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Increasing 'Good' Cholesterol Cuts Heart Attack, Stroke Risk in Diabetics

by VR Sreeraman on  October 8, 2011 at 5:27 PM Cholesterol News   - G J E 4
Increasing levels of high-density lipoproteins, better known as HDL or "good" cholesterol, reduced the risk for heart attack and stroke among patients with diabetes, according to a new study.
 Increasing 'Good' Cholesterol Cuts Heart Attack, Stroke Risk in Diabetics
Increasing 'Good' Cholesterol Cuts Heart Attack, Stroke Risk in Diabetics
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Lead author Gregory Nichols, PhD, senior investigator with the Kaiser Permanente Centre for Health Research in Portland, Ore said that heart attack and stroke risk increase when 'good' cholesterol levels go down.

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Researchers studied patients with diabetes because they are more prone to heart disease with a lifetime risk as high as 87 percent.

While there is considerable evidence that reducing the amount of low-density lipoprotein, also known as LDL or "bad" cholesterol, can reduce the risk of heart disease, the relationship between HDL cholesterol and heart disease is less clear, Nichols said.

"Our study adds to the growing body of evidence that raising HDL levels may be an important strategy for reducing heart attack risk," said study lead author Gregory Nichols, PhD, senior investigator with the Kaiser Permanente Centre for Health Research in Portland, Ore.

The study included 30,067 patients who entered Kaiser Permanente diabetes registries in Oregon, Washington and Georgia between 2001 and 2006. These patients had at least two HDL cholesterol measurements between 6 and 24 months apart.

After obtaining the cholesterol measurement, researchers followed the patients for up to 8 years to see if they were hospitalized for a heart attack or stroke.

Most patients (61 percent) had no significant change in HDL levels; in 22 percent of patients, HDL levels increased by at least 6.5 mg/dl (milligrams per deciliter of blood); in 17 percent of patients, HDL levels decreased by at least that same amount.

The study found that patients whose HDL levels increased had 8 percent fewer heart attacks and strokes than patients whose HDL levels remained the same, while patients whose HDL levels decreased had 11 percent more heart attacks and strokes.

The study was recently published online in The American Journal of Cardiology.

Source: ANI
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