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High-tech CT scans: not a bad choice to test for clogged arteries
11-05-2007 · EurekAlert!A study by an international team of cardiac imaging specialists, led by researchers at Johns Hopkins, concludes that sophisticated computed tomography scans of the heart and its surrounding arteries are almost as reliable and accurate as more invasive procedures to check for blockages.
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Keywords: high-tech, scans, bad, choice, test, clogged, arteries, high, tech, scan, artery
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02-04-2008 · EurekAlert!
A space-based technology may provide an inexpensive and more reliable way to gauge the walking capacity in many patients with peripheral artery disease, whose clogged leg arteries cause them severe pain when they walk, according to a report in Circulation: Journal of the American Heart Association.
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- Multislice CT speeds the diagnosis of chest pain in the emergency room
02-19-2007 · EurekAlert!
According to research reported in the February 27, 2007, issue of the Journal of the American College of Cardiology (JACC), a computed tomography (CT) scan of the heart can quickly detect whether there are fatty blockages or pockets of rock-hard calcium in the arteries of the heart -- clues that coronary artery disease may be the cause of the chest pain.
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- Air pollution link to clogged arteries
07-25-2007 · EurekAlert!
Should we be watching our exposure to airborne pollution as well as our cholesterol levels? Research now indicates that air pollution has a role to play in atherosclerosis (artery hardening), which can contribute to heart attacks or strokes. Findings published in the open access journal, Genome Biology, show how the fats that clog arteries work together with air pollution particles, triggering the genes behind inflammation.
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- UCLA study links air pollution to clogged arteries
07-25-2007 · EurekAlert!
Got high cholesterol? Better stay away from air pollution. So says a new study linking diesel exhaust to atherosclerosis, or hardening of the arteries, which significantly increases one’s risk for heart attack and stroke. The research is the first to explain how fine particles in air pollution conspire with artery-clogging fats to switch on the genes that cause blood vessel inflammation and lead to cardiovascular disease.
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- Nuclear medicine approach can be first choice for excluding pulmonary embolism in young women
09-07-2007 · EurekAlert!
Young women at risk of having a pulmonary embolism -- a potential life-threatening blockage in a lung artery -- should first undergo a ventilation/perfusion lung scan rather than a CT angiogram, conclude authors in a paper published in the September Journal of Nuclear Medicine.
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- Symptoms of depression linked to early stages of artery disease
02-05-2007 · EurekAlert!
Depressive symptoms -- especially physical signs, such as fatigue and loss of appetite -- may be associated with thickening arteries, which may reflect an early sign of coronary artery disease, according to a report in the February issue of Archives of General Psychiatry, one of the JAMA/Archives journals.
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- Blending In: Dissolvable stents promise to protect arteries
06-09-2007 · Science News Online
A biodegradable magnesium stent props open clogged blood vessels and then dissolves, circumventing the problems linked to permanent metal stents.
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- Columbia researchers: Growth of CT scan use may lead to significant public health problem
11-28-2007 · EurekAlert!
In an article in The New England Journal of Medicine, David J. Brenner, Ph.D., and Eric J. Hall, Ph.D., from the Center for Radiological Research at Columbia University Medical Center, argue that the potential carcinogenic effects from using CT scans may be underestimated or overlooked. This is of particular concern, because perhaps one-third of all CT scans performed in the United States may not be medically necessary, the radiation researchers say.
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- Are one-third of costly implanted heart devices unnecessary? New study suggests yes
01-03-2007 · EurekAlert!
This year, tens of thousands of heart patients will have high-tech devices implanted in their chests. Called ICDs or implantable cardioverter defibrillators, the expensive devices are designed to shock damaged hearts back into rhythm and save patients from sudden cardiac death. But a new study finds that while many of these patients will benefit from their ICDs, a large number won't -- and a simple heart-rhythm test can tell who's who.
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- MIT links gene to cholesterol
10-11-2007 · EurekAlert!
MIT researchers have discovered a link between a gene believed to promote long lifespan and a pathway that flushes cholesterol from the body. The finding could help researchers create drugs that lower the risk of diseases associated with high cholesterol, including atherosclerosis (clogged arteries) and Alzheimer's disease.
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