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MRI clues identify stroke victims at risk of skull hemorrhaging

The appearance of parenchymal enhancement of stroke lesions and the hyperintense MCA sign on MRI may help identify stroke patients at risk of hemorrhaging in the skull, says a new study by researchers at Shantou University Medical College in China and the University of Toronto in Canada.

3 May 2006

Reward-motivated learning: mesolimbic activation precedes memory formation

The prospect of a paycheck, good grade, or promotion wonderfully concentrates the mind, and researchers have now identified the brain circuitry responsible for such reward-motivated learning.

3 May 2006

If jaundice is detected and treated properly children at no greater risk

Newborn babies who are diagnosed with and treated for jaundice are no more likely than other babies to suffer long-term developmental problems, according to a study published in the New England Journal of Medicine.

3 May 2006

Hormone therapy still the most effective for menopause symptoms

A new study has found that estrogen therapy is the best treatment for menopause-related hot flashes.

3 May 2006

$Men with low estrogen levels have an increased risk for future hip fracture$

Men with low estrogen levels have an increased risk for future hip fracture

A new study has found that men with low estrogen levels have an increased risk for future hip fracture, and those with both low estrogen and low testosterone levels have the greatest risk.

3 May 2006

Saint Louis University hunt for a Hepatitis C vaccine

Human clinical trials involving investigational vaccines to prevent Hepatitis C are rare. In the fall of 2003 there was a first-ever study at Saint Louis University Center for Vaccine Development, and an earlier small study at Johns Hopkins School of Medicine.

3 May 2006

Therapeutic gene suspected to cause cancer

One of the few gene therapy studies that had ever been successful was terminated in 2003, because several of the treated children had developed leukemia.

3 May 2006

DARPA grant supports research toward realizing tissue regeneration

While U.S. soldiers fighting in Iraq and Afghanistan are surviving injuries that in previous conflicts likely would have been fatal, the number of wounded with major tissue loss has never before been so high.

3 May 2006

Passive smoking associated with behavior problems in children and pre-teens

A new Cincinnati Children's Hospital Medical Center study shows that exposure to environmental tobacco smoke, even at extremely low levels, is associated with behavior problems in children and pre-teens.

3 May 2006

Differential effects of HOXB4 on nonhuman primate short and long-term repopulating cells

Transplantation of hematopoietic stem cells (HSCs, the cells that can give rise to all blood and most immune cell types) can save patients whose own hematopoietic system is defective or has been destroyed (often through radiation or chemotherapy of cancer).

3 May 2006

Study helps explain why aerobic training helps heart failure patients

Aerobic training is associated with a reversal of abnormal hormonal patterns that underlie many of the debilitating symptoms of heart failure, according to a new study in the Journal of the American College of Cardiology.

3 May 2006

African American men have fewer, less severe coronary obstructions than white males

While African American men are more likely to die from cardiovascular disease, they paradoxically have fewer cases of coronary obstruction than clinically similar white men, according to a new national study led by a Medical College of Wisconsin researcher.

3 May 2006

Researchers test secret herb to stop hot flushes associated with breast cancer

Researchers at the University of Manchester are testing a secret herb in a bid to stop the severe hot flushes that besiege breast cancer patients on hormone treatment.

From The University of Manchester 3 May 2006

Virtual reality simulation technology improves carotid angiography skills

Cardiologists can learn to perform risky catheter procedures such as carotid angiography on a virtual patient simulator, rather than on real patients, according to a new study in the May 2, 2006, issue of the Journal of the American College of Cardiology.

3 May 2006

Inflammation markers identify fatigue in breast cancer survivors

Researchers at the University of California, Los Angeles have defined conditions associated with disabling fatigue that persists for years in almost a third of breast cancer survivors, according to a study in the May 1 issue of Clinical Cancer Research.

3 May 2006

Progressive histological damage in liver allografts following pediatric liver transplantation

A new study on the long-term outcome of children undergoing liver transplants found that chronic hepatitis (CH) was common and that it was not detectible using standard blood tests.

3 May 2006

Elevated serum alanine aminotransferase activity and calculated risk of coronary heart disease in the U.S.

A new study on the relationship between nonalcoholic fatty liver disease (NAFLD) and heart disease found that patients with an elevated level of the enzyme associated with NAFLD had an increased risk of coronary heart disease, which appears to be related to insulin resistance, obesity and central fat distribution.

3 May 2006

New study describes molecular basis of NeuroAIDS

Using multi-disciplinary analysis that included cognitive, neurophysiologic, virologic, and molecular techniques, the team found both a low-level viral infection in the brain and immune cells that had infiltrated the brain in order to protect against the virus.

3 May 2006

Periodontitis and plasma C-reactive protein during pregnancy

Researchers found that pregnant women with periodontitis had 65 percent higher C-reactive protein (CRP) levels compared to periodontally healthy women.

3 May 2006

New drug lixivaptan reduces excess fluid build-up in patients with congestive heart failure

Researchers believe they may have identified a new agent to reduce the excess fluid build-up in patients with congestive heart failure, one that avoids the relative sodium-depleting effects of diuretics, now the most commonly used drugs for this purpose.

3 May 2006