Statins May Raise Stroke Risk in Some

People who have had a type of stroke caused by bleeding in the brain should avoid taking cholesterol-lowering drugs known as statins, U.S. researchers said
. The drugs increase the risk of a second stroke in these patients.

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It was especially true of people who had strokes in one of their brain’s four lobes, which have a greater chance of recurrence than strokes that occur deep in the brain.

People who have a stroke in one of their lobes have a 22 percent risk of a second stroke when they take statins, compared with a 14 percent risk among those not taking a statin.

According to Reuters:
“The researchers said it is not clear how statins increase the bleeding risk in these patients. It may be having low cholesterol increases the risk of bleeding in the brain, or it may be that statins affect clotting factors in the blood that increase the risk of a brain hemorrhage in these patients.”


Resources:

Reuters January 10, 2011
Archives of Neurology January 10, 2011

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