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.

Macugen approved for the treatment of neovascular (wet) age-related macular degeneration (AMD)

Eyetech Pharmaceuticals and Pfizer have announced that the U.S. Food and Drug Administration (FDA) approved Macugen (pegaptanib sodium injection) for the treatment of neovascular (wet) age-related macular degeneration (AMD), an eye disease associated with aging that destroys central vision.

20 Dec 2004

Model may explain how alcohol stimulates tumor growth

The investigators found that compared to the saline control group, the embryos exposed to ethanol experienced increases in tumor size, tumor blood vessel density, cancer cell infiltration of blood vessels, and VEGF levels.

13 Dec 2004

Study supports the use of the internal mammary artery in coronary artery bypass grafting

Long-term follow up with heart bypass patients treated in Veterans Affairs hospitals shows that 85 percent of left internal mammary artery grafts and 61 percent of vein grafts remain open (patent) after 10 years, and that these grafts are more likely to offer long-term success when they are attached to larger arteries on the heart, according to a new study in the Dec. 7, 2004 issue of the Journal of the American College of Cardiology.

8 Dec 2004

Noninvasive test of blood flow response may reveal early coronary disease

Chest pain patients who have abnormal coronary blood vessel function also have less responsive blood vessels in their fingertips, suggesting that a type of fingertip probe could become a useful screening tool, according to a new study in the Dec. 7, 2004 issue of the Journal of the American College of Cardiology.

8 Dec 2004

Defect in one of nature's oldest proteins may be an underlying cause in human miscarriages

University of Rochester scientists studying a vital protein called Serum Response Factor (SRF) in mice have learned new and unexpected facts about SRF's role in early cardiovascular development, and how a defect in this gene may be an underlying cause in human miscarriages.

8 Dec 2004

New insight into anticoagulation therapies

Anticoagulation therapies, or treatments that reduce the amount of clotting factors in the blood, are quite common and used for a variety of reasons.

6 Dec 2004

New advances in sickle cell disease

Excruciating pain episodes, recurrent pneumonias, strokes, severe infections, chronic hemolytic anemia, and secondary pulmonary hypertension are common complications of sickle cell disease, a life-threatening inherited defect in blood that causes normally disc-shaped red blood cells to take on a sickle shape.

6 Dec 2004

Children with sickle cell disease who are at risk for a stroke need ongoing blood transfusions to reduce their risk

“This important study shows the value of continuing periodic blood transfusions in preventing the serious and debilitating consequences of stroke,” says NHLBI Acting Director Barbara Alving. “At the same time, there are risks of chronic transfusions and the decision to continue with this treatment must be made on a case-by-case basis.”

6 Dec 2004

Simple and inexpensive interventions can cut the number of catheter-related bloodstream infections

As many as 28,000 patients die each year in the U.S. because of catheter-related bloodstream infections, but doctors and nurses who implement simple and inexpensive interventions can cut the number of deaths to nearly zero, according to a study by Johns Hopkins researchers.

30 Nov 2004

Astronaut's eyes may become windows on the bloodstream

Our eyes may become more than windows of the soul if a multidisciplinary team of University of Michigan researchers succeeds with a clever combination of nanoparticles and ultrafast pulsed laser to see individual cells as they zip past in the bloodstream.

29 Nov 2004

Bypass surgery on a beating heart is an excellent option for many patients with blocked heart arteries

Bypass surgery on a beating heart is an excellent option for many patients with blocked heart arteries, according to a study in Circulation: Journal of the American Heart Association.

24 Nov 2004

Overexpression of a protein called Down Syndrome Critical Region 1 (DSCR-1) reduces tumor growth

Scientists have found that overexpression of a protein called Down Syndrome Critical Region 1 (DSCR-1) blocks the formation of new blood vessels and thus reduces tumor growth. Therapeutics based on this finding may potentially lead to new cancer treatments.

19 Nov 2004

Unusual protein pair that stops blood vessels' growth in the developing back

In experiments with mice, a research team led by Johns Hopkins scientists has discovered an unusual protein pair that stops blood vessels' growth in the developing back.

18 Nov 2004

Research provides more evidence of communication between developing nerves and blood vessels

In a developing embryo, the growth of nerves cannot outpace the establishment of life-giving blood vessels. Now, researchers have found that a protein intimately involved in blood vessel patterning actually belongs to a family of proteins known to guide neural development.

18 Nov 2004

Heart bypass gets new source for replacement blood vessels

The search for a stable, renewable source of blood vessels, especially for potential use in heart bypass surgery, has reached a milestone at the State University of New York at Buffalo.

11 Nov 2004

ACE inhibitors not needed for many heart disease patients

Many heart disease patients who are already receiving state-of-the-art therapy do not benefit from additional treatment with angiotensin converting enzyme (ACE) inhibitors, according to results of a new study funded by the National Heart, Lung, and Blood Institute (NHLBI).

8 Nov 2004

Walnut supplementation favorably affects cholesterol and other lipids that are signs of cardiovascular risk

A Penn State study has shown that a diet rich in alpha-linolenic acid from walnuts, walnut oil and flaxseed oil not only lowered bad cholesterol but also decreased markers for blood vessel inflammation in men and women representative of typical Americans at cardiovascular risk.

8 Nov 2004

Second successful human ovarian to arm transplant in the world

A new study finds surgery to transplant an ovary to the upper arm is feasible and preserves hormonal function in women undergoing treatment for cervical cancer.

8 Nov 2004

Protein important to nerve development serves the dual purpose of stimulating the growth of blood vessels

The discovery opens the possibility that blood vessel growth (angiogenesis) one day may be induced, or stymied, for therapeutic use against heart disease, cancer, and other illnesses, according to Dean Y. Li, M.D., Ph.D., associate professor of internal medicine in the U of U School of Medicine's Division of Cardiology.

1 Nov 2004

Scientists have found that a protein present in normal body tissues can prevent tumour growth

A team led by Dr Dave Bates, British Heart Foundation Lecturer, and Dr Steve Harper, Senior Research Fellow in the Microvascular Research Laboratories, in the Department of Physiology at Bristol University, have discovered that a type of vascular endothelial growth factor (VEGF) found in normal tissue, including blood, can prevent cancers from growing.

1 Nov 2004

Blood Vessel News and Research

Macugen approved for the treatment of neovascular (wet) age-related macular degeneration (AMD)

Model may explain how alcohol stimulates tumor growth

Study supports the use of the internal mammary artery in coronary artery bypass grafting

Noninvasive test of blood flow response may reveal early coronary disease

Defect in one of nature's oldest proteins may be an underlying cause in human miscarriages

New insight into anticoagulation therapies

New advances in sickle cell disease

Children with sickle cell disease who are at risk for a stroke need ongoing blood transfusions to reduce their risk

Simple and inexpensive interventions can cut the number of catheter-related bloodstream infections

Astronaut's eyes may become windows on the bloodstream

Bypass surgery on a beating heart is an excellent option for many patients with blocked heart arteries

Overexpression of a protein called Down Syndrome Critical Region 1 (DSCR-1) reduces tumor growth

Unusual protein pair that stops blood vessels' growth in the developing back

Research provides more evidence of communication between developing nerves and blood vessels

Heart bypass gets new source for replacement blood vessels

ACE inhibitors not needed for many heart disease patients

Walnut supplementation favorably affects cholesterol and other lipids that are signs of cardiovascular risk

Second successful human ovarian to arm transplant in the world

Protein important to nerve development serves the dual purpose of stimulating the growth of blood vessels

Scientists have found that a protein present in normal body tissues can prevent tumour growth

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