Tag: "variability" at medical news

Fluctuating eye pressure associated with visual field deterioration in glaucoma patients

...on in all patients, Dr. Caprioli writes. Long-term variability may disrupt homeostatic mechanisms. Irregular and large IOP fluctuations may cause a loading and unloading of stresses, and as opposed to conditions of static stress, the tissue is unable to compensate and damage occurs. I would propose for your co...

European heat waves double in length since 1880

...rrected for this warm bias and other biases in the variability of daily summer temperatures and show that nearly ...ns between the summer atmosphere and the land, the variability of summer temperatures is expected to [continue to] increase substantially by 2100." ...

Researchers develop criteria to detect bone mass deficiencies in children with chronic diseases

...se sample large enough to capture normal bone mass variability and, 3) statistical analysis methods that adequately characterize age-related trends and value distribution at different ages. The study found that bone mass is still increasing at age 16 in girls and 17 in boys, underscoring the importance of main...

Long-term treatment with VYVANSE, first prodrug stimulant, demonstrates significant efficacy in ADHD

... A once-daily 70 mg dose of VYVANSE provided low variability in the time from administration to maximum concentration of d-amphetamine from patient to patient. This finding was based on data from 17 children with ADHD aged 6 to 12 years enrolled in a double-blind phase II crossover trial examining the efficac...

Genetic markers in surrounding tissues linked to breast cancer tumor grade, presence of metastases

...dy in the May 16 issue of JAMA. A high degree of variability is observed in both biological behavior and clinical outcome in sporadic breast cancer, and this diversity may increase the difficulty in determining the appropriate treatment for a patient, according to background information in the article. "It has...

New prostate cancer treatment wins operations research award for Sloan-Kettering

...anning across different clinics, thus reducing the variability in the quality of treatment plans. The resulting plans limit urethral dose, decrease the operator-dependency, and reduce the influence of the learning curve associated with prostate brachytherapy. These all have important consequences for the outcome...

Listen to your heart: Researchers discover a physiological indicator of vulnerability to temptation

... A measure of cardiac regulation called heart rate variability (HRV) appears to be linked to self regulation according to the article published in the March issue of Psychological Science. The authors conducted a two-part study in order to test their hypothesis. In the first, participants were instructed to ...

First ozone and nitrogen dioxide measurements from MetOp-A

...its of MetOp-A. This picture illustrates the large variability within the ozone layer, with ozone-rich air at the northern mid-latitudes and smaller levels of ozone over the (sub)-tropical region. GOME-2 monitors the ozone layer amount from day to day on a global basis, and will track the evolution of the ozone-...

New details in schizophrenia treatment trial emerge

...id Dr. Stroup. "They remind us of the considerable variability in clinical circumstances and of our need to be responsive to an individuals needs and preferences." Schizophrenia Patients Social and Community Living Skills Improve Modestly While on Antipsychotic Medications Patients with schizophrenia taki...

Aspirin saves lives of cancer patients suffering heart attacks, despite fears of bleeding

...physicians were treating their patients with great variability and the disparity was obvious," Durand says. Sarkiss, who is the study's lead author, Durand, and a team of researchers which included investigators from Baylor College of Medicine and Duke University Medical Center, conducted a retrospective analy...

New amfAR research grants aim to advance understanding and prevention of rectal HIV transmission

... and determine whether such differences are due to variability in the virus and/or in the cells first encountered by the virus. Such studies will allow researchers to develop ways of evaluating the effectiveness of rectal microbicides. Craig Hendrix, M.D. Johns Hopkins University School of Medicine, Baltimo...

Telomere length may predict risk of coronary heart disease in middle-aged men

...iological ageing might contribute to the risk--and variability in age of onset--of coronary heart disease"...

The future of federally funded food programs -- Can they also fight obesity?

... money, research has shown that there can be great variability among the price of foods with similar nutrient density." Therefore, Kennedy believes that "working with participants to influence their food choices could result in a more nutritious diet for less money." "The nutrition community needs to look ahe...

Fluid displacement from legs to neck can lead to obstructive sleep apnea

...er only account for approximately one-third of the variability in the apnea-hyponea index," said Dr. Bradley. "A factor not ordinarily considered is fluid accumulation at the nape of the neck and around pharyngeal soft tissue. Obstructive sleep apnea is very common in fluid-retaining states such as heart failure...

NIAID media availability: Examining genetic variability of malaria parasite offers insight

...ics reveal important new details about the genetic variability of the malaria parasite and provide new clues for how it causes disease. One paper, funded in part by the National Institute of Allergy and Infectious Diseases (NIAID), a component of the National Institutes of Health (NIH), reports the results of a ...

Eating walnuts with high-fat meals helps to protect arteries against short-term damage

...peculated the supplements would enhance heart rate variability as well as improve the heart's ability to detect and respond to blood pressure changes. According to their findings, the study "provides the first demonstration that a 4-month dietary supplementation of polyunsaturated fatty acids is accompanied by ...

Large collaborative effort provides first publicly available genetic data for Parkinson's research

...ed by other researchers to identify common genetic variability that results in minor and moderate risk for disease. Samples were derived from The NINDS (National Institute of Neurological Disorders and Stroke) Human Genetics Resource Center at the Coriell Institute ( http://ccr.coriell.org/ninds ), a growing ban...

NCI creates network of Clinical Proteomic Technology Centers for cancer research

...oach to assess intra-platform and inter-laboratory variability in these measurement technologies. Awardees include (in alphabetical order by the investigator leading the institutional team): Broad Institute of MIT and Harvard, Cambridge, Mass.Steven A. Carr, Ph.D. University of California, San Francisco/...

HIV measurement appears to be less reliable than thought in predicting loss of CD4 cells

...er, only a small proportion of the interindividual variability in the rate of CD4 cell decline can be explained by plasma HIV RNA level, even after accounting for the effect of measurement error," the authors write. "These findings represent a major departure from the notion that plasma HIV RNA level is a reli...

Road wends its way through stomach

...explain why pharmaceuticals sometimes have a large variability in drug activation times, according to a team crea...mach. "This discovery might explain observed high variability in drug initiation time, and may have important implications to both drug delivery and digestion," t...

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(Date:5/23/2013)... to be the world,s most popular fruit, can be ... with purple GM varieties. , "Working with GM ... the addition of a specific compound, allows us to ... Professor Cathie Martin from the John Innes Centre. , ... better flavour, health and shelf life characteristics because even ...
(Date:5/23/2013)... discovering the new mechanism by which estrogen suppresses lipid ... a potential new approach toward treating certain liver diseases. ... colleagues believe they are changing long-held views in the ... of the journal Science Signaling . , "The ... has been that only receptors located in the nucleus ...
(Date:5/23/2013)... new report from the Institute of Medicine says schools ... least 60 minutes of vigorous or moderate intensity activity ... of American youth meet current evidence-based guidelines of at ... activity daily, according to the report, which was released ... nearly half of their waking hours, the committee recommends ...
Breaking Biology News(10 mins):The world's favorite fruit only better-tasting and longer-lasting 2UCI study reveals new mechanism for estrogen suppression of liver lipid synthesis 2Schools should provide students with daily physical activity, IOM recommends 2
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