Popular Blood Test News and Current Events

Popular Blood Test News and Current Events, Blood Test News Articles.
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JAK inhibitors associated with aggressive lymphoma
Austrian researchers have discovered that a small number of patients taking targeted drugs known as Janus kinase (JAK) inhibitors to treat myelofibrosis may develop aggressive lymphomas. (2018-06-15)

Non-invasive first trimester blood test reliably detects Down's syndrome
Cell-free fetal DNA testing, which measures the relative amount of free fetal DNA in a pregnant woman's blood, is a new screening test that indicates the risk of Down syndrome (trisomy 21), (2015-02-02)

New test extends window for accurate detection of zika
Diagnosis of Zika infection is complex. Molecular tests for exposure are only reliable in the first two to three weeks after infection. Antibody tests are confounded by cross-reactivity of antibodies to Zika with similar viruses like dengue and yellow fever. A new blood test called ZIKV-NS2B-concat ELISA is faster, less expensive, and extends the window of accurate detection to months after onset of infection, giving clinicians a powerful tool to screen for Zika throughout pregnancy. (2018-03-06)

Scientists uncover why sauna bathing is good for your health
Scientists at the University of Eastern Finland have shown that sauna bathing is associated with a variety of health benefits. Using an experimental setting this time, the research group now investigated the physiological mechanisms through which the heat exposure of sauna may influence a person's health. Their latest study with 100 test subjects shows that taking a sauna bath of 30 minutes reduces blood pressure and increases vascular compliance, while also increasing heart rate similarly to medium-intensity exercise. (2018-01-05)

Geisinger study: PTSD a medical warning sign for long-term health problems
New Geisinger research finds that post-traumatic stress disorder is an indicator of long-term health problems, similar to biological warning signs such as elevated white blood cell counts. With an in-depth study of Vietnam vets, pioneering PTSD researcher Joseph Boscarino shows that PTSD leaves a distinct biological mark on a person's overall health. Considered a psychological or mental health problem, PTSD should now be viewed as a threat to a person's physical health, Boscarino concludes. (2008-02-13)

High blood pressure may make it difficult for the elderly to think clearly
Adding another reason for people to watch their blood pressure, a new study from North Carolina State University shows that increased blood pressure in older adults is directly related to decreased cognitive functioning, particularly among seniors with already high blood pressure. This means that stressful situations may make it more difficult for some seniors to think clearly. (2008-12-15)

A better way to predict diabetes
An international team of researchers has discovered a simple, accurate new way to predict which women with gestational diabetes will develop type 2 diabetes after delivery. The discovery would allow health care providers to identify women at greatest risk and help motivate women to make early lifestyle changes and follow other strategies that could prevent them from developing the disease later in life. (2016-06-23)

Risk of preterm birth reliably predicted by new test
Scientists at UC San Francisco have developed a test to predict a woman's risk of preterm birth when she is between 15 and 20 weeks pregnant, which may enable doctors to treat them early and thereby prevent severe complications later in the pregnancy. (2018-05-24)

Here's something that will raise your blood pressure
The apelin receptor (APJ) has been presumed to play an important role in the contraction of blood vessels involved in blood pressure regulation. A University of Tsukuba-led research team found that APJ was closely associated with hypertension through effects on vascular smooth muscle cells in laboratory mice. In addition, APJ worked synergistically with the α1A-adrenergic receptor to cause vasoconstriction. These results may help to understand blood pressure regulation and support therapies for vascular diseases. (2019-11-01)

Scientists developing new blood test to screen for secondary heart attack
A blood test that quickly and easily detects whether a person is at risk of a secondary heart attack is being developed by scientists at the Baker Heart and Diabetes Institute. The Baker Institute's head of metabolomics, Professor Peter Meikle and his team have identified plasma lipid biomarkers (fats in the blood) that improve upon traditional risk factors in predicting heart disease and stroke. (2018-09-07)

Easy-to-use blood thinners likely to replace Coumadin
Within a few years, a new generation of easy-to-use blood-thinning drugs will likely replace Coumadin for patients with irregular heartbeats who are at risk for stroke, according to a journal article by Loyola University Medical Center physicians. (2012-02-06)

A protein makes the difference
It is well-established knowledge that blood vessels foster the growth of tumors. Preventing the formation of tumors is a standard part of cancer therapy. A study by researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg has discovered a new, surprising role played by blood vessels: under certain conditions they can inhibit tumor growth. (2016-10-18)

Why do we develop high blood pressure?
Abnormally high blood pressure, or hypertension, may be related to changes in brain activity and blood flow early in life. That's according to a study conducted on a rat model of high blood pressure, published in Experimental Physiology. (2017-03-09)

Aspirin before at-home colorectal cancer screening test didn't significantly improve ability to detect cancer precursors
Some observational studies have suggested that taking aspirin before undergoing colorectal cancer screening with a fecal immunochemical test for blood in stool might improve the ability of the test to detect cancer precursors. (2019-05-07)

Study shows area undamaged by stroke remains so, regardless of time stroke is left untreated
A study led by Achala Vagal, M.D., associate professor at the University of Cincinnati College of Medicine and a UC Health radiologist, looked at a group of untreated acute stroke patients and found that there was no evidence of time dependence on damage outcomes for the penumbra, or tissue that is at risk of progressing to dead tissue but is still salvageable if blood flow is returned in a stroke, but rather an association with collateral flow -- or rerouting of blood through clear vessels. (2016-05-25)

'Pulling' bacteria out of blood
Magnets instead of antibiotics could provide a possible new treatment method for blood infection. This involves the blood of patients being mixed with magnetic iron particles, which bind the bacteria to them after which they are removed from the blood using magnets. The initial laboratory tests at Empa in St. Gallen have been successful, and seem promising. (2016-12-07)

Novel device and staff education lead to lower blood culture contamination rates
A Medical University of South Carolina study found that use of a mechanical initial specimen diversion device (ISDD®) and staff education led to a nearly four-fold decrease in contaminated blood cultures that was sustained over 20 months. (2018-01-24)

Impact of misunderstanding genetic tests for heart conditions
Patients who undergo genetic testing for inherited heart disease need to be better informed to know how to interpret the results and understand the impact the results will have on their life, a University of Sydney study has found. (2018-02-23)

Leadership and adaptive reserve are not associated with blood pressure control
Primary care leadership and practice resilience can strengthen organizational culture. In small primary care practices, however, practice adaptive reserve and leadership capability are not associated with baseline blood pressure control. (2018-04-09)

New blood test for the detection of bovine TB
A new blood test to detect Mycobacteria in blood has been developed by a team at The University of Nottingham. The researchers have used this new method to show that cattle diagnosed with bovine tuberculosis (bTB) have detectable levels of the bacterium Mycobacterium bovis (M. bovis) in their blood which causes this disease. The research paper is available on request. (2016-05-31)

Predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.1266, Zhuzhi Wen, Jingying Hou, Zun Mai, Huifen Huang, Yangxin Chen, Dengfeng Geng and Jingfeng Wang from Sun Yat-sen University, Guangzhou, China and Guandong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, China consider predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope. (2021-01-22)

Healthy blood stem cells have as many DNA mutations as leukemic cells
Researchers from the Princess Máxima Center for Pediatric Oncology have shown that the number of mutations in healthy and leukemic blood stem cells does not differ. Rather the location of the mutations in the DNA is relevant. Using the mutation patterns in the hematopoietic stem and progenitor cells (HSPCs) the team was able to trace the developmental lineage tree of the cells. (2018-11-28)

Loosen up!
Generally, exercise is considered good for you. However, physicians and medical doctors previously prescribed bedrest to people with heart failure, fearing exercise could potentially lead to additional health problems. (2019-10-22)

Sensor for blood flow discovered in blood vessels
The PIEZO1 cation channel translates mechanical stimulus into a molecular response to control the diameter of blood vessels. (2016-11-10)

Global hematology diagnostics market estimated to expand at a robust CAGR over 2021
Hematology includes various IVD technologies such as blood analysis, flow cytometry, immunodiagnostics, molecular diagnostics, hemostasis, histology, and cytology. (2018-02-08)

Blood test shows potential for early detection of lung cancer
A test that analyzes free-floating DNA in the blood may be able to detect early-stage lung cancer, a preliminary report from the ongoing Circulating Cell-Free Genome Atlas (CCGA) study suggests. (2018-06-02)

Time to reassess blood-pressure goals
High blood pressure or hypertension is a major health problem that affects more than 70 million people in the US, and over one billion worldwide. Despite being a critically important risk factor for heart and kidney disease, defining the 'optimal' blood pressure has been a challenge. (2015-11-09)

ECOG-ACRIN discovers a simple blood test may predict recurrence of breast cancer
Late recurrence five+ years after surgery accounts for at least half of all breast cancer recurrences. There are no tests that identify who is at highest risk. ECOG-ACRIN Cancer Research Group researchers studied a blood test for circulating tumor cells, finding that in women cancer-free five after diagnosis, 5% had a positive test, which was associated with a 35% recurrence risk after two years, compared with only 2% with a negative test. Findings require follow-up. (2017-12-08)

Test used to diagnose asthma may not be accurate
A new study urges caution in the use of the mannitol challenge test for asthma in non-clinical settings. The test is considered widely applicable to detect asthma, but its accuracy outside of patients referred for specialized respiratory has not been thoroughly explored before. (2016-12-05)

FDA approves Bystolic, a novel beta blocker
The US Food and Drug Administration has approved Bystolic (nebivolol) for the treatment of hypertension, also known as high blood pressure. Bystolic works differently than many older beta blockers in that it is preferentially beta 1 selective at doses less than or equal to 10 mg, meaning it selectively blocks the effects of adrenaline at the heart. In addition, Bystolic vasodilates -- or widens and expands -- the blood vessels. (2007-12-18)

One in 10 people have traces of cocaine or heroin on their fingerprints
Scientists have found that drugs are now so prevalent that 13 percent of those taking part in a test were found to have traces of class A drugs on their fingerprints -- despite never using them. (2018-03-22)

Brothers in arms: The brain and its blood vessels
The brain and its surrounding blood vessels exist in a close relationship. Researchers from the MPI of Immunobiology and Epigenetics have discovered how cells of the blood vessels sense the metabolic condition of the brain and alter vascular function in response. The result could be important for patients with neurodegenerative disorders such as Alzheimer's because the onset of these age-related diseases coincides with vascular defects and breakdown of vascular function in the brain. (2020-06-15)

New transgenic rat model may enable better understanding of amyloid buildup in cerebral blood vessels
In a report in The American Journal of Pathology investigators describe the generation of a successful novel transgenic rat model that accumulates amyloid specifically in brain blood vessels and strongly mimics many of the associated detrimental changes that are observed in humans - a condition known as cerebral amyloid angiopathy (CAA), which is also commonly observed in Alzheimer disease. (2018-11-13)

Yale researchers identify target for novel malaria vaccine
A Yale-led team of researchers have created a vaccine that protects against malaria infection in mouse models, paving the way for the development of a human vaccine that works by targeting the specific protein that parasites use to evade the immune system. The study was published by Nature Communications. (2018-07-13)

Biomarkers in breast cancer: IQWiG criticizes conclusion on MINDACT data in US guideline
In their updated guideline, US oncologists recently recommended the MammaPrint test. Researchers from IQWiG have reacted in a letter to the editor in the Journal of Clinical Oncology. (2017-12-27)

Why antibiotics fail
UCSB biologists correct a flaw in the way bacterial susceptibility to these drugs is tested. (2017-06-01)

Scientists find new antimalarial drug targets
Researchers have discovered crucial new processes that allow malaria parasites to escape red blood cells and infect other cells, offering potential new treatment targets. The team are already working with pharmaceutical companies to use this knowledge to develop new antimalarial drugs - a critical step in the battle against drug-resistant malaria. (2018-02-20)

U of M begins nation's first clinical trial using T-reg cells from cord blood in leukemia treatment
University of Minnesota researchers have initiated a ground breaking clinical trial to determine the optimal dose and safety of T regulatory cells (T-regs) to decrease the risk of immune reactions common in patients undergoing blood and marrow transplantation. (2007-09-05)

New tool to improve blood pressure measurement
Oxford University researchers have developed a prediction model that uses three separate blood pressure readings taken in a single consultation and basic patient characteristics to give an adjusted blood pressure reading that is significantly more accurate than existing models for identifying hypertension. (2016-03-21)

Physically fit women nearly 90 percent less likely to develop dementia
Women with high physical fitness at middle age were nearly 90 percent less likely to develop dementia decades later, compared to women who were moderately fit, according to a study published the March 14, 2018, online issue of Neurology®, the medical journal of the American Academy of Neurology. The study measured the women's cardiovascular fitness based on an exercise test. (2018-03-14)

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