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https://www.readbyqxmd.com/read/28109052/the-use-of-methadone-to-facilitate-opioid-weaning-in-pediatric-critical-care-patients-a-systematic-review-of-the-literature-and-meta-analysis
#1
REVIEW
Leslie A Dervan, Beryl Yaghmai, Robert Scott Watson, Fredric M Wolf
BACKGROUND: Continuous opioid infusion therapy is commonly utilized in the pediatric intensive care setting to treat pain and facilitate tolerance of invasive therapies. Transitioning to methadone is one common strategy for weaning from continuous opioid infusions, but in practice this transition can be challenging, and many children still experience iatrogenic withdrawal. AIM: We reviewed the literature to evaluate the best available evidence to guide methadone therapy in this setting, and to summarize associated adverse events...
January 20, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28108895/chronic-wound-healing-a-review-of-current-management-and-treatments
#2
REVIEW
George Han, Roger Ceilley
Wound healing is a complex, highly regulated process that is critical in maintaining the barrier function of skin. With numerous disease processes, the cascade of events involved in wound healing can be affected, resulting in chronic, non-healing wounds that subject the patient to significant discomfort and distress while draining the medical system of an enormous amount of resources. The healing of a superficial wound requires many factors to work in concert, and wound dressings and treatments have evolved considerably to address possible barriers to wound healing, ranging from infection to hypoxia...
January 21, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28108510/bone-metastasis-of-prostate-cancer-can-be-therapeutically-targeted-at-the-tbx2-wnt-signaling-axis
#3
Srinivas Nandana, Manisha Tripathi, Peng Duan, Chia-Yi Chu, Rajeev Mishra, Chunyan Liu, Renjie Jin, Hironobu Yamashita, Majd Zayzafoon, Neil A Bhowmick, Haiyen E Zhau, Robert J Matusik, Leland W K Chung
Identification of factors that mediate visceral and bone metastatic spread and subsequent bone remodeling events is highly relevant to successful therapeutic intervention in advanced human prostate cancer (PCa). TBX2, a T-box family transcription factor that negatively regulates cell cycle inhibitor p21, plays critical roles during embryonic development, and recent studies have highlighted its role in cancer. Here we report that TBX2 is overexpressed in human PCa specimens and bone metastases from xenograft mouse models of human PCa...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28108038/the-effect-of-endotracheal-tubes-versus-laryngeal-mask-airways-on-perioperative-respiratory-adverse-events-in-infants-a-randomised-controlled-trial
#4
Thomas F E Drake-Brockman, Anoop Ramgolam, Guicheng Zhang, Graham L Hall, Britta S von Ungern-Sternberg
BACKGROUND: Perioperative respiratory adverse events (PRAE) are the most common critical incidents in paediatric anaesthesia and occur more often in infants. Use of laryngeal mask airways (LMAs) is associated with reduced PRAE compared with endotracheal tubes in older children (>1 year). We aimed to evaluate the effect of these devices on the incidence of PRAE in infants. METHODS: We did a randomised controlled trial at the Princess Margaret Hospital for Children in Perth (WA, Australia) by recruiting infants (aged 0-12 months) undergoing general (with or without regional or local) anaesthesia with anticipated fentanyl dose 1 μg/kg or lower for minor elective surgery...
January 17, 2017: Lancet
https://www.readbyqxmd.com/read/28107339/lymphoma-therapy-and-adverse-events-nursing-strategies-for-thinking-critically-and-acting-decisively%C3%A2
#5
Amy Goodrich, Nina Wagner-Johnston, Dana Delibovi
BACKGROUND: Multiple treatment options, combined with disease heterogeneity, have created nursing challenges in the management of adverse events (AEs) during antilymphoma therapy. Testing has revealed that less than half of participating nurses correctly graded peripheral neuropathy and neutropenia related to antilymphoma regimens.
. OBJECTIVES: This article identifies nursing challenges in the management of AEs associated with therapy for lymphomas and describes how strategies in critical thinking can help meet those challenges...
February 1, 2017: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/28106043/humans-rather-than-climate-the-primary-cause-of-pleistocene-megafaunal-extinction-in-australia
#6
Sander van der Kaars, Gifford H Miller, Chris S M Turney, Ellyn J Cook, Dirk Nürnberg, Joachim Schönfeld, A Peter Kershaw, Scott J Lehman
Environmental histories that span the last full glacial cycle and are representative of regional change in Australia are scarce, hampering assessment of environmental change preceding and concurrent with human dispersal on the continent ca. 47,000 years ago. Here we present a continuous 150,000-year record offshore south-western Australia and identify the timing of two critical late Pleistocene events: wide-scale ecosystem change and regional megafaunal population collapse. We establish that substantial changes in vegetation and fire regime occurred ∼70,000 years ago under a climate much drier than today...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28105986/canagliflozin-dapagliflozin-and-empagliflozin-monotherapy-for-treating-type-2-diabetes-systematic-review-and-economic-evaluation
#7
Rhona Johnston, Olalekan Uthman, Ewen Cummins, Christine Clar, Pamela Royle, Jill Colquitt, Bee Kang Tan, Andrew Clegg, Saran Shantikumar, Rachel Court, J Paul O'Hare, David McGrane, Tim Holt, Norman Waugh
BACKGROUND: Most people with type 2 diabetes are overweight, so initial treatment is aimed at reducing weight and increasing physical activity. Even modest weight loss can improve control of blood glucose. If drug treatment is necessary, the drug of first choice is metformin. However, some people cannot tolerate metformin, which causes diarrhoea in about 10%, and it cannot be used in people with renal impairment. This review appraises three of the newest class of drugs for monotherapy when metformin cannot be used, the sodium-glucose co-transporter 2 (SGLT2) inhibitors...
January 2017: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/28105734/calcium-calmodulin-dependent-protein-kinase-mediates-the-intracellular-signaling-pathways-of-cardiac-apoptosis-in-mice-with-impaired-glucose-tolerance
#8
Marilen Federico, Enrique L Portiansky, Leandro Sommese, Francisco J Alvarado, Paula G Blanco, Carolina N Zanuzzi, John Dedman, Marcia Kaetzel, Xander H T Wehrens, Alicia Mattiazzi, Julieta Palomeque
Background The impact of cardiac apoptosis in pre-diabetic stages of diabetic cardiomyopathy is unknown. We described that myocytes from fructose-rich diet (FRD) animals exhibit arrhythmias produced by exacerbated Ca(2+) /calmodulin-protein kinase (CaMKII) activity, ryanodine receptors (RyR2) phosphorylation and sarcoplasmic reticulum (SR) Ca(2+) leak. We tested the hypothesis that this mechanism also underlies cardiac apoptosis in pre-diabetes. Methods and Results We generated a pre-diabetic model in mice fed with FRD...
January 20, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28105255/pi3k-ship2-pten-pathway-in-cell-polarity-and-hepatitis-c-virus-pathogenesis
#9
REVIEW
Aline Awad, Ama Gassama-Diagne
Hepatitis C virus (HCV) infects hepatocytes, polarized cells in the liver. Chronic HCV infection often leads to steatosis, fibrosis, cirrhosis and hepatocellular carcinoma, and it has been identified as the leading cause of liver transplantation worldwide. The HCV replication cycle is dependent on lipid metabolism and particularly an accumulation of lipid droplets in host cells. Phosphoinositides (PIs) are minor phospholipids enriched in different membranes and their levels are tightly regulated by specific PI kinases and phosphatases...
January 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28105138/clinical-and-angiographic-correlation-of-high-sensitivity-c-reactive-protein-with-acute-st-elevation-myocardial-infarction
#10
Syed Tanveer, Shaheena Banu, Nasimudeen Rehumathbeevi Jabir, Mohd Shahnawaz Khan, Ghulam Md Ashraf, Nanjappa Cholenahally Manjunath, Shams Tabrez
Vascular inflammation and associated ongoing inflammatory responses are considered as the critical culprits in the pathogenesis of acute atherothrombotic events such as acute coronary syndrome (ACS) and myocardial infarction (MI). ST segment elevation myocardial infarction (STEMI) is considered as one of the prominent clinical forms of ACS. Moreover, C-reactive protein (CRP) is an important acute phase prsotein, which may be estimated using high-sensitivity methods (hs-CRP), and its elevated level in body fluids reflects chronic inflammatory status...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104622/renin-angiotensin-system-inhibitors-for-patients-with-stable-coronary-artery-disease-without-heart-failure-systematic-review-and-meta-analysis-of-randomized-trials
#11
Sripal Bangalore, Robert Fakheri, Simon Wandel, Bora Toklu, Jasmin Wandel, Franz H Messerli
OBJECTIVE:  To critically evaluate the efficacy of renin angiotensin system inhibitors (RASi) in patients with coronary artery disease without heart failure, compared with active controls or placebo. DESIGN:  Meta-analysis of randomized trials. DATA SOURCES:  PubMed, EMBASE, and CENTRAL databases until 1 May 2016. ELIGIBILITY CRITERIA FOR SELECTING STUDIES:  Randomized trials of RASi versus placebo or active controls in patients with stable coronary artery disease without heart failure (defined as left ventricular ejection fraction ≥40% or without clinical heart failure)...
January 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28103901/pathogenic-lrrk2-variants-are-gain-of-function-mutations-that-enhance-lrrk2-mediated-repression-of-%C3%AE-catenin-signaling
#12
Daniel C Berwick, Behzad Javaheri, Andrea Wetzel, Mark Hopkinson, Jonathon Nixon-Abell, Simone Grannò, Andrew A Pitsillides, Kirsten Harvey
BACKGROUND: LRRK2 mutations and risk variants increase susceptibility to inherited and idiopathic Parkinson's disease, while recent studies have identified potential protective variants. This, and the fact that LRRK2 mutation carriers develop symptoms and brain pathology almost indistinguishable from idiopathic Parkinson's disease, has led to enormous interest in this protein. LRRK2 has been implicated in a range of cellular events, but key among them is canonical Wnt signalling, which results in increased levels of transcriptionally active β-catenin...
January 19, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28102522/present-and-future-of-interventional-treatment-of-resistant-hypertension
#13
REVIEW
Ayhan Yoruk, Sinan S Tankut, John P Gassler, John D Bisognano
The increasing prevalence of hypertension, a significant cause of disability and premature death throughout the world, is a major public health concern. This is especially true for the subset of patients who suffer from resistant hypertension, which is associated with a fourfold greater risk of cardiovascular events as compared to those hypertensive patients able to achieve target blood pressure. Though quite daunting in number and ill effect, hypertension remains the most common and the most important modifiable risk factor for coronary heart disease, congestive heart failure, peripheral vascular disease, stroke, and chronic kidney disease...
January 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28101813/a-multi-us-city-assessment-of-awareness-and-uptake-of-pre-exposure-prophylaxis-prep-for-hiv-prevention-among-black-men-and-transgender-women-who-have-sex-with-men
#14
Lisa A Eaton, Derrick D Matthews, Daniel D Driffin, Leigh Bukowski, Patrick A Wilson, Ron D Stall
The HIV epidemic among Black men and transgender women who have sex with men (BMTW) demands an urgent public health response. HIV point prevalence among this population ranges from 25 to 43%-a rate far exceeding any other group. Pre-exposure prophylaxis (PrEP) for HIV prevention is a very promising prevention tool; however, its full potential to slow the epidemic has yet to be realized. For the current study, random time-location sampling at Black Gay Pride Events was used to collect data from N = 1274 BMTW, from five US cities, reporting HIV-negative/unknown status...
January 18, 2017: Prevention Science: the Official Journal of the Society for Prevention Research
https://www.readbyqxmd.com/read/28101750/mortuary-operations-following-mass-fatality-natural-disasters-a-review
#15
REVIEW
Madelyn Anderson, Jodie Leditschke, Richard Bassed, Stephen M Cordner, Olaf H Drummer
This is a critical review to discuss the best practice approaches to mortuary operations in preparation for and the response to natural, mass fatality, disaster events, as identified by a review of published articles. The Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols (PRISMA-P) Statement guided the identification of potential articles to use in this critical review. Subsequent searches were also conducted to identify articles relating to heat wave, and flood mortality. All identified peer-reviewed studies published in English which discussed the preparation and response of mortuaries to mass fatality natural disasters occurring in developed countries were included...
January 18, 2017: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/28100752/differential-vulnerability-of-ca1-versus-ca3-pyramidal-neurons-after-ischemia-possible-relationship-to-sources-of-zn2-accumulation-and-its-entry-into-and-prolonged-effects-on-mitochondria
#16
Yuliya V Medvedeva, Sung G Ji, Hong Z Yin, John H Weiss
: Excitotoxic mechanisms contribute to the degeneration of hippocampal pyramidal neurons after recurrent seizures and brain ischemia. However, susceptibility differs, with CA1 neurons degenerating preferentially after global ischemia and CA3 neurons after limbic seizures. Whereas most studies address contributions of excitotoxic Ca(2+) entry, it is apparent that Zn(2+) also contributes, reflecting accumulation in neurons either after synaptic release and entry through postsynaptic channels or upon mobilization from intracellular Zn(2+)-binding proteins such as metallothionein-III (MT-III)...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100737/selectivity-in-postencoding-connectivity-with-high-level-visual-cortex-is-associated-with-reward-motivated-memory
#17
Vishnu P Murty, Alexa Tompary, R Alison Adcock, Lila Davachi
: Reward motivation has been demonstrated to enhance declarative memory by facilitating systems-level consolidation. Although high-reward information is often intermixed with lower reward information during an experience, memory for high value information is prioritized. How is this selectivity achieved? One possibility is that postencoding consolidation processes bias memory strengthening to those representations associated with higher reward. To test this hypothesis, we investigated the influence of differential reward motivation on the selectivity of postencoding markers of systems-level memory consolidation...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100591/dynamics-and-fate-of-beneficial-mutations-under-lineage-contamination-by-linked-deleterious-mutations
#18
Sophie Pénisson, Tanya Singh, Paul Sniegowski, Philip Gerrish
Beneficial mutations drive adaptive evolution, yet their selective advantage does not ensure their fixation. Haldane's application of single-type branching process theory showed that genetic drift alone could cause the extinction of newly-arising beneficial mutations with high probability. With linkage, deleterious mutations will affect the dynamics of beneficial mutations and might further increase their extinction probability. Here, we model the lineage dynamics of a newly-arising beneficial mutation as a multitype branching process...
January 18, 2017: Genetics
https://www.readbyqxmd.com/read/28099857/a-systems-approach-reveals-mavs-signaling-in-myeloid-cells-as-critical-for-resistance-to-ebola-virus-in-murine-models-of-infection
#19
Mukta Dutta, Shelly J Robertson, Atsushi Okumura, Dana P Scott, Jean Chang, Jeffrey M Weiss, Gail L Sturdevant, Friederike Feldmann, Elaine Haddock, Abhilash I Chiramel, Sanket S Ponia, Jonathan D Dougherty, Michael G Katze, Angela L Rasmussen, Sonja M Best
The unprecedented 2013-2016 outbreak of Ebola virus (EBOV) resulted in over 11,300 human deaths. Host resistance to RNA viruses requires RIG-I-like receptor (RLR) signaling through the adaptor protein, mitochondrial antiviral signaling protein (MAVS), but the role of RLR-MAVS in orchestrating anti-EBOV responses in vivo is not known. Here we apply a systems approach to MAVS(-/-) mice infected with either wild-type or mouse-adapted EBOV. MAVS controlled EBOV replication through the expression of IFNα, regulation of inflammatory responses in the spleen, and prevention of cell death in the liver, with macrophages implicated as a major cell type influencing host resistance...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28098809/the-clinical-benefits-and-accuracy-of-continuous-glucose-monitoring-systems-in-critically-ill-patients-a-systematic-scoping-review
#20
REVIEW
Sigrid C J van Steen, Saskia Rijkenberg, Jacqueline Limpens, Peter H J van der Voort, Jeroen Hermanides, J Hans DeVries
Continuous Glucose Monitoring (CGM) systems could improve glycemic control in critically ill patients. We aimed to identify the evidence on the clinical benefits and accuracy of CGM systems in these patients. For this, we performed a systematic search in Ovid MEDLINE, from inception to 26 July 2016. Outcomes were efficacy, accuracy, safety, workload and costs. Our search retrieved 356 articles, of which 37 were included. Randomized controlled trials on efficacy were scarce (n = 5) and show methodological limitations...
January 14, 2017: Sensors
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