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Blood, Heart and Circulation

How the spleen filters blood

Computer model finds slits in the spleen impose a “physical fitness test” on red blood cells. ...

Prehypertension during pregnancy could lead to cardiovascular risks

Study Highlights Pregnant women who experience even subtle blood pressure elevations in the upper ranges of what is considered “normal” blood pressure appear ...

Starving stem cells may enable scientists to build better blood vessels

Researchers from the University of Illinois at Chicago College of Medicine have uncovered how changes in metabolism of human embryonic stem cells help coax them to mature into specific cell types — and may improve their function in engineered organs or tissues. ... Full story

A tiny pump comes to the aid of weakened hearts

EPFL researchers have developed an innovative cardiac support system in the form of a small ring placed on the aorta. This device is less invasive than traditional methods and avoids problems of hemolysis and the need for regular transfusions because it does not come into direct contact with the blood. ... Full story

Eating more whole grains linked with lower risk of death

American Heart Association Journal Report: Study Highlights: Eating at least three servings of whole grains a day was associated with lower risk of death from cardiovascular disease, cancer and all causes in an analysis of nutrition studies. These findings further support the U.S. government’s current Dietary Guidelines for Americans, which recommends at least three daily servings of whole grains. ... Full story

Chest Pain is Common but Actual Severity is Rare

UCSF Study Finds that Most Visits to ER for Chest Pain are Not Life -Threatening ... Full story

The vascular bypass revolution

Coronary or peripheral bypasses are the most frequently performed vascular operations. Although one million patients per year and around the world, undergo this intervention, its failure rate reaches 50%, because of poor vessel healing, leading to vessel graft occlusion. To improve the outcome of bypasses, researchers from the University of Geneva (UNIGE) work together with medical doctors from the Lausanne University Hospital (CHUV). They developed a gel containing microparticles –‘GeM’, enabling the controlled release of a drug inhibiting cellular over-proliferation. Administered locally, directly on the bypass graft during surgery, this preventive treatment will reduce the risk of obstruction reoccurrence. This research can be read in The Journal of Controlled Release. ... Full story

Study: Low levels of regenerative cells can lead to peripheral arterial disease

An Emory study published online this week in Circulation Research suggests that a disruption in the body’s own regenerative capacity, measured by levels of circulating progenitor cells, may contribute to the development of peripheral arterial disease (PAD). ... Full story

Bioengineered blood vessel is safe for dialysis patients, study finds

By Ziba Kashef - Bioengineered blood vessels may prove to be safer and last longer than synthetic vessels for patients on dialysis. ... Full story

New Rule Gives FDA Tighter Grip on Tobacco, Says American Heart Association

Washington, D.C – American Heart Association CEO Nancy Brown issued the following comments today on the Food and Drug Administration’s (FDA) release of the final tobacco deeming rule that gives the agency authority to regulate tobacco products, including e-cigarettes, hookah and cigars: ... Full story

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