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https://www.readbyqxmd.com/read/28546028/evaluation-and-control-of-microbial-and-chemical-contamination-in-dialysis-water-plants-of-italian-nephrology-wards
#1
Michele Totaro, Beatrice Casini, Paola Valentini, Mario Miccoli, Serena Giorgi, Andrea Porretta, Gaetano Privitera, Pier Luigi Lopalco, Angelo Baggiani
BACKGROUND: Patients receiving haemodialysis are exposed to a large volume of dialysis fluid. The Italian Society of Nephrology (ISN) published guidelines and microbial quality standards on dialysis water (DW) and solutions to ensure patient safety. AIM: Aim of the study was to identify microbial and chemical hazards and to evaluate disinfection treatments quality in DW plants. METHODS: In the years 2015 and 2016 water networks and DW plants (closed loop and online monitors) of nine dialysis wards of Italian hospitals, hosting 162 dialysis beds overall, were sampled on a monthly basis to determine the parameters provided by ISN guidelines...
May 22, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28541755/epinephrine-but-not-vasopressin-attenuates-the-airway-response-to-anaphylactic-shock-in-rats
#2
Feng Zheng, Ruxandra Copotoiu, Charles Tacquard, Bruno Demoulin, Jean Marc Malinovsky, Bruno Levy, Dan Longrois, Grégoire Barthel, Paul Michel Mertes, François Marchal, Silvia Demoulin-Alexikova, Olivier Collange
PURPOSE: The two life-threatening signs of anaphylactic shock (AS) are severe arterial hypotension and bronchospasm. Guidelines recommend epinephrine as first-line treatment. Arginine vasopressin (AVP) has been proposed as an alternative if epinephrine does not correct arterial hypotension. These two drugs may have beneficial, neutral or deleterious effects on airflow either directly or by modifying factors that regulate vasodilatation and/or edema in the bronchial wall. AIM OF THE STUDY: To compare the effects of epinephrine and AVP on airflow and airway leakage in a rat model of AS...
May 25, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28538846/-clinical-and-microbiological-study-of-catheter-associated-urinary-tract-infections-in-internal-medicine-services-of-a-venezuelan-university-hospital
#3
Pedro Quijada-Martínez, Ana Flores-Carrero, Indira Labrador, María Araque
Objectives: To determine the clinical and microbiological characteristics of catheter-associated urinary tract infections (CA-UTI) in patients admitted to the Internal Medicine services of the Hospital Universitario de Los Andes (HULA), Mérida, Venezuela and to establish the clonal distribution of multi-resistant Enterobacteriaceae that produce this infection. Materials and Methods: Seventy-three adult patients with bladder catheterization were studied between January and July 2015...
January 2017: Revista Peruana de Medicina Experimental y Salud Pública
https://www.readbyqxmd.com/read/28535598/antarctic-seals-molecular-biomarkers-as-indicators-for-pollutant-exposure-health-effects-and-diet
#4
K Lehnert, L Weirup, K C Harding, T Härkönen, O Karlsson, J Teilmann
Weddell (Leptonychotes weddellii), Ross (Ommatophoca rossii) and crabeater seals (Lobodon carcinophaga) are phocid seals with a circumpolar distribution around Antarctica. As long-lived and large top predators, they bioaccumulate contaminants and are considered as sentinels of ecosystem health. Antarctic seals are increasingly exposed to climate change, pollution, shipping and fisheries. To reveal and understand possible anthropogenic impacts on their immune and health status, this study investigates sensitive biomarkers of the xenobiotic metabolism and immune system in relation to mercury (Hg) burden...
May 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28520696/an-ovine-model-of-hyperdynamic-endotoxemia-and-vital-organ-metabolism
#5
Liam Byrne, Nchafatso G Obonyo, Sara Diab, Kimble Dunster, Margaret Passmore, Ai Ching Boon, Louise See Hoe, Karen Hay, Frank Van Haren, John-Paul Tung, Louise Cullen, Kiran Shekar, Kathryn Maitland, John F Fraser
BACKGROUND: Animal models of endotoxemia are frequently used to understand the pathophysiology of sepsis and test new therapies. However, important differences exist between commonly used experimental models of endotoxemia and clinical sepsis. Animal models of endotoxemia frequently produce hypodynamic shock in contrast to clinical hyperdynamic shock. This difference may exaggerate the importance of hypoperfusion as a causative factor in organ dysfunction. This study sought to develop an ovine model of hyperdynamic endotoxemia and assess if there is evidence of impaired oxidative metabolism in the vital organs...
May 17, 2017: Shock
https://www.readbyqxmd.com/read/28515606/gender-based-assessment-of-survival-in-trauma-hemorrhagic-shock-a-retrospective-analysis-of-indian-population
#6
Pankaj Verma, Sanjeev Bhoi, Upendra Baitha, Tej Prakash Sinha, Prakash Ranjan Mishra
INTRODUCTION: Trauma-hemorrhagic shock (THS) is a leading cause of death. Female rats and women experience better outcomes in terms of survival after major trauma as compared to males. There are limited data in Indian population. Authors studied the gender-based outcome of patients with Class IV hemorrhagic shock due to blunt trauma and the distribution of factors among males and females which are known to affect outcome. MATERIALS AND METHODS: It was a retrospective study with data of trauma victims between January 2008 and July 2013...
April 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28513518/firearm-injuries-received-in-emergency-room-of-a-nigerian-teaching-hospital-aanalysis-of-pattern-morbidity-and-mortality
#7
N I Omoke
BACKGROUND: The morbidity and mortality associated with civilian firearm injury in developing countries is appreciable. The increasing incidence of gunshot casualties received in hospital emergency rooms is an emerging concern. The aim of this study was to determine the pattern and outcome of firearm injuries in a civilian setting of a developing country. MATERIALS AND METHOD: This was a retrospective analysis of data on the entire patients with firearm injury received in the emergency room of Federal Teaching Hospital Abakaliki from January 2005 to December 2014...
May 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28505715/statistical-properties-of-the-one-dimensional-burridge-knopoff-model-of-earthquakes-obeying-the-rate-and-state-dependent-friction-law
#8
Hikaru Kawamura, Yushi Ueda, Shingo Kakui, Shouji Morimoto, Takumi Yamamoto
Statistical properties of the one-dimensional spring-block (Burridge-Knopoff) model of earthquakes obeying the rate- and state-dependent friction law are studied by extensive computer simulations. The quantities computed include the magnitude distribution, the rupture-length distribution, the main shock recurrence-time distribution, the seismic-time correlations before and after the main shock, the mean slip amount, and the mean stress drop at the main shock, etc. Events of the model can be classified into two distinct categories...
April 2017: Physical Review. E
https://www.readbyqxmd.com/read/28505283/oxidative-injury-and-iron-redistribution-are-pathological-hallmarks-of-marmoset-experimental-autoimmune-encephalomyelitis
#9
Jordon Dunham, Jan Bauer, Graham R Campbell, Don J Mahad, Nikki van Driel, Susanne M A van der Pol, Bert A 't Hart, Hans Lassmann, Jon D Laman, Jack van Horssen, Yolanda S Kap
Oxidative damage and iron redistribution are associated with the pathogenesis and progression of multiple sclerosis (MS), but these aspects are not entirely replicated in rodent experimental autoimmune encephalomyelitis (EAE) models. Here, we report that oxidative burst and injury as well as redistribution of iron are hallmarks of the MS-like pathology in the EAE model in the common marmoset. Active lesions in the marmoset EAE brain display increased expression of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (p22phox, p47phox, and gp91phox) and inducible nitric oxide synthase immunoreactivity within lesions with active inflammation and demyelination, coinciding with enhanced expression of mitochondrial heat-shock protein 70 and superoxide dismutase 1 and 2...
June 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28500178/electrical-substrate-elimination-in-135-consecutive-patients-with-brugada-syndrome
#10
Carlo Pappone, Josep Brugada, Gabriele Vicedomini, Giuseppe Ciconte, Francesco Manguso, Massimo Saviano, Raffaele Vitale, Amarild Cuko, Luigi Giannelli, Zarko Calovic, Manuel Conti, Paolo Pozzi, Andrea Natalizia, Simonetta Crisà, Valeria Borrelli, Ramon Brugada, Georgia Sarquella-Brugada, Marco Guazzi, Alessandro Frigiola, Lorenzo Menicanti, Vincenzo Santinelli
BACKGROUND: There is emerging evidence that localization and elimination of abnormal electric activity in the epicardial right ventricular outflow tract may be beneficial in patients with Brugada syndrome. METHODS AND RESULTS: A total of 135 symptomatic Brugada syndrome patients having implantable cardiac defibrillator were enrolled: 63 (group 1) having documented ventricular tachycardia (VT)/ventricular fibrillation (VF) and Brugada syndrome-related symptoms, and 72 (group 2) having inducible VT/VF without ECG documentation at the time of symptoms...
May 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28500073/fc%C3%AE-riiia-signaling-modulates-endosomal-tlr-responses-in-human-cd4-t-cells
#11
Anil K Chauhan
Recognition of Ab-opsonized pathogens by immune cells triggers both TLR and Fc receptor signaling. Fc receptors endocytose modified nucleic acids bound to Abs and deliver them to endosomes, where they are recognized by nucleic acid-sensing TLRs (NA-TLRs). We show that in CD4(+) T cells, NA-TLRs, TLR3, TLR8, and TLR9 are upregulated by FcγRIIIa-pSyk cosignaling and localize with FcγRIIIa on the cell surface. TLR9 accumulates on the cell surface, where it recognizes CpG oligonucleotide 2006. Subcellular location of NA-TLRs is a key determinant in discriminating self versus viral nucleic acid...
May 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28499953/analysis-and-modeling-of-septic-shock-microarray-data-using-singular-value-decomposition
#12
Srinivas Allanki, Madhulika Dixit, Paul Thangaraj, Nandan Kumar Sinha
Being a high throughput technique, enormous amounts of microarray data has been generated and there arises a need for more efficient techniques of analysis, in terms of speed and accuracy. Finding the differentially expressed genes based on just fold change and p-value might not extract all the vital biological signals that occur at a lower gene expression level. Besides this, numerous mathematical models have been generated to predict the clinical outcome from microarray data, while very few, if not none, aim at predicting the vital genes that are important in a disease progression...
May 9, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28497369/co-enzyme-q10-and-acetyl-salicylic-acid-enhance-hsp70-expression-in-primary-chicken-myocardial-cells-to-protect-the-cells-during-heat-stress
#13
Jiao Xu, Shu Tang, Bin Yin, Jiarui Sun, Erbao Song, Endong Bao
We investigated the effects of co-enzyme Q10 (Q10) and acetyl salicylic acid (ASA) on expression of Hsp70 in the protection of primary chicken myocardial cells during heat stress. Western blot analysis showed that Q10 and ASA accelerated the induction of Hsp70 when chicken myocardial cells were exposed to hyperthermia. In the absence of heat stress, however, neither Q10 nor ASA are able to upregulate Hsp70 expression. Analysis of enzymes that respond to cellular damage and pathological examination revealed that ectopic expression of ASA and Q10 alleviate cellular damage during heat stress...
May 11, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28493871/ileus-in-children-presenting-with-diarrhea-and-severe-acute-malnutrition-a-chart-review
#14
Mohammod Jobayer Chisti, Abu Smsb Shahid, K M Shahunja, Pradip Kumar Bardhan, Abu Syeed Golam Faruque, Lubaba Shahrin, Sumon Kumar Das, Dipesh Kumar Barua, Md Iqbal Hossain, Tahmeed Ahmed
BACKGROUND: Severely malnourished children aged under five years requiring hospital admission for diarrheal illness frequently develop ileus during hospitalization with often fatal outcomes. However, there is no data on risk factors and outcome of ileus in such children. We intended to evaluate predictive factors for ileus during hospitalization and their outcomes. METHODOLOGY/PRINCIPAL FINDINGS: This was a retrospective chart review that enrolled severely malnourished children under five years old with diarrhea, admitted to the Dhaka Hospital of the International Centre for Diarrhoeal Disease Research, Bangladesh between April 2011 and August 2012...
May 11, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28489648/clinical-experience-with-iv-angiotensin-ii-administration-a-systematic-review-of-safety
#15
Laurence W Busse, Xueyuan Shelly Wang, Divya M Chalikonda, Kevin W Finkel, Ashish K Khanna, Harold M Szerlip, David Yoo, Sharon L Dana, Lakhmir S Chawla
OBJECTIVE: Angiotensin II is an endogenous hormone with vasopressor and endocrine activities. This is a systematic review of the safety of IV angiotensin II. DATA SOURCES: PubMed, Medline, Scopus, and Cochrane. STUDY SELECTION: Studies in which human subjects received IV angiotensin II were selected whether or not safety was discussed. DATA EXTRACTION: In total, 18,468 studies were screened by two reviewers and one arbiter...
May 9, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28487934/targeting-hsf1-leads-to-an-antitumor-effect-in-human-epithelial-ovarian-cancer
#16
Yi-Fei Chen, Shu-Ying Wang, You-Hui Yang, Jiang Zheng, Ting Liu, Li Wang
Late diagnosis and lack of specific therapeutic targets contribute to the low survival rate of patients with epithelial ovarian cancer (EOC), the most lethal gynecologic malignancy. Therefore, the screening of diagnostic markers and the identification of therapeutic targets are urgently required. Heat shock factor 1 (HSF1) has been demonstrated to be overexpressed in certain malignancies and to be involved in tumor initiation, development, transformation and metastasis. It is believed that HSF1 is a promising candidate for antitumor therapy...
May 8, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28485319/dynamic-change-of-red-cell-distribution-width-levels-in-prediction-of-hospital-mortality-in-chinese-elderly-patients-with-septic-shock
#17
Xue-Feng Ju, Fei Wang, Li Wang, Xiao Wu, Ting-Ting Jiang, Da-Li You, Bing-Hua Yang, Jian-Jun Xia, Shan-You Hu
BACKGROUND: The normal range of red cell distribution width (RDW) level is <15%. Several studies have indicated that a high RDW level was associated with mortality in critically ill patients, and the patients with a high RDW level need increased focus in clinical practice. In view of the difficulty in defining the specific value of high RDW level, the key is to focus on the patient with the level beyond the normal upper limit. This study aimed to determine whether dynamic change of RDW levels, rather than the level itself, is predictive of death in elderly patients with septic shock when RDW level is beyond 15%...
May 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28482796/effects-of-cold-acclimation-on-gene-expression-in-fall-field-cricket-gryllus-pennsylvanicus-ionoregulatory-tissues
#18
Lauren E Des Marteaux, Alexander H McKinnon, Hiroko Udaka, Jantina Toxopeus, Brent J Sinclair
BACKGROUND: Cold tolerance is a key determinant of temperate insect distribution and performance. Chill-susceptible insects lose ion and water homeostasis during cold exposure, but prior cold acclimation improves both cold tolerance and defense of homeostasis. The mechanisms underlying these processes are mostly unknown; cold acclimation is thought to enhance ion transport in the cold and/or prevent leak of water and ions. To identify candidate mechanisms of cold tolerance plasticity we generated transcriptomes of ionoregulatory tissues (hindgut and Malpighian tubules) from Gryllus pennsylvanicus crickets and compared gene expression in warm- and cold-acclimated individuals...
May 8, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28478877/microvascular-fluid-resuscitation-in-circulatory-shock
#19
REVIEW
Shannan K Hamlin, Penelope Z Strauss, Hsin-Mei Chen, LaDonna Christy
The microcirculation is responsible for blood flow regulation and red blood cell distribution throughout individual organs. Patients with circulatory shock have acute failure of the cardiovascular system in which there is insufficient delivery of oxygen to meet metabolic tissue requirements. All subtypes of shock pathophysiology have a hypovolemic component. Fluid resuscitation guided by systemic hemodynamic end points is a common intervention. Evidence shows that microcirculatory shock persists even after optimization of macrocirculatory hemodynamics...
June 2017: Nursing Clinics of North America
https://www.readbyqxmd.com/read/28474533/ct-texture-analysis-of-ex-vivo-renal-stones-predicts-ease-of-fragmentation-with-shockwave-lithotripsy
#20
Helen Wei Cui, Wout Devlies, Samuel Ravenscroft, Hendrik Heers, Andrew Freidin, Robin Cleveland, Balaji Ganeshan, Ben W Turney
Introduction Understanding the factors affecting success of shock wave lithotripsy (SWL) would improve informed decision-making on the most appropriate treatment modality for an individual patient. Although stone size and skin-to-stone distance do correlate with fragmentation efficacy, it has been shown that stone composition and architecture, as reflected by structural heterogeneity on CT, are also important factors. This study aims to determine if CT Texture Analysis (CTTA)-a novel, non-destructive, and objective tool that generates statistical metrics reflecting stone heterogeneity-could have utility in predicting likelihood of SWL success...
May 5, 2017: Journal of Endourology
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