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Christopher Holland, Kamila Hawthorne
No abstract text is available yet for this article.
March 2, 2018: British Journal of Hospital Medicine
Ying Zhu, Bing Feng, Songmin He, Zuqing Su, Guangjuan Zheng
OBJECTIVE: To explore the preventive and therapeutic effects of Resveratrol combined with total flavones of hawthorn, compatibility of traditional Chinese medicines, on the endothelial cells injury after artery bypass graft surgery. METHODS: The animal model of coronary artery bypass grafting (CABG) was prepared by transplanting a segment of autologous jugular vein onto the transected common carotid artery in rabbits. After CABG surgery, the rabbits were administrated with saline (model group), aspirin (Aspirin group), resveratrol (Res group), total flavones of hawthorn (Haw group) and resveratrol combined with total flavones of hawthorn (Res+Haw group) once a day for eight weeks, respectively...
February 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Glen Hawthorne, Sarah Harbach, Amanda Wilson
No abstract text is available yet for this article.
March 1, 2018: Bioanalysis
Martin Shaw, Laura Moss, Chris Hawthorne, John Kinsella, Ian Piper
OBJECTIVES: Raised intracranial pressure (ICP) is well known to be indicative of a poor outcome in traumatic brain injury (TBI). This phenomenon was quantified using a pressure time index (PTI) model of raised ICP burden in a paediatric population. Using the PTI methodology, this pilot study is aimed at investigating the relationship between raised ICP and length of stay (LOS) in adults admitted to a neurological intensive care unit (neuro-ICU). MATERIALS AND METHODS: In 10 patients admitted to the neuro-ICU following TBI, ICP was measured and data from the first 24 h were analysed...
2018: Acta Neurochirurgica. Supplement
Ian Piper, Martin Shaw, Christopher Hawthorne, John Kinsella, Laura Moss
OBJECTIVE: Technology in neurointensive care units can collect and store vast amounts of complex patient data. The CHART-ADAPT project is aimed at developing technology that will allow for the collection, analysis and use of these big data at the patient's bedside in neurointensive care units. A requirement of this project is to automatically extract and transfer high-frequency waveform data (e.g. ICP) from monitoring equipment to high performance computing infrastructure for analysis...
2018: Acta Neurochirurgica. Supplement
Christopher Hawthorne, Martin Shaw, Ian Piper, Laura Moss, John Kinsella
OBJECTIVES: We have previously demonstrated a relationship between transcranial bioimpedance (TCB) measurements and intracranial pressure (ICP) in an animal model of raised ICP. The primary objective of this study was to explore the relationship between non-invasive bioelectrical impedance measurements of the brain and skull and ICP in traumatic brain injury (TBI) patients. MATERIALS AND METHODS: Included patients were adults admitted to the Neurological Intensive Care Unit with TBI and undergoing invasive ICP monitoring as part of their routine clinical care...
2018: Acta Neurochirurgica. Supplement
Juan Manuel Vélez, Rosa García, Enrique Pina, Cristóbal Morales, Carmen Escalera, Antonio Ortega, Blas Poyatos, Dolores Carrasco, Jesús Prieto, M Ángeles Eslava, J Antonio Corrales, María O Barón, Mercedes Llano, Francisco Ruiz, Romualdo Sánchez, Manuel Victorino Pino, M Luisa Redondo, Antonio Castellanos, Eduardo Mayoral
INTRODUCTION: The assessment of the Diabetes Mellitus 2 Care Process (PAI-DM2) through the assessment tool for the chronic illness' care models (IEMAC-Diabetes) allows the design of health interventions for the improvement of medical care. OBJECTIVE: Analysing the quality of healthcare provided to DM2 patients. DESIGN: Quasiexperimental study before and after intervention with a not randomised control group. LOCATION: Health care district of primary care Sevilla...
February 21, 2018: Atencion Primaria
Kevin Cooper, Kirsty McCormack, Suzanne Breeman, Jessica Wood, Neil W Scott, Justin Clark, Jed Hawe, Robert Hawthorn, Kevin Phillips, Angela Hyde, Alison McDonald, Mark Forrest, Samantha Wileman, Graham Scotland, John Norrie, Siladitya Bhattacharya
BACKGROUND: Heavy menstrual bleeding (HMB) is a common problem affecting approximately 1.5 million women in England and Wales with a major impact on their physical, emotional, social and material quality of life. It is the fourth most common reason why women attend gynaecology outpatient clinics and accounts for one-fifth of all gynaecology outpatient referrals. Initial treatment in primary care is medical - either by means of oral or injected medication or the levonorgestrel-intrauterine system (Mirena®)...
January 24, 2018: Trials
Victor M Izzo, Yolanda H Chen, Sean D Schoville, Cong Wang, David J Hawthorne
Colorado potato beetle (Leptinotarsa decemlineata Say [Coleoptera: Chrysomelidae]) is a pest of potato throughout the Northern Hemisphere, but little is known about the beetle's origins as a pest. We sampled the beetle from uncultivated Solanum host plants in Mexico, and from pest and non-pest populations in the United States and used mitochondrial DNA and nuclear loci to examine three hypotheses on the origin of the pest lineages: 1) the pest beetles originated from Mexican populations, 2) they descended from hybridization between previously divergent populations, or 3) they descended from populations that are native to the Plains states in the United States...
January 21, 2018: Journal of Economic Entomology
Cristina Ruiz, Anna Nadal, Laura Foix, Laura Montesinos, Emilio Montesinos, Maria Pla
BACKGROUND: Plant elicitor peptides (Peps) are endogenous molecules that induce and amplify the first line of inducible plant defense, known as pattern-triggered immunity, contributing to protect plants against attack by bacteria, fungi and herbivores. Pep topic application and transgenic expression have been found to enhance disease resistance in a small number of model plant-pathogen systems. The action of Peps relies on perception by specific receptors, so displaying a family-specific activity...
January 23, 2018: BMC Genetics
Emily G McDonald, Elizabeth Smyth, Lulu Smyth, Todd C Lee
Unfortunately, more than a decade after the World Health Organization's campaign launched, many centers still face challenges with low rates of hand hygiene compliance. Several electronic hand hygiene monitoring systems are available, and the cost of setup and maintenance varies by institution. At our institution, with extremely limited funds for complex interventions, we instead hired a pragmatic teenager in search of a summer job and trained her as a hand hygiene "hall monitor." We describe an effective, inexpensive intervention that improved our unit's hand hygiene performance while also providing youth employment...
January 17, 2018: American Journal of Infection Control
Christopher J O'Bryan, Alexander R Braczkowski, Hawthorne L Beyer, Neil H Carter, James E M Watson, Eve McDonald-Madden
Predators and scavengers are frequently persecuted for their negative effects on property, livestock and human life. Research has shown that these species play important regulatory roles in intact ecosystems including regulating herbivore and mesopredator populations that in turn affect floral, soil and hydrological systems. Yet predators and scavengers receive surprisingly little recognition for their benefits to humans in the landscapes they share. We review these benefits, highlighting the most recent studies that have documented their positive effects across a range of environments...
January 18, 2018: Nature Ecology & Evolution
Molly Rosenberg, Audrey Pettifor, Rhian Twine, James P Hughes, F Xavier Gomez-Olive, Ryan G Wagner, Afolabi Sulaimon, Stephen Tollman, Amanda Selin, Catherine MacPhail, Kathleen Kahn
OBJECTIVES: We examined the potential influence of both sample selection effects and Hawthorne effects in the behavioural HIV Prevention Trial Network 068 study, designed to examine whether cash transfers conditional on school attendance reduce HIV acquisition in young South African women. We explored whether school enrolment among study participants differed from the underlying population, and whether differences existed at baseline (sample selection effect) or arose during study participation (Hawthorne effect)...
January 10, 2018: BMJ Open
Dalia H Abdelkader, Mohamed A Osman, Sanaa A El-Gizawy, Suzan J Hawthorne, Ahmed M Faheem, Paul A McCarron
We describe the development of a nanoparticulate system, with variation of poly(ethylene glycol) (PEG) content, capable of releasing therapeutic levels of bioactive insulin for extended periods of time. Recombinant human insulin was encapsulated in poly(d,l-lactide-co-glycolide) nanoparticles, manufactured with variation in poly(ethylene glycol) content, and shown to be stable for 6days using SDS-PAGE, western blot and MALDI MS. To determine if insulin released from this sustained release matrix could stimulate migration of cell types normally active in dermal repair, a model wound was simulated by scratching confluent cultures of human keratinocytes (HaCaT) and fibroblasts (Hs27)...
December 26, 2017: European Journal of Pharmaceutical Sciences
Mary B Abraham, Jennifer A Nicholas, Michael Crone, Trang T Ly, Elizabeth A Davis, Timothy W Jones
No abstract text is available yet for this article.
December 1, 2017: Journal of Diabetes Science and Technology
Yanbo Zhang, Yunhui Gong, Hongmei Xue, Jingyuan Xiong, Guo Cheng
BACKGROUND: Gestational diabetes mellitus (GDM) is an increasingly prevalent disorder, associated with low blood vitamin D (VD) level. OBJECTIVES: To evaluate the relationship between VD and GDM. SEARCH STRATEGY: EMBASE, MEDLINE, Cochrane library and China Biology Medicine disc were searched till May 2017. The references of previous studies were screened. SELECTION CRITERIA: Observational studies on the relationship between VD and GDM free from Hawthorne effect and randomized controlled trials of VD supplementation during pregnancy for preventing or treating GDM were included...
December 15, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
Xiao-Xiao Huang, Qiang Ren, Xiao-Yu Song, Le Zhou, Guo-Dong Yao, Xiao-Bo Wang, Shao-Jiang Song
Seven new sesquineolignans (1-7) were isolated from the 70% ethanolic extract of the hawthorn seeds. Their structures were established by comprehensive spectroscopic analyses including 1D, 2D NMR, CD and HRESIMS data. The neuroprotective activity of the isolated sesquilignans towards H2O2-induced damage in human neuroblastoma SH-SY5Y cells was investigated. All of these sesquineolignans exhibited significant neuroprotective activity towards damaged SH-SY5Y cells, compared with the positive control (Trolox)...
December 11, 2017: Fitoterapia
Anthony M H Ho, Rachel Phelan, Glenio B Mizubuti, John A C Murdoch, Sarah Wickett, Adrienne K Ho, Vidur Shyam, Ian Gilron
Before-after study designs are effective research tools and in some cases, have changed practice. These designs, however, are inherently susceptible to bias (ie, systematic errors) that are sometimes subtle but can invalidate their conclusions. This overview provides examples of before-after studies relevant to anesthesiologists to illustrate potential sources of bias, including selection/assignment, history, regression to the mean, test-retest, maturation, observer, retrospective, Hawthorne, instrumentation, attrition, and reporting/publication bias...
December 11, 2017: Anesthesia and Analgesia
Ahmer M Hameed, Ray Miraziz, David B Lu, Neil Warwick, Ali El-Ayoubi, Heather Burns, Yi Vee Chew, Ross Matthews, Greg O'Grady, Lawrence Yuen, Natasha Rogers, Henry C Pleass, Wayne J Hawthorne
BACKGROUND: The ongoing supply-demand gap with respect to donor kidneys for transplantation necessitates the increased use of higher kidney donor profile index and/or donation after circulatory death (DCD) kidneys. Machine perfusion (MP) preservation has become increasingly popular as a means to preserve such organs. Human data regarding normothermic kidney MP (NMP) is in its infancy, and such a system has not been established in the Australasian clinical setting. METHODS: Modified cardio-pulmonary bypass technology was utilized to develop a viable NMP kidney perfusion system using a porcine DCD model...
December 14, 2017: ANZ Journal of Surgery
Qing Min, Yuting Bai, Yuchen Zhang, Wei Yu, Minli Zhang, Dongyang Liu, Tingting Diao, Wei Lv
Objectives: DCM has become one of the main reasons of death in diabetic patients. In this study, we aimed to explore the hawthorn leaf flavonoids (HLF) protective effect against diabetes-induced cardiac injury and the underlying mechanisms in experimental rats. Methods: Experimental diabetic model was induced by intraperitoneal injection of streptozotocin (STZ, 40 mg/kg) in rats after feeding with high-fat diet for 8 weeks. The diabetic rats received a 16-week treatment of different doses of HLF (50, 100, and 200)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
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