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Off-label and untested use of drug-coated stents is common in U.S. practice

The off-label and untested use of drug-coated stents in the treatment of coronary artery blockage is common in U.S. practice, and ischemic complication rates are higher among patients receiving drug-coated stents for off-label indications, according to two studies in the May 9 issue of Journal of the American Medical Association.

9 May 2007

Impact of the nurse shortage on hospital patient care

Physicians, nurses and hospital administrators voice their concerns about the nursing shortage in a new study by Peter Buerhaus, Ph.D., professor of Nursing at Vanderbilt University and director of the Center for Interdisciplinary Workforce Studies at the Medical Center.

9 May 2007

It is highly unlikely that older women generate new eggs

Tilly reported the discovery of stem cells capable of migrating from bone marrow to mouse ovaries and generating new eggs there. The research fueled hopes that a new treatment - such as bone marrow transplantation - might one day help older women regain their fertility.

9 May 2007

Adverse outcomes associated with unapproved uses of drug-coated stents

Research led by a team at the Methodist DeBakey Heart Center sheds light on what happens to high-risk patients who receive drug-coated stents off-label to open clogged arteries, as reported in today's Journal of the American Medical Association (JAMA) .

9 May 2007

Research sheds light on memory by erasing it

For years, scientists have studied the molecular basis of memory storage, trying to find the molecules that store memory, just as DNA stores genetic memory.

9 May 2007

Attention training is worth examining for disorders with attentional components, like ADHD

Everyday experience and psychology research both indicate that paying close attention to one thing can keep you from noticing something else.

9 May 2007

Medicis Pharmaceutical to resolve false claims allegations

Medicis Pharmaceutical Corporation of Scottsdale, Ariz., will pay the United States $9.8 million to settle allegations that the company violated the False Claims Act with respect to claims submitted to Medicaid, the Justice Department announced.

9 May 2007

Promoting health in teens and kids

Early results of a program aimed at combating childhood obesity show promise and the program is being well received by the children and their families.

9 May 2007

Hepatitis C infection is associated with an increased risk of non-Hodgkin lymphoma

Hepatitis C infection is associated with an increased risk of non-Hodgkin lymphoma (malignancy involving lymphatic tissue) of 20 percent to 30 percent, and a three-fold increase in the risk of another type of lymphoma, according to a study in the May 9 issue of JAMA.

9 May 2007

Global heartbeat control suggests therapy for beating heart failure

Keeping a healthy heart beating requires the production of a constant supply of energy, a feat depending on the coordination of several genetic programs.

9 May 2007

Genetics of bipolar disorder

The likelihood of developing bipolar disorder depends in part on the combined, small effects of variations in many different genes in the brain, none of which is powerful enough to cause the disease by itself, a new study shows.

9 May 2007

Gene mutation linked to cognition is found only in humans

The human and chimpanzee genomes vary by just 1.2 percent, yet there is a considerable difference in the mental and linguistic capabilities between the two species.

9 May 2007

Fluorescent nanoparticles open up new possibilities for cellular imaging

Scientists from the University of Twente, the Netherlands, have successfully exploited the optical properties of fluorescent nanoparticles to broaden the scope of single-cell microscopy.

9 May 2007

Low-dose MDCT of the abdomen and pelvis reduces hospital stay in patients with acute nonspecific abdominal pain

Extremely low-dose MDCT of the abdomen and pelvis is useful in providing needed diagnostic information and reducing hospital stay in patients with acute nonspecific abdominal pain, according to a new study by researchers from the Emory University School of Medicine in Atlanta, GA, and Massachusetts General Hospital in Boston, MA.

9 May 2007

Plant chemical harmine fights diabetes in mice

After screening hundreds of compounds for their effects on fat development, researchers have discovered that an ingredient found in some plants fights diabetes in mice without some of the side effects attributed to other antidiabetes drugs.

9 May 2007

Research reveals that a greater volume of grey encephalic matter exists in the brain areas of the right parahippocampus

A study undertaken by researchers of the Universitat Jaume I of Castellon (UJI), the Universitat Autonoma of Barcelona (UAB) and the company Eresa reveals the existence of a different anatomy in small areas of the brain which could help explain why one same stimulus triggers anxiety in some people and not in others.

9 May 2007