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Claire M Keene, Arjen Dondorp, Jane Crawley, Eric O Ohuma, Mavuto Mukaka
Background: Malaria burdens global health systems, and management with limited resources requires robust treatment guidelines and comprehensive planning. Expected length of stay (LOS) is useful in health-system planning, and factors influencing it can be targeted to reduce admission time and optimise service delivery. Methods: A secondary survival analysis of 1217 adult severe malaria patients from the South-East Asia Quinine Artesunate Malaria Trial, using a competing-risk approach...
March 19, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Katie E McGibbon, D B Pyne, M E Shephard, K G Thompson
BACKGROUND: Pacing strategy, or how energy is distributed during exercise, can substantially impact athletic performance and is considered crucial for optimal performance in many sports. This is particularly true in swimming given the highly resistive properties of water and low mechanical efficiency of the swimming action. OBJECTIVES: The aim of this systematic review was to determine the pacing strategies utilised by competitive swimmers in competition and their reproducibility, and to examine the impact of different pacing strategies on kinematic, metabolic and performance variables...
March 20, 2018: Sports Medicine
Beata Irena Cejko, Ákos Horváth, Timea Kollár, Eszter Kása, Jelena Lujić, Zoran Marinović, Béla Urbányi, Radosław Kajetan Kowalski
The effect of sodium and potassium concentrations as well as optimal pH on the motility of common carp Cyprinus carpio L. sperm during short-term storage in artificial seminal plasma (ASP) was investigated. Sperm was collected from individual males (n = 5) and each sample diluted tenfold (1:9) in ASP (sperm:extender) containing 2 mM CaCl2 , 1 mM Mg2 SO4 and 20 mM Tris at pH 8.0 and supplemented by the following concentrations of sodium and potassium (mM/mM): 0/150, 20/130, 40/110, 75/75, 110/40, 130/20 and 150/0...
March 21, 2018: Fish Physiology and Biochemistry
Camilla Lagheden, Carina Eklund, Helena Lamin, Sara Nordqvist Kleppe, Jiayao Lei, K Miriam Elfström, Karin Sundström, Bengt Andrae, Pär Sparén, Joakim Dillner
BACKGROUND: The Swedish National Cervical Screening Registry collects and evaluates comprehensive, nationwide health data to optimise organised cervical cancer prevention. Since all cervical cancer specimens are saved in biobanks, population-based data from the specimens should be available for analysis and linkage with other health information. METHODS: We identified all cervical cancers diagnosed in Sweden during 2002-2011 (4254 confirmed cases) and requested the tissue blocks to retrieve human papillomavirus (HPV) genotype data using general primer PCR with Luminex genotyping and real-time PCR targeting the E6/E7 regions of HPV16/18...
March 21, 2018: British Journal of Cancer
Odile Francesca Restaino, Maria Giovanna Borzacchiello, Ilaria Scognamiglio, Luigi Fedele, Alberto Alfano, Elena Porzio, Giuseppe Manco, Mario De Rosa, Chiara Schiraldi
BACKGROUND: Thermostable phosphotriesterase-like lactonases (PLLs) are able to degrade organophosphates and could be potentially employed as bioremediation tools and bioscavengers. But nowadays their manufacturing in high yields is still an issue that limits their industrial applications. In this work we aimed to set up a high yield production and purification biotechnological process of two recombinant PLLs expressed in E. coli, the wild type SacPox from Sulfolobus acidocaldarius and a triple mutated SsoPox C258L/I261F/W263A, originally from Sulfolobus solfataricus...
March 20, 2018: BMC Biotechnology
Dimitrios Chanouzas, Alexander Small, Richard Borrows, Simon Ball
BACKGROUND: The measurement of CMV specific cellular immunity in organ transplant recipients could contribute additional acuity to serology based, CMV infection risk stratification, facilitating optimisation of immunosuppression and anti-viral prophylaxis. METHODS: A pilot study of renal transplant recipient (RTR's) responses in the T-SPOT.CMV ELISPOT based assay. 108 RTR's were recruited 3 months post-transplantation, immediately prior to the cessation of stratified anti-viral prophylaxis, used in recipients from seropositive donors...
2018: PloS One
Kristoffer Johansen, Jae Hee Song, Paul Prentice
We describe the design, construction and characterisation of a broadband passive cavitation detector, with the specific aim of detecting low frequency components of periodic shock waves, with high sensitivity. A finite element model is used to guide selection of matching and backing layers for the shock wave passive cavitation detector (swPCD), and the performance is evaluated against a commercially available device. Validation of the model, and characterisation of the swPCD is achieved through experimental detection of laser-plasma bubble collapse shock waves...
May 2018: Ultrasonics Sonochemistry
D A Kenny, C J Byrne
The advent of genomic selection has led to increased interest within the cattle breeding industry to market semen from young bulls as early as possible. However, both the quantity and quality of such semen is dictated by the age at which these animals reach puberty. Enhancing early life plane of nutrition of the bull stimulates a complex biochemical interplay involving metabolic and neuroendocrine signalling and culminating in enhanced testicular growth and development and earlier onset of sexual maturation...
March 20, 2018: Animal: An International Journal of Animal Bioscience
Carole Mast, Dominique Dardevet, Isabelle Papet
The optimisation of nutritional support for the growing number of older individuals does not usually take into account medication. Paracetamol (acetaminophen; APAP) is the first intention treatment of chronic pain that is highly prevalent and persistent in the elderly. Detoxification of APAP occurs in the liver and utilises sulfate and glutathione (GSH), both of which are issued from cysteine (Cys), a conditionally indispensable amino acid. The detoxification-induced siphoning of Cys could reduce the availability of Cys for skeletal muscle...
March 20, 2018: Nutrition Research Reviews
Anneliese S Ashhurst, Thaigarajan Parumasivam, John Gar Yan Chan, Leon C W Lin, Manuela Flórido, Nicholas P West, Hak-Kim Chan, Warwick J Britton
Tuberculosis places a staggering burden on human health globally. The new World Health Organisation End-TB Strategy has highlighted the urgent need for more effective TB vaccines to improve control of the disease. Protein-based subunit vaccines offer potential as safe and effective generators of protective immunity, and the use of particulate vaccine formulation and delivery by the pulmonary route may enhance local immunogenicity. In this study, novel particulate subunit vaccines were developed utilising biodegradable poly(lactic-co-glycolic acid) (PLGA) slow-release particles as carriers for the Mycobacterium tuberculosis lipoprotein MPT83, together with the adjuvants trehalose-dibehenate (TDB) or Monophosphoryl lipid A (MPL)...
2018: PloS One
Allen Yan Lun Liu, Jiexun Wang, Milind Nikam, Boon Cheok Lai, Lee Ying Yeoh
Background: Acute kidney injury (AKI) is common in hospitalised patients. The relationship between body mass index (BMI) and the risk of having AKI for patients in the acute hospital setting is not known, particularly in the Asian population. Methods: This was a retrospective, single-centre, observational study conducted in Singapore, a multiethnic population. All patients aged ≥21 years and hospitalised from January to December 2013 were recruited. Results: A total of 12,555 patients were eligible for the analysis...
2018: International Journal of Nephrology
Alicia Coupe, Laryssa Howe, Elizabeth Burrows, Abigail Sine, Anthony Pita, Niluka Velathanthiri, Emilie Vallée, David Hayman, Karen Shapiro, Wendi D Roe
Pollution of marine ecosystems with the protozoan parasites Toxoplasma gondii, Cryptosporidium spp. and Giardia duodenalis can be studied using bivalve shellfish as biosentinels. Although evidence suggests that these parasites are present in New Zealand coastal waters, the extent of protozoal pollution has not been investigated. This study used optimised molecular methods to detect the presence of Cryptosporidium spp., G. duodenalis and T. gondii in commercially sourced green-lipped mussel (Perna canaliculus), an endemic species found throughout coastal New Zealand...
March 17, 2018: Parasitology Research
Syahir Habib, Siti Aqlima Ahmad, Wan Lutfi Wan Johari, Mohd Yunus Abd Shukor, Siti Aisyah Alias, Khalilah Abdul Khalil, Nur Adeela Yasid
BACKGROUND: Biodegradation of hydrocarbons in Antarctic soil has been reported to be achieved through the utilisation of indigenous cold-adapted microorganisms. Although numerous bacteria isolated from hydrocarbon-contaminated sites in Antarctica were able to demonstrate promising outcomes in utilising hydrocarbon components as their energy source, reports on the utilisation of hydrocarbons by strains isolated from pristine Antarctic soil are scarce. In the present work, two psychrotolerant strains isolated from Antarctic pristine soil with the competency to utilise diesel fuel as the sole carbon source were identified and optimised through conventional and response surface method...
March 17, 2018: Microbial Cell Factories
Francine Cl Tan, Jonathan Yap, John C Allen, Olivia Tan, Swee Yaw Tan, David B Matchar, Terrance Sj Chua
INTRODUCTION: Patients referred for chest pain from primary care have increased, along with demand for outpatient cardiology consultations. We evaluated 'Triage Protocol' that implements standardised diagnostic testing prior to patients' first cardiology consultation. MATERIALS AND METHODS: Under the 'Triage Protocol', patients referred for chest pain were pretriaged using a standardised algorithm and subsequently referred for relevant functional diagnostic cardiology tests before their initial cardiology consultation...
February 2018: Annals of the Academy of Medicine, Singapore
Marije van der Hulst, Marjolein W de Groot, Johanna P de Graaf, Rianne Kok, Peter Prinzie, Alex Burdorf, Loes C M Bertens, Eric A P Steegers
INTRODUCTION: Social vulnerability is known to be related to ill health. When a pregnant woman is socially vulnerable, the ill health does not only affect herself, but also the health and development of her (unborn) child. To optimise care for highly vulnerable pregnant women, in Rotterdam, a holistic programme was developed in close collaboration between the university hospital, the local government and a non-profit organisation. This programme aims to organise social and medical care from pregnancy until the second birthday of the child, while targeting adult and child issues simultaneously...
March 16, 2018: BMJ Open
Adam G Culvenor, Christian J Barton
No abstract text is available yet for this article.
March 16, 2018: British Journal of Sports Medicine
Shukai Li, Boshen Jiao, Zafar Zafari, Peter Muennig
BACKGROUND: Using the 140 speed cameras in New York City (NYC) as a case study, we explore how to optimise the number of cameras such that the most lives can be saved at the lowest cost. METHODS: A Markov model was built to explore the economic and health impacts of speed camera installations in NYC as well as the optimal number and placement. Both direct and indirect medical savings associated with speed cameras are weighed against their cost. Health outcomes are measured in terms of quality-adjusted life years (QALYs)...
March 16, 2018: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
Ronan L McDermott, John G Armstrong, Pierre Thirion, Mary Dunne, Marie Finn, Cormac Small, Mary Byrne, Carmel O'Shea, Lydia O'Sullivan, Aoife Shannon, Emma Kelly, Dayle J Hacking
TITLE: Cancer Trials Ireland (ICORG) 06-34: A multi-centre clinical trial using three-dimensional conformal radiation therapy to reduce the toxicity of palliative radiation for lung cancer. NCT01176487. BACKGROUND & PURPOSE: Trials of radiation therapy for the palliation of intra-thoracic symptoms from locally advanced non-small cell lung cancer (NSCLC) have concentrated on optimising fractionation and dose schedules. In these trials, the rates of oesophagitis induced by this "palliative" therapy have been unacceptably high...
March 13, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Simon Deeming, Penny Reeves, Shanthi Ramanathan, John Attia, Michael Nilsson, Andrew Searles
BACKGROUND: The question of how to measure, assess and optimise the returns from investment in health and medical research (HMR) is a highly policy-relevant issue. Research Impact Assessment Frameworks (RIAFs) provide a conceptual measurement framework to assess the impact from HMR. The aims of this study were (1) to elicit the views of Medical Research Institutes (MRIs) regarding objectives, definitions, methods, barriers, potential scope and attitudes towards RIAFs, and (2) to investigate whether an assessment framework should represent a retrospective reflection of research impact or a prospective approach integrated into the research process...
March 16, 2018: Health Research Policy and Systems
Rikki A M Brown, Michael R Epis, Jessica L Horsham, Tasnuva D Kabir, Kirsty L Richardson, Peter J Leedman
BACKGROUND: microRNAs (miRNAs) are short non-coding RNAs that fine-tune gene expression. The aberrant expression of miRNAs is associated with many diseases and they have both therapeutic and biomarker potential. However, our understanding of their usefulness is dependent on the tools we have to study them. Previous studies have identified the need to optimise and standardise RNA extraction methods in order to avoid biased results. Herein, we extracted RNA from murine lung, liver and brain tissues using five commercially available total RNA extraction methods...
March 16, 2018: BMC Biotechnology
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