Summary
A medical scan able to detect calcium deposits in heart arteries could help predict the risk of heart disease in middle-aged men, since research has shown that otherwise-healthy men had an 11x higher risk of developing heart disease when they had calcification of the arteries.
Original source:
http://www.foxnews.com/story/0,2933,168621,00.html
Details
- New research shows that men with coronary artery calcificationhad an 11-times greater risk of developing heart disease in the next three years, even though the men didn't have a lot of the other heart disease risk factors, such as high blood pressure or cholesterol.
- The study results provide more evidence of a link between calcium deposits in the heart arteries and heart disease.
- But researchers say it's too soon to recommend routine calcium scans to screen for heart disease in people without other risk factors.
- "Although it appeared that screening would be relatively cost-effective in the analysis that we did, I think at this time you have to stop short of recommending screening in all asymptomatic individuals, because it is not shown that such a strategy could actually prevent adverse outcomes," says researcher Allen J. Taylor, MD, of the Walter Reed Army Medical Center in Washington, D.C., in a news release.
- In the study, researchers followed about 2,000 U.S. Army personnel aged 40 to 50 who were undergoing regular physical examinations and had no evidence of heart disease.
- During the follow-up period, there were only nine cases among men of heart disease events, such as heart attack, chest pain, or death due to heart disease.
- But seven of these heart events (heart attacks, angina, or heart disease death) occurred among the 364 men who had evidence of calcium deposits; two heart events occurred in men without calcium deposits (1,263 men).
- The researchers show that the presence of any calcium deposit on coronary arteries was associated with an almost 12-fold risk of coronary heart disease.
- Taylorsays that in order for calcium scans to be useful in screening for heart disease, a positive result would have to be followed up with lifestyle changes and medical treatments designed to prevent heart attacks and other heart-related problems.
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