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Current Blood Flow News and Events, Blood Flow News Articles.
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Engineering a new spin for disease diagnostics
Researchers at the National University of Singapore have created a new platform with the potential to extract tiny circulating biomarkers of disease from patient blood. This simple, fast and convenient technique could help realize liquid biopsy diagnostics -- a less invasive procedure than the current gold standard: tumor biopsies. Details of the new technique, which utilizes standard laboratory equipment, are reported in this week's Biomicrofluidics. (2018-03-06)

Healthy diet may not offset high salt intake
A healthy diet may not offset the effects of a high salt intake on blood pressure, suggests a new study. The research, from scientists at a number of institutions, including Imperial College London and Northwestern University, analysed the diets of over 4,000 people. The results, published in the journal Hypertension, showed that people eating higher amounts of salt had higher blood pressure -- no matter how healthy a person's overall diet. (2018-03-05)

Engineers, physicians, team to replace heart valves using personalized modeling
Engineers are exploring applications for 3-D printers in the medical field, and the newest research is now going from the lab to the operating room. Experts at The Ohio State University Wexner Medical Center use CT scans to model a patient's aorta, then create a 3D-printed replica down to its exact texture based on the calcification in a patient's tissue. (2018-03-05)

KAIST finds the principle of electric wind in plasma
A KAIST team identified the basic principle of electric wind in plasma. This finding will contribute to developing technology in various applications of plasma, including fluid control technology. (2018-03-01)

3-D simulations reveal synergistic mechanisms of the human heart
In a new study published in EPJ E, Valentina Meschini from the Gran Sasso Science Institute, L'Aquila, Italy and colleagues introduce a new model that examines the mutual interaction of the blood flow with the individual components of the heart. Their work stands out by offering a more holistic and accurate picture of the dynamics of blow flow in the left ventricle, which could give clues to better prevention of cardiac conditions. (2018-02-28)

Decrease seen in red blood cell, plasma transfusions in US
The frequency of red blood cell and plasma transfusions decreased among hospitalized patients in the United States from 2011 to 2014. (2018-02-27)

New research reports advances in measuring blood flow velocity in deep tissue
The first photoacoustic measurements of blood flow using a handheld ultrasound unit that edges acoustic resolution-photoacoustic flowmetry (AR-PAF) closer to clinical use, has been reported by researchers from University College London and the University of Twente. Their work is outlined in an article in the Journal of Biomedical Optics published by SPIE, the international society for optics and photonics. (2018-02-27)

Landscape genetics branches out to help conserve riverside forests
A team of scientists lead by Dr Ikuyo Saeki of the University of Tsukuba, Japan, examined gene flow in the endangered maple, Acer miyabei, using landscape genetics, a powerful and increasingly popular tool in conservation projects. It involves the integration of population genetics and landscape ecology, in order to examine how recent landscape changes, for example, habitat fragmentation, have affected the genetic diversity of species. (2018-02-27)

Accurate telomere length test influences treatment decisions for certain diseases
Research led by Johns Hopkins physicians and scientists shows that a test for measuring the length of DNA endcaps, called telomeres, which has a variability rate of 5 percent, can alter treatment decisions for patients with certain types of bone marrow failure. (2018-02-26)

New insight into how magma feeds volcanic eruptions
A novel research study by scientists at the University of Liverpool has provided new insights into how molten rock (magma) moves through the Earth's crust to feed volcanic eruptions. Using laboratory experiments involving water, jelly and laser imaging, researchers were able to demonstrate how magma magma flows through the Earth's crust to the surface through magma-filled cracks called dykes. (2018-02-22)

Weather should remain predictable despite climate change
New research from the University of Missouri suggests that even as rising carbon dioxide levels in the atmosphere drive the climate toward warmer temperatures, the weather will remain predictable. (2018-02-22)

Turn off the telly and get moving
Spending too much time in front of the television could increase your chance of developing potentially fatal blood clots known as venous thrombosis. Even trying to counterbalance hours of TV watching through adequate exercise is not effective warns Yasuhiko Kubota of the University of Minnesota in the US. Kubota is the lead author of a study in Springer's Journal of Thrombosis and Thrombolysis. (2018-02-21)

Scientists discover critical molecular biomarkers of preeclampsia
A new Tel Aviv University study identifies novel molecular biomarkers of preeclampsia, a sudden pregnancy complication, signaling the potential for an early diagnostic blood test. (2018-02-21)

Women once considered low risk for heart disease show evidence of previous heart attack scars
Women who complain about chest pain often are reassured by their doctors that there is no reason to worry because their angiograms show that the women don't have blockages in the major heart arteries, a primary cause of heart attacks in men. But a National Institutes of Health study shows that about 8% of those women actually have scars on their heart that indicate they experienced a heart attack. (2018-02-20)

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)

As climate changes, so could the genes of the Eastern tiger swallowtail butterfly
Researchers warn climate change can not only influence the geographic distribution of a species in response to changing conditions -- it could also affect the evolutionary trajectories of interbreeding species. (2018-02-20)

High blood pressure limits protection to vital organs and tissues in low-oxygen conditions
New research published in The Journal of Physiology sheds light on the effects of high blood pressure by considering the way the body responds to a lack of oxygen. (2018-02-20)

Study looks at how newly discovered gene helps grow blood vessels
A new study published today found that a newly discovered gene helps grow blood vessels when it senses inadequate blood flow to tissues. (2018-02-19)

Autonomous vehicles improve traffic flow
Improvements in traffic flow and fuel consumption are boosted when even a few autonomous vehicles are immersed in bulk traffic, according to research by Rutgers University-Camden mathematics scholar Benedetto Piccoli. (2018-02-19)

Muscle more important than fat in regulating heat loss from the hands
New study suggests that people with more muscle mass are less susceptible to heat loss and heat up faster after cold exposure than non-muscular individuals. (2018-02-14)

SNMMI and ASNC issue joint guidelines for quantification of myocardial blood flow using PET
The Society of Nuclear Medicine and Molecular Imaging's (SNMMI) Cardiovascular Council and the American Society of Nuclear Cardiology (ASNC) have issued the joint position paper, Clinical Quantification of Myocardial Blood Flow Using PET, which was jointly published in the Journal of Nuclear Cardiology and The Journal of Nuclear Medicine. (2018-02-13)

Most children with sickle cell anemia not receiving key medication to stay healthy
One of the greatest health threats to children with sickle cell anemia is getting a dangerous bacterial infection -- but most are not receiving a key medication to reduce the risk, a new study suggests. (2018-02-13)

Ketone drink could help diabetics by lowering blood sugar
For the first time it has been shown that drinking a ketone supplement can lower blood sugar levels, presenting a potential future method to control spikes in blood sugar experienced by diabetics. (2018-02-13)

NIR light may identify breast cancer patients who will benefit most from chemotherapy
A new optical imaging system developed at Columbia University uses red and near-infrared light to identify breast cancer patients who will respond to chemotherapy. The imaging system may be able to predict response to chemotherapy as early as two weeks after beginning treatment. Findings from a first pilot study of the new imaging system -- a noninvasive method of measuring blood flow dynamics in response to a single breath hold -- were published today in Radiology. (2018-02-12)

Obesity, other risks play large role in sudden cardiac arrest among the young
Obesity and other common cardiovascular risk factors may play a greater role in sudden cardiac arrest among younger people than previously recognized, underscoring the importance of earlier screening, a Cedars-Sinai study has found. (2018-02-12)

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)

Interference as a new method for cooling quantum devices
Theoretical physicists propose to use negative interference to control heat flow in quantum devices. Study published in Physical Review Letters (2018-02-08)

Tracking oxygen saturation, plus vital signs, to identify vulnerable preemies
While near-infrared spectroscopy (NIRS) long has been used to monitor oxygenation in conditions in which blood flow is altered, such as bleeding in the brain, how NIRS values relate to other vital sign measures in NICU babies was unknown. (2018-02-07)

Self-sealing miniature 'wound' created by engineers
Biomedical engineers have developed a miniature self-sealing model system for studying bleeding and the clotting of wounds. The researchers envision the device as a drug discovery platform and potential diagnostic tool. (2018-02-07)

Half of all dementias start with damaged 'gatekeeper cells'
USC research sheds new light on how a breakdown in the brain's vascular system predates the accumulation of toxic plaques and tangles in the brain that bring about Alzheimer's disease. The research suggests an earlier target for preventing dementia and Alzheimer's. Nearly 50 percent of all dementias, including Alzheimer's, begins with the breakdown of the smallest blood vessels in the brain and their protective (2018-02-05)

Red wine proves good for the heart (again)
Antioxidant compounds found in red wine are advancing the treatment of heart disease -- the leading cause of death for both men and women in the US Researchers have developed drug-eluting stents with red wine antioxidants. (2018-02-01)

Improving the sensitivity for ionic solutes analysis
Japanese researchers have found that using electrodialytic ion transfer to enrich ionic solutes in aqueous sample before detection is a highly effective method to improve the sensitivity of analytical systems. The method enriches solutes within seconds and allows for the measurement of trace ionic solutes that could not be detected without it. (2018-01-31)

Landmark international study: CAR T-cell therapy safe and effective in youth with leukemia
Results of the global, multicenter, pivotal phase 2 study that led to the first FDA approval of a gene therapy/cell therapy approach known as CAR T-cell therapy, were published today in the New England Journal of Medicine. Senior authors on the study include Stephen A. Grupp, of Children's Hospital of Philadelphia and Michael A. Pulsipher, M.D., of Children's Hospital Los Angeles (CHLA). (2018-01-31)

Migraine linked to increased risk of cardiovascular problems
Migraine is associated with increased risks of cardiovascular problems (conditions affecting the heart and blood vessels) including heart attacks, stroke, blood clots and an irregular heart rate, say researchers in a study published by The BMJ today. (2018-01-31)

In the pipeline: A solution to a 130-year old problem
A twist on a textbook physics experiment sheds light on a complex phenomenon in fluid dynamics. (2018-01-31)

Many older individuals with type 2 diabetes are over-treated
In a recent Diabetes, Obesity & Metabolism analysis of individuals aged 70 years with type 2 diabetes, almost 40 percent with recommended HbA1c levels (which indicate blood glucose levels) were over-treated. (2018-01-24)

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)

Brain-scan guided emergency stroke treatment can save more lives
Advances in brain imaging can identify a greater number of stroke patients who can receive therapy later than previously believed, according to a new study. The results of the Endovascular Therapy Following Imaging Evaluation for the Ischemic Stroke (DEFUSE 3) trial demonstrated that physically removing brain clots up to 16 hours after symptom onset in selected patients led to improved outcomes compared to standard medical therapy. The study was funded by the National Institutes of Health. (2018-01-24)

Lifesaving microbubbles
Severe oxygen deficiency eventually leads to cardiac arrest. If the blood's oxygen content cannot be rapidly re-established, the patient may die within minutes. In the journal Angewandte Chemie, American scientists have introduced air-filled microbubbles that could be used as an intravenous oxygen carrier to increase the survival rate of such patients. Because they rapidly dissolve in blood, the risk of embolism is minimal. (2018-01-23)

Not just a stem cell marker
The protein CD34 is predominantly regarded as a marker of blood-forming stem cells but it helps with migration to the bone marrow too. (2018-01-22)

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