Blood Vessel News and Research

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Blood Vessels are tubes through which the blood circulates in the body. Blood vessels include a network of arteries, arterioles, capillaries, venules, and veins.

Obese Zucker rat model shares the symptoms of obesity with a growing number of Americans

A mutant rat that mimics a 400-pound human is helping scientists understand early vascular changes that make walking a pain for more than 2 million Americans.

9 Oct 2005

Recommendation that physicians be a little more cautious in deciding against tPA treatment

Although use of the clot-dissolving drug tissue plasminogen activator (tPA) has revolutionized the treatment of acute stroke patients, many of those who could receive the drug do not because their initial symptoms appear mild or improve soon after they arrive at the hospital.

9 Oct 2005

Study paves the way for new therapeutic targets which can potentially improve heart disease in patients with end-stage kidney failure

Night-time hemodialysis patients may have a greater capacity to repair their hearts and blood vessels compared to those on conventional dialysis three times a week, according to a study in the October issue of the American Journal of Physiology - Renal Physiology, published by the American Physiological Society.

4 Oct 2005

Role of asymmetric dimethylarginine in damaged blood vessels

A substance found naturally in the blood vessel lining is thought to contribute towards diseases associated with the circulation system, such as heart failure, high blood pressure, stroke and kidney disease.

4 Oct 2005

Mayo Clinic researchers find earliest sign of nerve change due to diabetes

Mayo Clinic researchers have found that subtle change in nerve conduction is the first reliable sign of nerve complications from diabetes and that this change can be measured long before other symptoms or signs of nerve damage develop.

3 Oct 2005

Lack of oxygen in body tissues creates a defect of red blood cells that further exacerbates the condition by constricting blood vessels in the lung

What's more, the team demonstrated through studies in people and animals that inhalation of a 'souped up' form of nitric oxide, which targets red blood cells, reverses the blood abnormality to restore normal lung pressure.

3 Oct 2005

Flavanols help smokers repair blood vessel function

Phytochemicals known as flavanols, which are found in chocolate, fruits and vegetables, can boost the levels of nitric oxide in the blood of smokers and reverse some of their smoking-related impairment in blood vessel function, according to a new study in the Oct. 4, 2005, issue of the Journal of the American College of Cardiology.

28 Sep 2005

Gene variants and beta-blockers associated with increased risk of death

Patients with certain gene variants who were prescribed beta-blocker drugs after acute coronary syndrome (ACS) had an increased risk of death over the next three years, according to a study in the September 28 issue of Journal of the American Medical Association (JAMA).

27 Sep 2005

$Statin use associated with a 36 percent reduction in risk of fracture$

Statin use associated with a 36 percent reduction in risk of fracture

In a large study of elderly, predominately male veterans, statin use was associated with a 36 percent reduction in risk of fracture when compared with no lipid-lowering therapy, according to a study in the Archives of Internal Medicine

26 Sep 2005

Abnormal leakage of lymph fluid from the ruptured lymphatic vessels stimulates the accumulation of fat

Leaky lymphatic vessels are the leading cause of the adult onset obesity observed in a laboratory model developed by investigators at St. Jude Children's Research Hospital.

26 Sep 2005

Low-dose aspirin might prevent the cardiovascular damage known to arise from use of the painkiller rofecoxib (Vioxx)

Their findings that a chemical imbalance might underlie such damage could also lead to the development of anti-inflammatory drugs without the adverse side effects, the researchers said.

20 Sep 2005

New study dispels role of B vitamins in preventing heart attacks

According to the findings of a new study, by giving B vitamins to heart attack survivors their risk of having another attack is not reduced, and it may in fact do more harm than good.

6 Sep 2005

Stents may be too expensive to use in all patients

A device that improves outcome in patients with coronary artery disease may be too expensive to use in all patients, suggests a study published early online and in the upcoming issue of The Lancet.

6 Sep 2005

Can a new combination treatment prevent a secondary stroke in children with sickle cell anemia?

St. Jude Children’s Research Hospital will lead a national Phase III clinical trial to investigate whether a new combination treatment can prevent a secondary stroke in children with sickle cell anemia (SCA) and eliminate the need for nightly injections with a drug that reduces iron overload in these patients.

1 Sep 2005

Simple new way to modify collagen, paving the way for better infection-fighting bandages

Collagen often pops up in beauty products and supermodel lips. But by mating collagen with a molecular hitchhiker, materials scientists at Johns Hopkins hope to create some important medical advances.

30 Aug 2005

Viagra fights heart and lung diseases

German researchers have reported on the impact of Viagra on pulmonary hypertension at the Frontiers of Vascular Medicine Conference at Monash University this week.

30 Aug 2005

Ways to avoid hazards of heart bypass under study

The heart-lung bypass machine that stills the heart while surgeons bypass an adult’s clogged arteries or repair a baby’s malformed heart can also trigger a potentially deadly inflammatory response.

28 Aug 2005

Nitric oxide synthase plays a role in peripheral vascular disease

The enzyme nitric oxide synthase plays a role in peripheral vascular disease, a common disease that impairs the mobility of 25 percent of people over the age of 50, according to a Yale study in the Proceedings of the National Academy of Sciences (PNAS).

26 Aug 2005

Chronic use of nitroglycerin for chest pain could lead to mitochondrial damage

Definitive evidence to explain how the drug nitroglycerin relieves chest pain has resulted from a new study by Howard Hughes Medical Institute investigators at Duke University Medical Center. Nitroglycerin relaxes blood vessels to boost blood flow, yet the mechanism by which the drug works has remained a matter of scientific controversy.

16 Aug 2005

Little convincing evidence that dietary antioxidant supplements such as vitamin E prevent heart disease

Instead there has been a surprise finding, which relates to a synthetic antioxidant, the drug Probucol, which is no longer prescribed in Australia.

11 Aug 2005