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PubMed Journals Articles About "Challenge" RSS

02:01 EDT 21st April 2018 | BioPortfolio

Challenge PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Challenge articles that have been published worldwide.

More Information about "Challenge" on BioPortfolio

We have published hundreds of Challenge news stories on BioPortfolio along with dozens of Challenge Clinical Trials and PubMed Articles about Challenge for you to read. In addition to the medical data, news and clinical trials, BioPortfolio also has a large collection of Challenge Companies in our database. You can also find out about relevant Challenge Drugs and Medications on this site too.

Showing "Challenge" PubMed Articles 1–25 of 3,500+

Clinical Challenge.

Questions for this month's clinical challenge are based on articles in this issue. The clinical challenge is endorsed by the RACGP Quality Improvement and Continuing Professional Development (QI&CPD) program and has been allocated four Category 2 points (Activity ID: 109894). Answers to this clinical challenge are available immediately following successful completion online at http://gplearning.racgp.org.au. Clinical challenge quizzes may be completed at any time throughout the 2017-19 triennium; therefore,...


Challenge of the Mini-fluid Challenge: Filling Twice without Creating a Self-fulfilling Prophecy Design.

Realising the potential of various inhaled airway challenge agents through improved delivery to the lungs.

Inhaled airway challenges provoke bronchoconstriction in susceptible subjects and are a pivotal tool in the diagnosis and monitoring of obstructive lung diseases, both in the clinic and in the development of new respiratory medicines. This article reviews the main challenge agents that are in use today (methacholine, mannitol, adenosine, allergens, endotoxin) and emphasises the importance of controlling how these agents are administered. There is a danger that the optimal value of these challenge agents may...


'Blue Whale Challenge': A Game or Crime?

A bewildering range of games are emerging every other day with newer elements of fun and entertainment to woo youngsters. Games are meant to reduce stress and enhance the cognitive development of children as well as adults. Teenagers are always curious to indulge in newer games; and e-gaming is one such platform providing an easy access and quicker means of entertainment. The particular game challenge which has taken the world by storm is the dangerous "Blue Whale Challenge" often involving vulnerable teena...

Gastrointestinal Symptoms of Food Challenge-Proven Non-Ige Cow's Milk Allergy are Dissipated by Early School Age.

To evaluate the current well-being and dietary restrictions in children six years after food challenge confirmed diagnosis of non-IgE cow's milk protein allergy, compared to peers with gastrointestinal symptoms but negative food challenge. To evaluate the diagnostic process retrospectively.

Evaluation of the Reliability of the Challenge when used to Measure Advanced Motor Skills of Children with Cerebral Palsy.

The Challenge was designed as an extension to the GMFM-66 to assess advanced motor skills of children with cerebral palsy (CP) who walk/run independently. This study evaluated the Challenge's inter-rater and test-retest reliability.

Early Preparation and Inspiration for STEM Careers: Preliminary Report of the Epidemiology Challenge Randomized Intervention, 2014-2015.

Early Preparation and Inspiration for Careers in the Biomedical Sciences (EPIC) is a university-high school partnership for increasing high school student interest and persistence in the biomedical sciences. EPIC includes a year-long, project-based learning intervention, the Think Like an Epidemiologist Challenge (Epi Challenge). We describe the main components of the Epi Challenge and report on short-term changes in scientific literacy and science-related motivations and beliefs.

Impact of litter Salmonella status during feed withdrawal on Salmonella recovery from the broiler crop and ceca.

Research was conducted to evaluate the impact of litter Salmonella status during feed withdrawal on Salmonella recovery from the crop and ceca following feed withdrawal. In 4 experiments, pens of broilers in separate rooms were challenged with marker strains of either Salmonella Montevideo or Salmonella Heidelberg. Three d post challenge, a 12-hour feed withdrawal was initiated, and one pen of broilers was switched between rooms for each Salmonella serotype. In experiments 3 and 4, non-challenged broilers a...

The first MICCAI challenge on PET tumor segmentation.

Automatic functional volume segmentation in PET images is a challenge that has been addressed using a large array of methods. A major limitation for the field has been the lack of a benchmark dataset that would allow direct comparison of the results in the various publications. In the present work, we describe a comparison of recent methods on a large dataset following recommendations by the American Association of Physicists in Medicine (AAPM) task group (TG) 211, which was carried out within a MICCAI (Med...

Psychooncological Care: A Challenge.

Cancer patients and their relatives suffer from multiple psychological and social problems associated with the illness itself and its treatment. The major challenge for an excellent psychooncological support is the further development and nationwide implementation of effective, patient-centered, quality assured, and affordable concepts of treatment and care.

An influenza A virus (H7N9) anti-neuraminidase monoclonal antibody protects mice from morbidity without interfering with the development of protective immunity to subsequent homologous challenge.

The emergence of A(H7N9) virus strains with resistance to neuraminidase (NA) inhibitors highlights a critical need to discover new countermeasures for treatment of A(H7N9) virus-infected patients. We previously described an anti-NA mAb (3c10-3) that has prophylactic and therapeutic efficacy in mice lethally challenged with A(H7N9) virus when delivered intraperitoneally (i.p.). Here we show that intrananasal (i.n.) administration of 3c10-3 protects 100% of mice from mortality when treated 24h post-challenge ...

Studies on immunity and immunopathogenesis of parrot bornaviral disease in cockatiels.

We have demonstrated that vaccination of cockatiels (Nymphicus hollandicus) with killed parrot bornavirus (PaBV) plus recombinant PaBV-4 nucleoprotein (N) in alum was protective against disease in birds challenged with a virulent bornavirus isolate (PaBV-2). Unvaccinated birds, as well as birds vaccinated after challenge, developed gross and histologic lesions typical of proventricular dilatation disease (PDD). There was no evidence that vaccination either before or after challenge made the infection more s...

The furan microsolvation blind challenge for quantum chemical methods: First steps.

Herein we present the results of a blind challenge to quantum chemical methods in the calculation of dimerization preferences in the low temperature gas phase. The target of study was the first step of the microsolvation of furan, 2-methylfuran and 2,5-dimethylfuran with methanol. The dimers were investigated through IR spectroscopy of a supersonic jet expansion. From the measured bands, it was possible to identify a persistent hydrogen bonding OH-O motif in the predominant species. From the presence of ano...

Infection with Anthroponotic Cryptosporidium parvum does not fully protect the host against a subsequent challenge with C. hominis.

Cryptosporidium hominis and C. parvum are the major Cryptosporidium species that infect humans. Earlier studies in gnotobiotic piglets, model susceptible to both, showed that piglets recovered from infection with C. hominis were fully protected against challenge with same species but incompletely protected against C. parvum challenge. In the present study, piglets were infected with C. parvum first, and after recovery were re-challenged with C. parvum or C. hominis. Again, full protection was only observed ...

Improving Bone Regeneration Using Chordin siRNA Delivered by pH-Responsive and Non-Toxic Polyspermine Imidazole-4,5-Imine.

Bone nonunion remains a challenge for orthopaedists. The technological advancements that have been made in precisely silencing target genes have provided promising methods to address this challenge.

Sensory-Challenge Balance Exercises Improve Multisensory Reweighting in Fall-Prone Older Adults.

Multisensory reweighting (MSR) deficits in older adults contribute to fall risk. Sensory-challenge balance exercises may have value for addressing the MSR deficits in fall-prone older adults. The purpose of this study was to examine the effect of sensory-challenge balance exercises on MSR and clinical balance measures in fall-prone older adults.

Increased serum cortisol levels on oral food challenge in infants with FPIES.

An increase in absolute neutrophil count (ANC) is seen after an oral food challenge test (OFC) in patients with food protein-induced enterocolitis syndrome (FPIES). Although it has been suggested that interleukin (IL)-8 is involved in this phenomenon, a possible role for cortisol has not yet been studied.

Respiratory and Laryngeal Function in Teachers: Pre- and Postvocal Loading Challenge.

The purpose of this study was to examine laryngeal and respiratory physiological changes in teachers before and after a 1-hour vocal loading challenge.

Volume responsiveness assessed by passive leg raising and a fluid challenge: a critical review focused on mean systemic filling pressure.

This review applied cardiovascular principles relevant to the physiology of venous return in interpreting studies on the utility of a passive leg-raising manoeuvre to identify patients who do (responders) or do not respond to a subsequent intravenous volume challenge with an increase in cardiac output. Values for cardiac output, mean arterial and central venous pressure, and the calculated cardiovascular variables mean systemic filling pressure analogue, heart efficiency, cardiac power indexed by volume sta...

Physiological predictors of Hypoxic Challenge Testing (HCT) outcomes in Interstitial Lung Disease (ILD).

Pre-flight risk assessments are currently recommended for all Interstitial Lung Disease (ILD) patients. Hypoxic challenge testing (HCT) can inform regarding the need for supplemental in-flight oxygen but variables which might predict the outcome of HCT and thus guide referral for assessment, are unknown.

The challenge of teaching undergraduates evidence-based veterinary medicine.

The Royal College of Veterinary Surgeons now lists 'How to evaluate evidence' as a day one competence for newly qualified vets. In this article, representatives from each of the veterinary schools in the UK discuss how the challenge of delivering and assessing the concepts of evidence-based veterinary medicine in a crowded undergraduate curriculum can be met.

A Nurse-Led Care Program for Breast Cancer Patients in a Chemotherapy Day Center: A Randomized Controlled Trial.

Healthcare providers are facing the challenge of helping cancer patients cope with the impact of outpatient-based chemotherapy. A nurse-led care program was proposed to address this challenge.

Sympathetic nervous system activity measured by skin conductance quantifies the challenge of walking adaptability tasks after stroke.

Walking adaptability tasks are challenging for people with motor impairments. The construct of perceived challenge is typically measured by self-report assessments, which are susceptible to subjective measurement error. The development of an objective physiologically-based measure of challenge may help to improve the ability to assess this important aspect of mobility function. The objective of this study to investigate the use of sympathetic nervous system (SNS) activity measured by skin conductance to gau...

Single-Cell Tracking Reveals a Role for Pre-Existing CCR5+ Memory Th1 Cells in the Control of Rhinovirus-A39 After Experimental Challenge in Humans.

Little is known about T cells that respond to human rhinovirus in vivo, due to timing of infection, viral diversity, and complex T-cell specificities. We tracked circulating CD4+ T cells with identical epitope specificities that responded to intranasal challenge with rhinovirus (RV)-A39, and we assessed T-cell signatures in the nose.

Exposure to lipopolysaccharide in utero alters the postnatal metabolic response in heifers.

This study was designed to determine the effect of prenatal lipopolysaccharide (LPS) exposure on the postnatal metabolic response to an LPS challenge in beef heifers. Pregnant, crossbred cows ( = 50) were assigned to a prenatal immune stimulation (PIS; = 25; administered 0.1 µg/kg BW LPS subcutaneously 233 ± 15d of gestation) or saline treatment group (Control; = 25). Birth and weaning BW of calves were collected. There was not (> 0.05) a treatment × gender interaction for birth weight or 205-d adjusted ...


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