แนวทางล่าสุดเพื่อการป้องกันโรคหัวใจล้มเหลวและเป็นลมหมดสติ (ภาษาอังกฤษ)

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New Guidelines for Preventing Heart Attacks and Strokes

The American Heart Association and American College of Cardiology last week issued the first new guidelines in a decade dealing with the use of cholesterol-lowering drugs in the prevention of heart attacks and strokes.

The guidelines differ substantially from the previous recommendations, which focused mainly on the risk factor of high cholesterol. Those well-known guidelines hold that total cholesterol should be under 200, and LDL, or "bad cholesterol," under 100.

The new formula for estimating a patient's risk is much more holistic. It includes gender, age, race and other factors such as smoking, blood pressure and diabetes, in addition to cholesterol.

It’s the first time these guidelines are also meant to prevent strokes, so the threshold for using medications such as statins has been dramatically lowered. While fewer people may be prescribed statins just to address a cholesterol number, vastly more people overall would meet the new threshold to be considered for a statin.

Currently, about 15 percent of adults are recommended to take a statin. The new guidelines would ratchet that up to about one-third of U.S. adults -- 44 percent of men and 22 percent of women, according to an AP story on the new guidelines.

According to the AP, the new, broader-risk factor guidelines hold that statins would most benefit:

- People who already have heart disease.
- People with LDL of 190 or higher, usually because of genetic risk.
- People ages 40 to 75 with Type 2 diabetes.
- People ages 40 to 75 who have an estimated 10-year risk of heart disease of 7.5 percent or higher, based on the new formula.

The guidelines also suggest: adults 40 to 75 should get a heart attack and stroke risk estimate every 4 to 6 years; everyone should get at least 40 minutes of moderate to vigorous exercise three or four times a week, among other suggestions.

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