult (≥18 years) patients achieving return of spontaneous circulation after out-of-hospital cardiac arrest...
February 16, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28304293/coordinate-based-meta-analysis-of-the-default-mode-and-salience-network-for-target-identification-in-non-invasive-brain-stimulation-of-alzheimer-s-disease-and-behavior-variant-frontotemporal-dementia-networks
#14
Michela Pievani, Lorenzo Pini, Clarissa Ferrari, Francesca B Pizzini, Ilaria Boscolo Galazzo, Chiara Cobelli, Maria Cotelli, Rosa Manenti, Giovanni B Frisoni
BACKGROUND: The accurate choice of the site of non-invasive brain stimulation (NIBS) is an important factor in trial design. OBJECTIVE: Based on the observation that Alzheimer's disease (AD) and behavioral frontotemporal dementia (bvFTD) affect specific large-scale networks, i.e., the default mode network (DMN) and the salience network (SN), respectively, we aimed to identify population-average coordinates of these networks that could be used as potential targets in NIBS trials aiming to modulate these circuits...
March 13, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28304181/computed-tomography-angiography-as-a-confirmatory-test-for-the-diagnosis-of-brain-death
#15
Mark P Garrett, Richard W Williamson, Michael A Bohl, C Roger Bird, Nicholas Theodore
OBJECTIVE For a diagnosis of brain death (BD), ancillary testing is performed if patient factors prohibit a complete clinical examination and apnea test. The American Academy of Neurology (AAN) guidelines identify cerebral angiography (CA), cerebral scintigraphy, electroencephalography, and transcranial Doppler ultrasonography as accepted ancillary tests. CA is widely considered the gold standard of these, as it provides the most reliable assessment of intracranial blood flow. CT angiography (CTA) is a noninvasive and widely available study that is also capable of identifying absent or severely diminished intracranial blood flow, but it is not included among the AAN's accepted ancillary tests because of insufficient evidence demonstrating its reliability...
March 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28303314/-genetic-tests-for-controlling-treatment-with-antidepressants
#16
T Bschor, C Baethge, C Hiemke, B Müller-Oerlinghausen
In clinical practice, there is a need for a more individualized selection of antidepressants and adequate dosage. The investigation of pharmacokinetically relevant genes is a promising approach to assist this selection. In the past 2 years, two commercially available tests have been subject of advertisement, a test from Stada, which analyses variants of the cytochrome P450 isoenzymes CYP2D6 and CYP2C19 and a test from HMNC Brain Health, which analyses variants of the ABCB1 gene. The costs for both kits are not covered by the statutory health insurance and it is therefore proposed that the patients are invoiced directly in the form of individual healthcare payment...
March 16, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28302901/treatment-of-renal-angiomyolipoma-and-other-hamartomas-in-patients-with-tuberous-sclerosis-complex
#17
REVIEW
Joshua A Samuels
Tuberous sclerosis complex is an autosomal dominant genetic disease characterized by growth of benign tumors (hamartomas) in multiple organs, especially the kidneys, brain, heart, lungs, and skin. Tuberous sclerosis complex is usually caused by a mutation in either the tuberous sclerosis complex 1 or tuberous sclerosis complex 2 gene, resulting in constitutive activation of mammalian target of rapamycin signaling. Currently, mammalian target of rapamycin inhibitors are recommended in adult patients with tuberous sclerosis complex for the treatment of asymptomatic, growing renal angiomyolipoma that are >3 cm in diameter and pediatric or adult patients with brain lesions (subependymal giant cell astrocytoma) that either are growing or are not amenable to surgical resection...
March 16, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28302372/experiences-during-newborn-screening-for-glutaric-aciduria-type-1-diagnosis-treatment-genotype-phenotype-and-outcomes
#18
Fang-Chih Tsai, Han-Jui Lee, An-Guor Wang, Shu-Chen Hsieh, Yung-Hsiu Lu, Ming-Che Lee, Ju-Shan Pai, Tzu-Hung Chu, Chia-Feng Yang, Ting-Rong Hsu, Chih-Jou Lai, Ming-Tzu Tsai, Ping-Hsun Ho, Min-Chieh Lin, Ling-Yee Cheng, Ya-Chin Chuang, Dau-Ming Niu
BACKGROUND: Glutaric aciduria type 1 (GA-1) is an organic acidemia with potentially severe neurological sequelae. In Taiwan, newborn screening (NBS) for GA-1 began in 2001, but large-scale reporting is lacking. This study describes Taiwan's largest newborn screening population to date. METHODS: Between 2001 and 2015, 1,490,636 newborns were screened for GA-1. Confirmatory examinations included the carnitine loading test. Confirmed patients were treated with a low lysine diet, carnitine, and high-energy intake during illness...
March 13, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28301451/traumatic-brain-injury-related-emergency-department-visits-hospitalizations-and-deaths-united-states-2007-and-2013
#19
Christopher A Taylor, Jeneita M Bell, Matthew J Breiding, Likang Xu
PROBLEM/CONDITION: Traumatic brain injury (TBI) has short- and long-term adverse clinical outcomes, including death and disability. TBI can be caused by a number of principal mechanisms, including motor-vehicle crashes, falls, and assaults. This report describes the estimated incidence of TBI-related emergency department (ED) visits, hospitalizations, and deaths during 2013 and makes comparisons to similar estimates from 2007. REPORTING PERIOD: 2007 and 2013. DESCRIPTION OF SYSTEM: State-based administrative health care data were used to calculate estimates of TBI-related ED visits and hospitalizations by principal mechanism of injury, age group, sex, and injury intent...
March 17, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28293860/tissue-specific-daily-variation-in-the-oxidative-status-of-sturgeon-acipenser-naccarii-and-rainbow-trout-oncorhynchus-mykiss-a-comparative-study
#20
M C Hidalgo, C E Trenzado, M Furné, A Beltrán, C Manzaneda, M García-Gallego, A Domezain, A Sanz
The oxidative status is associated with animal lifespan, metabolism, activity and circadian rhythms. The objective of this work is to study the time course of the oxidative status over a daily cycle in the plasma, liver and brain, and the changes in the plasma cortisol levels of sturgeon and trout. The knowledge of daily oxidative status will provide a better understanding of the trout and sturgeon physiology and adequate maintenance and food supply of farmed fish in relation to photoperiod. Superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, glutathione transferase, DT-diaphorase activities, lipid peroxidation and cortisol were measured...
March 14, 2017: Fish Physiology and Biochemistry
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