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https://www.readbyqxmd.com/read/28109195/fungal-periprosthetic-joint-infection-following-total-elbow-arthroplasty-a-case-report-and-review-of-the-literature
#1
Cory A Kwong, Shannon K T Puloski, Kevin A Hildebrand
BACKGROUND: With improving surgical techniques for total elbow arthroplasty clinical outcomes have improved and its utilization continues to increase. Despite these advances, complication rates remain as high as 24%. Of these complications periprosthetic joint infection is one of the most common and morbid. The rheumatoid elbow remains a leading indication for total elbow arthroplasty. Patients with this condition frequently require immunosuppressive therapy, which places them at higher risk of both typical and atypical infections...
January 21, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28108915/microbial-changes-linked-to-the-accelerated-degradation-of-the-herbicide-atrazine-in-a-range-of-temperate-soils
#2
R L Yale, M Sapp, C J Sinclair, J W B Moir
Accelerated degradation is the increased breakdown of a pesticide upon its repeated application, which has consequences for the environmental fate of pesticides. The herbicide atrazine was repeatedly applied to soils previously untreated with s-triazines for >5 years. A single application of atrazine, at an agriculturally relevant concentration, was sufficient to induce its rapid dissipation. Soils, with a range of physico-chemical properties and agricultural histories, showed similar degradation kinetics, with the half-life of atrazine decreasing from an average of 25 days after the first application to <2 days after the second...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108768/severe-hypercapnia-and-outcome-of-mechanically-ventilated-patients-with-moderate-or-severe-acute-respiratory-distress-syndrome
#3
Nicolas Nin, Alfonso Muriel, Oscar Peñuelas, Laurent Brochard, José Angel Lorente, Niall D Ferguson, Konstantinos Raymondos, Fernando Ríos, Damian A Violi, Arnaud W Thille, Marco González, Asisclo J Villagomez, Javier Hurtado, Andrew R Davies, Bin Du, Salvatore M Maggiore, Luis Soto, Gabriel D'Empaire, Dimitrios Matamis, Fekri Abroug, Rui P Moreno, Marco Antonio Soares, Yaseen Arabi, Freddy Sandi, Manuel Jibaja, Pravin Amin, Younsuck Koh, Michael A Kuiper, Hans-Henrik Bülow, Amine Ali Zeggwagh, Antonio Anzueto, Jacob I Sznajder, Andres Esteban
PURPOSE: To analyze the relationship between hypercapnia developing within the first 48 h after the start of mechanical ventilation and outcome in patients with acute respiratory distress syndrome (ARDS). PATIENTS AND METHODS: We performed a secondary analysis of three prospective non-interventional cohort studies focusing on ARDS patients from 927 intensive care units (ICUs) in 40 countries. These patients received mechanical ventilation for more than 12 h during 1-month periods in 1998, 2004, and 2010...
January 20, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28108101/development-of-a-high-resolution-voxelised-head-phantom-for-medical-physics-applications
#4
REVIEW
V Giacometti, S Guatelli, M Bazalova-Carter, A B Rosenfeld, R W Schulte
Computational anthropomorphic phantoms have become an important investigation tool for medical imaging and dosimetry for radiotherapy and radiation protection. The development of computational phantoms with realistic anatomical features contribute significantly to the development of novel methods in medical physics. For many applications, it is desirable that such computational phantoms have a real-world physical counterpart in order to verify the obtained results. In this work, we report the development of a voxelised phantom, the HIGH_RES_HEAD, modelling a paediatric head based on the commercial phantom 715-HN (CIRS)...
January 17, 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28107731/natural-amelioration-of-zinc-oxide-nanoparticle-toxicity-in-fenugreek%C3%A2-trigonella-foenum-gracum-by-arbuscular-mycorrhizal-glomus-intraradices-secretion-of-glomalin
#5
Narges Ghasemi Siani, Seyfollah Fallah, Lok Raj Pokhrel, Ali Rostamnejadi
Owing to rising production and use of engineered nanoparticles (ENPs) in the myriad of consumer applications, ENPs are being released into the environment where their potential fate and effects have remained unclear. With naturally occurring arbuscular mycorrhizal fungus (AMF; Glomus intraradices) in soils, their influence (positive or negative) on ENPs toxicity in plants is not well documented. Herein, we investigated potential influence of AMF on the growth and development in fenugreek (Trigonella foenum-graecum) under varied Zinc oxide nanoparticles (ZnONPs) treatments (0, 125, 250, 375 and 500 μg g(-1))...
January 3, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28107703/how-universal-is-coverage-and-access-to-diagnosis-and-treatment-for-chagas-disease-in-colombia-a-health-systems-analysis
#6
Zulma M Cucunubá, Jennifer M Manne-Goehler, Diana Díaz, Pierre Nouvellet, Oscar Bernal, Andrea Marchiol, María-Gloria Basáñez, Lesong Conteh
Limited access to Chagas disease diagnosis and treatment is a major obstacle to reaching the 2020 World Health Organization milestones of delivering care to all infected and ill patients. Colombia has been identified as a health system in transition, reporting one of the highest levels of health insurance coverage in Latin America. We explore if and how this high level of coverage extends to those with Chagas disease, a traditionally marginalised population. Using a mixed methods approach, we calculate coverage for screening, diagnosis and treatment of Chagas...
January 4, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28107583/chronic-hepatitis-c-and-chronic-kidney-disease-advances-limitations-and-unchartered-territories
#7
Manuel Mendizabal, K Rajender Reddy
Over the past few years, treatment options for chronic hepatitis C virus (HCV) infection have evolved dramatically. The current approved interferon-free direct-acting antiviral (DAA) regimens have been shown to be safe and effective with sustained virologic response (SVR) rates of >90% in most patients. Unique issues yet remain such as the challenges in patients with impaired renal function or decompensated cirrhosis. Patients with stage 4-5 chronic kidney disease (CKD) have a higher prevalence of HCV infection compared with the general population...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107561/beta-blockers-for-hypertension
#8
REVIEW
Charles S Wiysonge, Hazel A Bradley, Jimmy Volmink, Bongani M Mayosi, Lionel H Opie
BACKGROUND: Beta-blockers refer to a mixed group of drugs with diverse pharmacodynamic and pharmacokinetic properties. They have shown long-term beneficial effects on mortality and cardiovascular disease (CVD) when used in people with heart failure or acute myocardial infarction. Beta-blockers were thought to have similar beneficial effects when used as first-line therapy for hypertension. However, the benefit of beta-blockers as first-line therapy for hypertension without compelling indications is controversial...
January 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28107554/inclusion-of-a-variable-rbe-into-proton-and-photon-plan-comparison-for-various-fractionation-schedules-in-prostate-radiation-therapy
#9
Jakob Ödén, Kjell Eriksson, Iuliana Toma-Dasu
PURPOSE: A constant relative biological effectiveness (RBE) of 1.1 is currently used in proton radiation therapy to account for the increased biological effectiveness compared to photon therapy. However, there is increasing evidence that proton RBE vary with the linear energy transfer (LET), the dose per fraction and the type of the tissue. Therefore, this study aims to evaluate the impact of disregarding variations in RBE when comparing proton and photon dose plans for prostate treatments for various fractionation schedules using published RBE models and several α/β assumptions...
January 20, 2017: Medical Physics
https://www.readbyqxmd.com/read/28107161/art-therapy-exhibitions-exploitation-or-advocacy
#10
Terri Davis
Promoting awareness of human trafficking by sharing trauma survivors' art and summaries of their life stories suggests ethical complexities that have been typically neglected by bioethicists. Although these survivors voluntarily share the objects they created during art therapy sessions, they are still at risk of harm, including further exploitation, due to their vulnerability, high rates of victim sensitivity, and the mental health consequences of their traumatic experiences. While some argue that the benefits of sublimation and art therapy for human trafficking survivors make sharing their art worth the risk, anti-trafficking organizations and supporters of such art exhibitions have responsibilities to be trauma informed...
January 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28106776/distribution-characteristics-and-risk-assessment-of-polycyclic-aromatic-hydrocarbons-in-the-momoge-wetland-china
#11
Jianling Xu, Hanxi Wang, Lianxi Sheng, Xuejun Liu, Xiaoxue Zheng
The Momoge Nature Reserve is the research object of this study. Through field sampling, laboratory experiments and analysis, the contents, distribution characteristics, source identification, pollution levels and risk levels of polycyclic aromatic hydrocarbons (PAHs) in wetland soils were studied. The results show that the sum content of 16 types of PAHs (Σ16 PAH) in the wetland soil was within the range (0.029-0.4152) mg/kg. PAHs in wetland soil are primarily 2-3-rings PAHs. PAHs in the Momoge wetland soil have multiple sources: petroleum, combustion of petroleum and coal, and others, of which petroleum and the sum of combustion of petroleum and coal account for 38...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106762/contribution-of-trans-fatty-acid-intake-to-coronary-heart-disease-burden-in-australia-a-modelling-study
#12
Jason H Y Wu, Miaobing Zheng, Elise Catterall, Shauna Downs, Beth Thomas, Lennert Veerman, Jan J Barendregt
Trans-fatty acids (TFAs) intake has been consistently associated with a higher risk of coronary heart disease (CHD) mortality. We provided an updated assessment of TFA intake in Australian adults in 2010 and conducted modeling to estimate CHD mortality attributable to TFA intake. Data of the 2011-2012 National Nutrition and Physical Activity Survey was used to assess TFA intake. The CHD burden attributable to TFA was calculated by comparing the current level of TFA intake to a counterfactual setting where consumption was lowered to a theoretical minimum distribution of 0...
January 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28106287/an-assessment-of-direct-and-indirect-effects-of-two-herbicides-on-aquatic-communities
#13
Simone Hasenbein, Sharon P Lawler, Richard E Connon
Herbicides are often detected in watersheds at concentrations that are toxic to phytoplankton, potentially causing indirect effects on higher trophic organisms. The long-term effects of 5 applications over 30 days of binary mixtures of the herbicides diuron and hexazinone were assessed at 'low' and 'high' concentrations typically found in the environment. Sixteen of 95 phytoplankton taxa, 3 of 18 zooplankton taxa, and 6 of 14 macroinvertebrate taxa responded negatively to contaminant exposures. Herbicide applications altered the phytoplankton community structure...
January 20, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28105468/simulating-the-effect-of-spectroscopic-mri-as-a-metric-for-radiation-therapy-planning-in-patients-with-glioblastoma
#14
J Scott Cordova, Shravan Kandula, Saumya Gurbani, Jim Zhong, Mital Tejani, Oluwatosin Kayode, Kirtesh Patel, Roshan Prabhu, Eduard Schreibmann, Ian Crocker, Chad A Holder, Hyunsuk Shim, Hui-Kuo Shu
Due to glioblastoma's infiltrative nature, an optimal radiation therapy (RT) plan requires targeting infiltration not identified by anatomical magnetic resonance imaging (MRI). Here, high-resolution, whole-brain spectroscopic MRI (sMRI) is used to describe tumor infiltration alongside anatomical MRI and simulate the degree to which it modifies RT target planning. In 11 patients with glioblastoma, data from preRT sMRI scans were processed to give high-resolution, whole-brain metabolite maps normalized by contralateral white matter...
December 2016: Tomography: a Journal for Imaging Research
https://www.readbyqxmd.com/read/28104927/a-rapid-systematic-review-and-meta-analysis-of-the-efficacy-of-slaughter-and-processing-interventions-to-control-non-typhoidal-salmonella-in-beef-and-pork
#15
Ian Young, Barbara J Wilhelm, Sarah Cahill, Rei Nakagawa, Patricia Desmarchelier, Andrijana Rajić
Pork is one of the major food sources of human salmonellosis worldwide, while beef products have been implicated in numerous foodborne outbreaks. As a result, effective interventions to reduce Salmonella contamination during beef and pork processing are of interest to both regulators and industry. We conducted a rapid systematic review and meta-analysis of literature investigating the efficacy of slaughter and processing interventions to control Salmonella in beef and pork. Review steps included: a comprehensive search strategy; relevance screening of abstracts; relevance confirmation of articles; data extraction; risk-of-bias assessment; meta-analysis (where appropriate); and a weight-of-evidence assessment...
December 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28104513/a-multi-center-study-of-bacterial-blood-stream-infections-in-pediatric-allogeneic-hematopoietic-cell-transplantation-recipients-the-role-of-acute-gastrointestinal-graft-versus-host-disease
#16
Prakash Satwani, Jason L Freedman, Sonali Chaudhury, Zhezhen Jin, Anya Levinson, Marc D Foca, Jennifer Krajewski, Indira Sahdev, Mala Kiran Talekar, Aliza Gardenswartz, Justin Silverman, Meghan Hayes, Christopher C Dvorak
Blood stream infections (BSI) caused by enteric organisms are associated with a particularly high mortality rate in allogeneic hematopoietic cell transplantation (AlloHCT) recipients. We conducted a retrospective multicenter study aiming to analyze the risk factors associated with antibiotic resistance and impact of BSI on transplant related mortality (TRM) in children following alloHCT. During the study period from 2004 to 2014, 395 children (mean age 9.4 years) with at least one BSI were included. The incidences of resistant gram-negative rods (GNR) were 20...
January 16, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28104333/response-of-lemna-gibba-l-to-high-and-environmentally-relevant-concentrations-of-ibuprofen-removal-metabolism-and-morpho-physiological-traits-for-biomonitoring-of-emerging-contaminants
#17
D Di Baccio, F Pietrini, P Bertolotto, S Pérez, D Barcelò, M Zacchini, E Donati
The increasing worldwide consumption of pharmaceuticals and personal care products such as ibuprofen (IBU) is leading to the widespread and persistent occurrence of these chemicals and their transformation products in soils and waters. Although at low concentrations, the continuous discharge of these micropollutants and the incomplete removal by the actual wastewater treatments can provoke accumulation in the environment with risks for the trophic chain. Non-target organisms as duckweed can be used for the environmental monitoring of pharmaceutical emerging contaminants...
January 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28104287/enhanced-terminal-room-disinfection-and-acquisition-and-infection-caused-by-multidrug-resistant-organisms-and-clostridium-difficile-the-benefits-of-enhanced-terminal-room-disinfection-study-a-cluster-randomised-multicentre-crossover-study
#18
Deverick J Anderson, Luke F Chen, David J Weber, Rebekah W Moehring, Sarah S Lewis, Patricia F Triplett, Michael Blocker, Paul Becherer, J Conrad Schwab, Lauren P Knelson, Yuliya Lokhnygina, William A Rutala, Hajime Kanamori, Maria F Gergen, Daniel J Sexton
BACKGROUND: Patients admitted to hospital can acquire multidrug-resistant organisms and Clostridium difficile from inadequately disinfected environmental surfaces. We determined the effect of three enhanced strategies for terminal room disinfection (disinfection of a room between occupying patients) on acquisition and infection due to meticillin-resistant Staphylococcus aureus, vancomycin-resistant enterococci, C difficile, and multidrug-resistant Acinetobacter. METHODS: We did a pragmatic, cluster-randomised, crossover trial at nine hospitals in the southeastern USA...
January 16, 2017: Lancet
https://www.readbyqxmd.com/read/28104137/prostate-cancer-metastatic-to-the-renal-allograft-a-case-report
#19
A Alaini, P Singh, R Shah, E Fischer, K Ganta, T Barrett, K Servilla
Malignancy is a leading cause of morbidity and mortality in organ transplant recipients who receive immunosuppression. Cancers associated with viruses such as nonmelanotic skin cancer and Kaposi sarcoma occur in allograft recipients at rates that far exceed that in the general population. The increased risk and tumor type may depend not only on degree of immune system modulation but also on the type of organ transplanted. In kidney transplant recipients, the risk of cancers such as prostate and breast does not seem to be increased...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28104059/suicide-risk-in-the-hospitalized-elderly-in-turkey-and-affecting-factors
#20
Dilek Avci, Kevser Tari Selcuk, Selma Dogan
OBJECTIVE: This study aimed to investigate the suicide risk among the elderly hospitalized and treated because of physical illnesses, and the factors affecting the risk. METHODS: The study has a cross-sectional design. It was conducted with 459 elderly people hospitalized and treated in a public hospital between May 25, 2015 and December 4, 2015. Data were collected with the Personal Information Form, Suicide Probability Scale and Hospital Anxiety and Depression Scale...
February 2017: Archives of Psychiatric Nursing
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