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Obstructive sleep apnea increases a person's risk of having a heart attack

The nighttime breathing disorder known as obstructive sleep apnea increases a person's risk of having a heart attack or dying by 30% over a period of four to five years, according to a study presented at the American Thoracic Society 2007 International Conference, on Monday, May 21.

22 May 2007

First beating heart transplant procedure in the US

Protected by its own nutrients and blood supply, a beating heart supported by an investigational organ preservation device was successfully transplanted into a 47-year-old man with congestive heart failure and pulmonary hypertension on Sunday, April 8.

18 May 2007

Thornton Adjustable Positioner stops snoring, reduces sleep apnea

Wearing a mouth appliance designed to move the lower jaw forward can be an effective way to reduce snoring and improve sleep apnea symptoms, according to a May 2007 study in Otolaryngology – Head and Neck Surgery.

18 May 2007

Celecoxib offers promise for premature babies

Scientists have found evidence that the cox-2 inhibitor celecoxib, a common pain reliever used to treat arthritis, may offer a new way to reduce the risk of the most common cause of brain damage in babies born prematurely.

18 May 2007

Implanting dopamine generators in brain cells improves Parkinson's in monkeys

Implanting dopamine generators (dopaminergics) in brain cells has produced improvement in the symptoms in Parkinson's, according to the results of tests carried out with monkeys by the Navarra University Hospital, led by Dr Mar'a Rosario Luquin Piudo, neurologist at the Hospital and at the other Navarra University-based medical centre, CIMA (the Research Centre for Applied Medicine).

17 May 2007

Potential new treatments for hemorrhagic shock

Blood loss due to severe internal injuries requires rapid action to prevent mortality.

17 May 2007

Cancer cells can be killed by a new cancer drug that is triggered by a laser light

Their paper describes how these new photosensitizer drugs can only be activated by light once they have been localized in the target tumour cells. For the first time Zheng and Wilson have demonstrated that tumour cells can be selectively attacked using a PDT.

17 May 2007

Model of proline dehydrogenase created

Researchers at the University of Missouri-Columbia recently created a model of proline dehydrogenase, an important cancer-preventing enzyme in the human body, and analyzed how it works.

17 May 2007

Just 75 minutes of exercise per week helps improve fitness levels for postmenopausal women who are overweight

New research indicates that even small amounts of physical activity, approximately 75 minutes a week, can help improve the fitness levels for postmenopausal women who are sedentary and overweight or obese, according to a study in the May 16 issue of JAMA.

16 May 2007

Natural antibodies and tissue injury

Lack of blood flow to the intestines during surgery, to the heart during a heart attack or to the brain during a stroke can cause damage to the organ involved.

15 May 2007

Just 10 minutes of exercise each day helps inactive overweight women

Researchers in the U.S. say that just 10 minutes of exercise a day can help even the most inactive overweight women.

15 May 2007

Longterm anxiety 'ups' the risk for heart attacks

According to researchers in the United States, for patients with coronary artery disease, anxiety increases their risk of heart attacks and death.

15 May 2007

Is the 90-minute deadline for inflation of angioplasty balloons really critical?

In the treatment of heart attack, the 90-minute goal for inflation of an angioplasty balloon in a blocked coronary artery to restore normal blood flow is so revered it's been codified in clinical guidelines, accreditation standards, and pay-for-performance programs.

15 May 2007

Coenzyme Q10 does not improve Parkinson's disease symptoms

Small doses of the antioxidant coenzyme Q10 appear to increase blood levels of this naturally occurring compound in patients with Parkinson's disease, but does not improve Parkinson's disease symptoms, according to an article posted online today that will appear in the July 2007 print issue of Archives of Neurology, one of the JAMA/Archives journals.

15 May 2007

Simple procedural change may reduce cardiac arrests outside pediatric ICUs

A simple procedural change may significantly reduce cardiopulmonary arrests outside a pediatric hospital's intensive care unit, according to a study reported at the American Heart Association's 8th Scientific Forum on Quality of Care and Outcomes Research in Cardiovascular Disease and Stroke.

11 May 2007

Researchers discover genetic 'shut down' trigger in healthy immune cells

A fundamental genetic mechanism that shuts down an important gene in healthy immune system cells has been discovered that could one day lead to new therapies against infections, leukemia and other cancers.

10 May 2007

Ischemic-targeted approach to angioplasty among asymptomatic survivors of heart attack

When compared with intensive drug therapy, percutaneous coronary intervention (PCI, angioplasty) was more beneficial in reducing the long-term risk of major cardiac events among heart attack survivors with "silent ischemia", according to a study in the May 9 issue of Journal of the American Medical Association.

9 May 2007

Heart-assist devices may help some end-stage heart failure patients avoid transplant

Implanted pumps improved heart function enough in a small percentage of patients awaiting a heart transplant that they were able to leave the hospital without a pump and without a new heart, according to a study in Circulation: Journal of the American Heart Association.

8 May 2007

Loss of a single gene in kidney cancer cells causes them to stop making mitochondria

Studying a rare inherited syndrome, researchers at Johns Hopkins have found that cancer cells can reprogram themselves to turn down their own energy-making machinery and use less oxygen, and that these changes might help cancer cells survive and spread.

8 May 2007

Custom stents hold microcapsules to treat diabetes

Johns Hopkins undergraduates have invented a device to improve cell therapy for diabetes patients by anchoring transplanted insulin-producing cells inside a major blood vessel.

7 May 2007