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https://www.readbyqxmd.com/read/28340309/analytical-techniques-in-lipidomics-state-of-the-art
#1
Kamil Jurowski, Kamila Kochan, Justyna Walczak, Małgorzata Barańska, Wojciech Piekoszewski, Bogusław Buszewski
Current studies related to lipid identification and determination, or lipidomics in biological samples, are one of the most important issues in modern bioanalytical chemistry. There are many articles dedicated to specific analytical strategies used in lipidomics in various kinds of biological samples. However, in such literature, there is lack of articles dedicated to a comprehensive review of the actual analytical methodologies used in lipidomics. The aim of this article is to characterize the lipidomics methods used in modern bioanalysis according to the methodological point of view: 1) chromatography/separation methods, 2) spectroscopic methods and 3) mass spectrometry and also hyphenated methods...
March 24, 2017: Critical Reviews in Analytical Chemistry
https://www.readbyqxmd.com/read/28340128/crossing-the-health-it-chasm-considerations-and-policy-recommendations-to-overcome-current-challenges-and-enable-value-based-care
#2
Julia Adler-Milstein, Peter J Embi, Blackford Middleton, Indra Neil Sarkar, Jeff Smith
While great progress has been made in digitizing the US health care system, today's health information technology (IT) infrastructure remains largely a collection of systems that are not designed to support a transition to value-based care. In addition, the pursuit of value-based care, in which we deliver better care with better outcomes at lower cost, places new demands on the health care system that our IT infrastructure needs to be able to support. Provider organizations pursuing new models of health care delivery and payment are finding that their electronic systems lack the capabilities needed to succeed...
March 15, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339340/patient-perspectives-on-language-discordance-during-healthcare-visits-findings-from-the-extremely-high-density-multicultural-state-of-qatar
#3
Huda Abdelrahim, Maha Elnashar, Amal Khidir, Amal Killawi, Maya Hammoud, Abdul Latif Al-Khal, Michael D Fetters
Reducing language and cultural barriers in healthcare are significant factors in resolving health disparities. Qatar's rapidly growing multicultural population presents new challenges to the healthcare system. The purpose of this research was to explore patients' perspectives about language discordance, and the strategies used to overcome language barriers during patients' visits. Participants were recruited and interviewed from four language groups (Arabic = 24, English = 20, Hindi = 20, and Urdu = 20), all of whom were living in Qatar and utilizing Hamad General Hospital-Outpatient Clinics as a source of their healthcare services...
March 24, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28336863/a-high-power-frequency-tunable-colloidal-quantum-dot-cdse-zns-laser
#4
Saradh Prasad, Hanan Saleh AlHesseny, Mohamad S AlSalhi, Durairaj Devaraj, Vadivel Masilamai
Tunable lasers are essential for medical, engineering and basic science research studies. Most conventional solid-state lasers are capable of producing a few million laser shots, but limited to specific wavelengths, which are bulky and very expensive. Dye lasers are continuously tunable, but exhibit very poor chemical stability. As new tunable, efficient lasers are always in demand, one such laser is designed with various sized CdSe/ZnS quantum dots. They were used as a colloid in tetrahydrofuran to produce a fluorescent broadband emission from 520 nm to 630 nm...
January 30, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28335764/health-care-cost-associated-with-the-use-of-enzyme-inducing-and-non-enzyme-active-antiepileptic-drugs-in-the-uk-a-long-term-retrospective-matched-cohort-study
#5
Simon Borghs, Solène Thieffry, Matthias Noack-Rink, Peter Dedeken, Lai San Hong, Laura Byram, John Logan, Jane Chan, Victor Kiri
BACKGROUND: Some antiepileptic drugs (AEDs) induce expression of hepatic enzymes. This can contribute to comorbidities via interference with metabolic pathways and concomitant drug metabolization, thereby increasing the likelihood of health care interventions. Using medical records, we compared the direct health care cost in patients initiating epilepsy therapy with enzyme-inducing AEDs (EIAEDs) vs non-enzyme-active AEDs (nEAAEDs) over up to 12 years. METHODS: Patients with untreated epilepsy were indexed in the UK Clinical Practice Research Datalink and Hospital Episode Statistics database when prescribed a new EIAED or nEAAED between January 2001 and December 2010...
March 23, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28334994/rural-retention-of-new-medical-graduates-from-the-collaborative-project-to-increase-production-of-rural-doctors-cpird-a-12-year-retrospective-study
#6
Win Techakehakij, Rajin Arora
Physician scarcity in rural areas is a major obstacle to healthcare access, leading to health inequity worldwide. In Thailand, a special recruitment program of medical education [Collaborative Project to Increase Production of Rural Doctors (CPIRD)] was initiated with four different medical training tracks. No previous research has examined the rural retention of new medical graduates across the CPIRD tracks, compared with those receiving conventional medical education (Normal track). This study examines the public retention of rural physicians from different tracks of entry...
March 16, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28334708/repetitive-transcranial-magnetic-stimulation-improved-symptoms-of-obsessive-compulsive-disorders-but-not-executive-functions-results-from-a-randomized-clinical-trial-with-crossover-design-and-sham-condition
#7
Mehran Shayganfard, Leila Jahangard, Marzieh Nazaribadie, Mohammad Haghighi, Mohammad Ahmadpanah, Dena Sadeghi Bahmani, Hafez Bajoghli, Edith Holsboer-Trachsler, Serge Brand
OBJECTIVE: Whereas there is growing evidence that repetitive transcranial magnetic stimulation (rTMS) favorably impacts on symptoms of obsessive-compulsive disorders (OCD), less is known regarding the influence of rTMS on cognitive performance of patients with OCD. Here, we tested the hypothesis that rTMS has a positive impact both on symptom severity and executive functions in such patients. METHODS: We assessed 10 patients diagnosed with OCD (mean age: 33.5 years) and treated with a standard medication; they were randomly assigned either to a treatment-first or to a sham-first condition...
March 24, 2017: Neuropsychobiology
https://www.readbyqxmd.com/read/28333627/ultrasound-image-despeckling-using-stochastic-distance-based-bm3d
#8
Cid Santos, Diego Martins, Nelson Mascarenhas
Ultrasound image despeckling is an important research field since it can improve the interpretability of one of the main categories of medical imaging. Many techniques have been tried over the years for ultrasound despeckling, and more recently, a great deal of attention has been focused on patch-based methods, such as non-local means (NLM) and block-matching collaborative filtering (BM3D). A common idea in these recent methods is the measure of distance between patches, originally proposed as the Euclidean distance, for filtering additive white Gaussian noise...
March 21, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28333321/preconception-and-early-pregnancy-maternal-haemodynamic-changes-in-healthy-women-in-relation-to-pregnancy-viability
#9
F L Foo, A Collins, C M McEniery, P R Bennett, I B Wilkinson, C C Lees
STUDY QUESTION: Are there differences in preconception cardiovascular function between women who have a viable pregnancy and those who have a first trimester miscarriage? SUMMARY ANSWER: Preconception cardiovascular function of central haemodynamics and arterial function are similar between women who have a viable pregnancy and those who have a first trimester miscarriage. WHAT IS KNOWN ALREADY: Miscarriages have been associated with increased long-term cardiovascular disease risk, and arterial and cardiovascular dysfunction has been hypothesised as the common link...
March 16, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333316/convergent-balancing-selection-on-the-mu-opioid-receptor-in-primates
#10
Carolyn G Sweeney, Juliette M Rando, Helen N Panas, Gregory M Miller, Donna M Platt, Eric J Vallender
The mu opioid receptor is involved in many natural processes including stress response, pleasure, and pain. Mutations in the gene also have been associated with opiate and alcohol addictions as well as with responsivity to medication targeting these disorders. Two common and mutually exclusive polymorphisms have been identified in humans, A118G (N40D), found commonly in non-African populations, and C17T (V6A), found almost exclusively in African populations. While A118G has been studied extensively for associations and in functional assays, C17T is much less well understood...
March 15, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28333256/analgesia-use-during-pregnancy-and-risk-of-cryptorchidism-a-systematic-review-and-meta-analysis
#11
Jason Gurney, Lorenzo Richiardi, Katherine A McGlynn, Virginia Signal, Diana Sarfati
STUDY QUESTION: Are boys who are born to mothers who use analgesics during pregnancy at increased risk of cryptorchidism compared to those born to mothers who do not take analgesia? SUMMARY ANSWER: In this systematic review and meta-analysis of 10 published studies, we observed only weak evidence of an association between analgesia use during pregnancy and risk of cryptorchidism in the son. WHAT IS KNOWN ALREADY: Concentrations of analgesia relevant to human exposure have been implicated as causing endocrine disturbances in the developing foetal testis...
March 8, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28331548/discovering-feature-relevancy-and-dependency-by-kernel-guided-probabilistic-model-building-evolution
#12
Nestor Rodriguez, Sergio Rojas-Galeano
BACKGROUND: Discovering relevant features (biomarkers) that discriminate etiologies of a disease is useful to provide biomedical researchers with candidate targets for further laboratory experimentation while saving costs; dependencies among biomarkers may suggest additional valuable information, for example, to characterize complex epistatic relationships from genetic data. The use of classifiers to guide the search for biomarkers (the so-called wrapper approach) has been widely studied...
2017: BioData Mining
https://www.readbyqxmd.com/read/28330453/a-systematic-review-of-primary-care-models-for-non-communicable-disease-interventions-in-sub-saharan-africa
#13
Jennifer Kane, Megan Landes, Christopher Carroll, Amy Nolen, Sumeet Sodhi
BACKGROUND: Chronic diseases, primarily cardiovascular disease, respiratory disease, diabetes and cancer, are the leading cause of death and disability worldwide. In sub-Saharan Africa (SSA), where communicable disease prevalence still outweighs that of non-communicable disease (NCDs), rates of NCDs are rapidly rising and evidence for primary healthcare approaches for these emerging NCDs is needed. METHODS: A systematic review and evidence synthesis of primary care approaches for chronic disease in SSA...
March 23, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28328885/introducing-therioepistemology-the-study-of-how-knowledge-is-gained-from-animal-research
#14
REVIEW
Joseph P Garner, Brianna N Gaskill, Elin M Weber, Jamie Ahloy-Dallaire, Kathleen R Pritchett-Corning
This focus issue of Lab Animal coincides with a tipping point in biomedical research. For the first time, the scale of the reproducibility and translatability crisis is widely understood beyond the small cadre of researchers who have been studying it and the pharmaceutical and biotech companies who have been living it. Here we argue that an emerging literature, including the papers in this focus issue, has begun to congeal around a set of recurring themes, which themselves represent a paradigm shift. This paradigm shift can be characterized at the micro level as a shift from asking "what have we controlled for in this model?" to asking "what have we chosen to ignore in this model, and at what cost?" At the macro level, it is a shift from viewing animals as tools (the furry test tube), to viewing them as patients in an equivalent human medical study...
March 22, 2017: Lab Animal
https://www.readbyqxmd.com/read/28328635/a-systematic-review-of-the-use-of-telemedicine-in-plastic-and-reconstructive-surgery-and-dermatology
#15
Krishna S Vyas, H Rhodes Hambrick, Afaaf Shakir, Shane D Morrison, Duy C Tran, Keon Pearson, Henry C Vasconez, Samir Mardini, Amanda A Gosman, Marek Dobke, Mark S Granick
BACKGROUND: Telemedicine, the use of information technology and telecommunication to provide healthcare at a distance, is a burgeoning field with applications throughout medicine. Given the visual nature of plastic surgery and dermatology, telemedicine has a myriad of potential applications within the field. METHODS: A comprehensive literature review of articles published on telemedicine since January 2010 was performed. Articles were selected for their relevance to plastic and reconstructive surgery and dermatology, and then reviewed for their discussion of the applications, benefits, and limitations of telemedicine in practice...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28328324/trial-of-pregabalin-for-acute-and-chronic-sciatica
#16
Stephanie Mathieson, Christopher G Maher, Andrew J McLachlan, Jane Latimer, Bart W Koes, Mark J Hancock, Ian Harris, Richard O Day, Laurent Billot, Justin Pik, Stephen Jan, C-W Christine Lin
Background Sciatica can be disabling, and evidence regarding medical treatments is limited. Pregabalin is effective in the treatment of some types of neuropathic pain. This study examined whether pregabalin may reduce the intensity of sciatica. Methods We conducted a randomized, double-blind, placebo-controlled trial of pregabalin in patients with sciatica. Patients were randomly assigned to receive either pregabalin at a dose of 150 mg per day that was adjusted to a maximum dose of 600 mg per day or matching placebo for up to 8 weeks...
March 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28327493/noninvasive-ventilation-open-issues-for-nursing-research
#17
Stefano Bambi, Enrica Mati, Christian De Felippis, Alberto Lucchini
According to the current literature, Noninvasive Ventilation (NIV) is a well-recognized respiratory support technique for patients affected by Acute Respiratory Failure (ARF). As highlighted by recent meta-analysis, a tight adherence to protocols regarding patients' selection criteria, relative or absolute contraindications, plus highly skilled and experienced operators, can positively affect the NIV performance and mortality rates. Positive outcome from NIV respiratory support is dependent from: patient's clinical condition and education needs; confidence of the staff with NIV technology; choice and management of the most suitable interface available prevention of interface complications; nutritional assessment (artificial feeding if required) and conditioning of medical gas...
March 14, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28326011/the-virtual-trial
#18
Willem de Haan
Although brain network analysis in neurodegenerative disease is still a fairly young discipline, expectations are high. The robust theoretical basis, the straightforward detection and explanation of otherwise intangible complex system phenomena, and the correlations of network features with pathology and cognitive status are qualities that show the potential power of this new instrument. We expect "connectomics" to eventually better explain and predict that essential but still poorly understood aspect of dementia: the relation between pathology and cognitive symptoms...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28325711/investigating-the-perceptions-of-care-coordinators-on-using-behavior-theory-based-mobile-health-technology-with-medicaid-populations-a-grounded-theory-study
#19
Brittany Erika Sigler
BACKGROUND: Medicaid populations are less engaged in their health care than the rest of the population, translating to worse health outcomes and increased health care costs. Since theory-based mobile health (mHealth) interventions have been shown to increase patient engagement, mobile phones may be an optimal strategy to reach this population. With increased development of theory-based mHealth technology, these interventions must now be evaluated with these medically underserved populations in a real-world setting...
March 21, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28325449/tcontrol-a-mobile-app-to-follow-up-tobacco-quitting-patients
#20
Marc Pifarré, Adrián Carrera, Jordi Vilaplana, Josep Cuadrado, Sara Solsona, Francesc Abella, Francesc Solsona, Rui Alves
BACKGROUND AND OBJECTIVE: Tobacco smoking is a major risk factor for a wide range of respiratory and circulatory diseases in active and passive smokers. Well-designed campaigns are raising awareness to the problem and an increasing number of smokers seeks medical assistance to quit their habit. In this context, there is the need to develop mHealth Apps that assist and manage large smoke quitting programs in efficient and economic ways. OBJECTIVES: Our main objective is to develop an efficient and free mHealth app that facilitates the management of, and assistance to, people who want to quit smoking...
April 2017: Computer Methods and Programs in Biomedicine
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