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https://www.readbyqxmd.com/read/100001003/emergency-management-of-sepsis-the-simple-stuff-saves-lives
#1
David Sweet, Julian Marsden, Kendall Ho, Christina Krause, James A Russell
Many emergency departments have implemented sepsis protocols since the 2001 publication of results from the early goal-directed therapy trial, which showed early targeted resuscitation lowers mortality. As part of an attempt to improve clinical and operational outcomes for emergency departments across British Columbia, we reviewed sepsis management literature and considered sepsis protocol implementation in the province’s emergency departments. During the literature review we found that many observational studies confirmed an association between implementation of emergency sepsis protocols and decreased mortality...
May 2012: BC medical journal: BCMJ
https://www.readbyqxmd.com/read/28934782/the-dose-dependent-effects-of-ketoprofen-on-dynamic-pain-after-open-heart-surgery
#2
Vedat Eljezi, Claire Biboulet, Henri Boby, Pierre Schoeffler, Bruno Pereira, Christian Duale
BACKGROUND: Non-steroidal anti-inflammatory drugs (NSAIDs) can reduce postoperative pain, in both static (i.e., at rest) and dynamic contexts (e.g., during coughing or mobilization), and reduced doses could improve their efficacy/tolerance balance. OBJECTIVES: To test this hypothesis of efficacy after open heart surgery, in which NSAIDs are poorly used, particularly for safety concerns. STUDY DESIGN: Randomized, double-blind trial. SETTING: Single-center, French university hospital...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934659/comparison-on-the-effects-of-water-borne-and-dietary-borne-accumulated-zno-nanoparticles-on-daphnia-magna
#3
Yanjiao Chen, Fengxia Wu, Wenying Li, Tiangang Luan, Li Lin
Nanoparticles (NPs) can exert toxicity to aquatic animals through water and dietary exposure. However, little is known about the contribution of the two exposure pathways to the total toxicity of NPs to aquatic animals. In the present study, we fed Daphnia magna with ZnO NPs-accumulated-algae or directly exposed them to ZnO NPs suspension at the same Zn concentration. The body Zn concentrations were the same in both treatments, but the surface elastic modulus in the water-borne group was lower than that in the dietary-borne group, indicating more severe surface damage in the water-borne treatment...
August 25, 2017: Chemosphere
https://www.readbyqxmd.com/read/28934620/clinical-utility-and-tolerability-of-transcranial-direct-current-stimulation-in-mild-cognitive-impairment
#4
Venkatachalam Murugaraja, V Shivakumar, Palanimuthu T Sivakumar, Preeti Sinha, Ganesan Venkatasubramanian
BACKGROUND: Neuromodulatory interventions like transcranial direct current stimulation (tDCS) is emerging as a potential therapeutic strategy to promote cognitive function in healthy and pathological aging. There is need for more studies evaluating the utility and tolerability of tDCS in Mild cognitive impairment (MCI). Since MCI is considered as the prodromal stage of dementia, it has emerged as the most important target for intervention in dementia. OBJECTIVE AND METHOD: This study investigated the feasibility, tolerability and clinical utility of tDCS in patients with MCI...
September 8, 2017: Asian Journal of Psychiatry
https://www.readbyqxmd.com/read/28934498/widespread-intra-dependencies-in-the-removal-of-introns-from-human-transcripts
#5
Seong Won Kim, Allison J Taggart, Claire Heintzelman, Kamil J Cygan, Caitlin G Hull, Jing Wang, Barsha Shrestha, William G Fairbrother
Research into the problem of splice site selection has followed a reductionist approach focused on how individual splice sites are recognized. Early applications of information theory uncovered an inconsistency. Human splice signals do not contain enough information to explain the observed fidelity of splicing. Here, we conclude that introns do not necessarily contain 'missing' information but rather may require definition from neighboring processing events. For example, there are known cases where an intronic mutation disrupts the splicing of not only the local intron but also adjacent introns...
September 19, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28934424/the-impact-of-hepatitis-b-vaccine-failure-on-long-term-natural-course-of-chronic-hepatitis-b-virus-infection-in-hepatitis-b-e-antigen-seropositive-children
#6
Chi-San Tai, Jia-Feng Wu, Huey-Ling Chen, Yen-Hsuan Ni, Hong-Yuan Hsu, Mei-Hwei Chang
Background: Vaccine failure with chronic hepatitis B virus (HBV) infection still develops in children after universal hepatitis B immunization. This study aimed to investigate the natural course of chronic HBV infection in children with vaccine failure and compare it with that of nonvaccinated children. Methods: Three hundred fifty-six hepatitis B e antigen (HBeAg)-seropositive, hepatitis B surface antigen (HBsAg) carrier children, who were followed for at least 1 year without antiviral therapy, were enrolled...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28934397/a-modifier-of-huntington-s-disease-onset-at-the-mlh1-locus
#7
Jong-Min Lee, Michael J Chao, Denise Harold, Kawther Abu Elneel, Tammy Gillis, Peter Holmans, Lesley Jones, Michael Orth, Richard H Myers, Seung Kwak, Vanessa C Wheeler, Marcy E MacDonald, James F Gusella
Huntington's disease (HD) is a dominantly inherited neurodegenerative disease caused by an expanded CAG repeat in HTT. Many clinical characteristics of HD such as age at motor onset are determined largely by the size of HTT CAG repeat. However, emerging evidence strongly supports a role for other genetic factors in modifying the disease pathogenesis driven by mutant huntingtin. A recent genome-wide association analysis to discover genetic modifiers of HD onset age provided initial evidence for modifier loci on chromosomes 8 and 15 and suggestive evidence for a locus on chromosome 3...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28934344/care-requirements-for-clients-who-present-after-rape-and-clients-who-presented-after-consensual-sex-as-a-minor-at-a-clinic-in-harare-zimbabwe-from-2011-to-2014
#8
Rebecca E Harrison, Linda Pearson, Michael Vere, Prosper Chonzi, Brian Tafadzwa Hove, Sharon Mabaya, Margaret Chigwamba, Juliana Nhamburo, Juliet Gura, An Vandeborne, Sandra Simons, Daphne Lagrou, Eva De Plecker, Rafael Van den Bergh
STUDY GOALS: To describe the differences between clients presenting after rape and clients who have consented to sex as a minor to an SGBV clinic in Harare, Zimbabwe, and how these differences affect their care requirements. BACKGROUND: Adolescents and adults presenting at the specialized Sexual and Gender Based Violence clinic in Harare are offered a standardised package of free medical and psychosocial care. Zimbabwe has an HIV prevalence of 14%, so prevention of HIV infection using PEP for those that present within 72 hours is a key part of the response...
2017: PloS One
https://www.readbyqxmd.com/read/28934306/causes-of-delay-in-door-to-balloon-time-in-south-east-asian-patients-undergoing-primary-percutaneous-coronary-intervention
#9
Wen Jun Sim, An Shing Ang, Mae Chyi Tan, Wen Wei Xiang, David Foo, Kwok Kong Loh, Fahim Haider Jafary, Timothy James Watson, Paul Jau Lueng Ong, Hee Hwa Ho
OBJECTIVE: To evaluate causes and impact of delay in the door-to-balloon (D2B) time for patients undergoing primary percutaneous coronary intervention (PPCI). SUBJECTS AND METHODS: From January 2009 to December 2012, 1268 patients (86% male, mean age of 58 ± 12 years) presented to our hospital for ST-elevation myocardial infarction (STEMI) and underwent PPCI. They were divided into two groups: Non-delay defined as D2B time ≤ 90 mins and delay group defined as D2B time > 90 mins...
2017: PloS One
https://www.readbyqxmd.com/read/28934304/the-significant-effects-of-cerebral-microbleeds-on-cognitive-dysfunction-an-updated-meta-analysis
#10
Xuanting Li, Junliang Yuan, Lei Yang, Wei Qin, Shuna Yang, Yue Li, Huimin Fan, Wenli Hu
OBJECTIVE: Accumulated data suggests that cerebral microbleeds (CMBs) play an important role in the decline of cognitive function, but the results remain inconsistent. In the current study, we aimed to investigate the association between CMBs and cognitive function, as well as the various effects of CMBs on different domains of cognition. METHODS: We searched through the databases of PubMed, Embase, Cochrane Library, and ScienceDirect. After a consistency test, the publication bias was evaluated and a sensitivity analysis was performed with combined odds ratios (OR) and standardized mean difference (SMD) of CMBs...
2017: PloS One
https://www.readbyqxmd.com/read/28934210/oncolytic-potency-and-reduced-virus-tumor-specificity-in-oncolytic-virotherapy-a-mathematical-modelling-approach
#11
Khaphetsi Joseph Mahasa, Amina Eladdadi, Lisette de Pillis, Rachid Ouifki
In the present paper, we address by means of mathematical modeling the following main question: How can oncolytic virus infection of some normal cells in the vicinity of tumor cells enhance oncolytic virotherapy? We formulate a mathematical model describing the interactions between the oncolytic virus, the tumor cells, the normal cells, and the antitumoral and antiviral immune responses. The model consists of a system of delay differential equations with one (discrete) delay. We derive the model's basic reproductive number within tumor and normal cell populations and use their ratio as a metric for virus tumor-specificity...
2017: PloS One
https://www.readbyqxmd.com/read/28934192/metabolomics-and-cognition-in-african-american-adults-in-midlife-the-atherosclerosis-risk-in-communities-study
#12
J Bressler, B Yu, T H Mosley, D S Knopman, R F Gottesman, A Alonso, A R Sharrett, L M Wruck, E Boerwinkle
Clinical studies have shown alterations in metabolic profiles when patients with mild cognitive impairment and Alzheimer's disease dementia were compared to cognitively normal subjects. Associations between 204 serum metabolites measured at baseline (1987-1989) and cognitive change were investigated in 1035 middle-aged community-dwelling African American participants in the biracial Atherosclerosis Risk in Communities (ARIC) Study. Cognition was evaluated using the Delayed Word Recall Test (DWRT; verbal memory), the Digit Symbol Substitution Test (DSST; processing speed) and the Word Fluency Test (WFT; verbal fluency) at visits 2 (1990-1992) and 4 (1996-1998)...
July 18, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28934171/design-and-analysis-of-an-efficient-energy-algorithm-in-wireless-social-sensor-networks
#13
Naixue Xiong, Longzhen Zhang, Wei Zhang, Athanasios V Vasilakos, Muhammad Imran
Because mobile ad hoc networks have characteristics such as lack of center nodes, multi-hop routing and changeable topology, the existing checkpoint technologies for normal mobile networks cannot be applied well to mobile ad hoc networks. Considering the multi-frequency hierarchy structure of ad hoc networks, this paper proposes a hybrid checkpointing strategy which combines the techniques of synchronous checkpointing with asynchronous checkpointing, namely the checkpoints of mobile terminals in the same cluster remain synchronous, and the checkpoints in different clusters remain asynchronous...
September 21, 2017: Sensors
https://www.readbyqxmd.com/read/28934163/a-parameter-communication-optimization-strategy-for-distributed-machine-learning-in-sensors
#14
Jilin Zhang, Hangdi Tu, Yongjian Ren, Jian Wan, Li Zhou, Mingwei Li, Jue Wang, Lifeng Yu, Chang Zhao, Lei Zhang
In order to utilize the distributed characteristic of sensors, distributed machine learning has become the mainstream approach, but the different computing capability of sensors and network delays greatly influence the accuracy and the convergence rate of the machine learning model. Our paper describes a reasonable parameter communication optimization strategy to balance the training overhead and the communication overhead. We extend the fault tolerance of iterative-convergent machine learning algorithms and propose the Dynamic Finite Fault Tolerance (DFFT)...
September 21, 2017: Sensors
https://www.readbyqxmd.com/read/28934157/complete-systematic-error-model-of-ssr-for-sensor-registration-in-atc-surveillance-networks
#15
Ángel J Jarama, Jaime López-Araquistain, Gonzalo de Miguel, Juan A Besada
In this paper, a complete and rigorous mathematical model for secondary surveillance radar systematic errors (biases) is developed. The model takes into account the physical effects systematically affecting the measurement processes. The azimuth biases are calculated from the physical error of the antenna calibration and the errors of the angle determination dispositive. Distance bias is calculated from the delay of the signal produced by the refractivity index of the atmosphere, and from clock errors, while the altitude bias is calculated taking into account the atmosphere conditions (pressure and temperature)...
September 21, 2017: Sensors
https://www.readbyqxmd.com/read/28934106/biosensor-technology-reveals-the-disruption-of-the-endothelial-barrier-function-and-the-subsequent-death-of-blood-brain-barrier-endothelial-cells-to-sodium-azide-and-its-gaseous-products
#16
Dan T Kho, Rebecca H Johnson, Simon J O'Carroll, Catherine E Angel, E Scott Graham
Herein we demonstrate the sensitive nature of human blood-brain barrier (BBB) endothelial cells to sodium azide and its gaseous product. Sodium azide is known to be acutely cytotoxic at low millimolar concentrations, hence its use as a biological preservative (e.g., in antibodies). Loss of barrier integrity was noticed in experiments using Electric Cell-substrate Impedance Sensing (ECIS) biosensor technology, to measure endothelial barrier integrity continuously in real-time. Initially the effect of sodium azide was observed as an artefact where it was present in antibodies being employed in neutralisation experiments...
September 21, 2017: Biosensors
https://www.readbyqxmd.com/read/28934088/accuracy-of-a-rapid-intrapartum-group%C3%A2-b-streptococcus-test-a-new-immunochromatographic-assay
#17
A Delabaere, S Curinier, S Ughetto, L Gibold, R Bonnet, A Rossi, D Gallot
OBJECTIVES: To decrease the incidence of early-onset group B streptococcal (GBS) disease, a culture-based screening of all pregnant women at 35-37 weeks is recommended. This gold standard test requires 24-72hours culture. This delay precludes its use for intrapartum screening. This study assesses a new immunoassay, the DIMA test, for identifying GBS-positive patients in the labor ward. MATERIALS AND METHODS: This was a prospective observational study of 195 pregnant women presenting with full-term labor at a single site in France between June and August 2012...
May 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28934076/delayed-urinary-symptoms-induced-by-ketamine
#18
María Robles-Martínez, Alfonso C Abad, Violeta Pérez-Rodríguez, Elena Ros-Cucurull, Abderraman Esojo, Carlos Roncero
One of the side-effects of ketamine abuse is genito-urinary damage. This report describes a case of a former ketamine user who presented with urinary symptoms associated with ketamine years after stopping consumption. This was a 26-year-old male with a history of ketamine abuse. He started treatment for alcohol dependence at age 19. He smoked marijuana daily and denied any other drug use. During the follow-up, urinary symptoms were evidenced (dysuria, frequency, urgency, incontinence, nocturia, hematuria, and suprapubic pain)...
September 21, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28933982/function-and-regulation-mechanism-of-chk1-during-meiotic-maturation-in-porcine-oocytes
#19
Zheng-Wen Nie, Li Chen, Qiu-Shi Jin, Ying-Ying Gao, Tao Wang, Xia Zhang, Yi-Liang Miao
Checkpoint 1 (Chk1), as an important member of DNA replication checkpoint and DNA damage response, has an important role during the G2/M stage of mitosis. In this study, we used porcine oocyte as a model to investigate the function of Chk1 during porcine oocyte maturation. Chk1 was expressed from germinal vesicle (GV) to metaphase II (MII) stages, mainly localized in the cytoplasm at GV stage and moved to the spindle after germinal vesicle breakdown (GVBD). Chk1 depletion not only induced oocytes to be arrested at MI stage with abnormal chromosomes arrangement, but also inhibited the degradation of Cyclin B1 and decreased the expression of Mitotic Arrest Deficient 2-Like 1 (Mad2L1), one of spindle assembly checkpoint (SAC) proteins, and cadherin 1 (Cdh1), one of coactivation for anaphase-promoting complex/cyclosome (APC/C)...
September 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28933963/delayed-sample-arrival-at-the-laboratory-does-not-lead-to-more-false-negatives-in-the-danish-population-screening-for-colorectal-cancer
#20
Anette Tarp Hansen, Elke Hoffmann-Lücke, Betina Klint Nielsen, Birgitte Reinholdt, Peter Hindersson, Karin Heidemann, Nete Hornung
In Denmark, biennial population screening for colorectal cancer was introduced in 2014 for all aged 50-74 years. Five laboratories representative for the regional division of Denmark perform the immunochemical testing of faecal occult blood in the screening samples (iFOBT, OC-Sensor (Eiken Chemical, cut-off 100 µg/L)). In July 2016, a new agreement on the public post-delivery entailed an increased lag time (five days) from the screening participant drops the screening sample into a mail-box until sample arrival at the laboratories...
September 21, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
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