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People with variable blood pressure at stroke risk

LONDON (AP) - People whose blood pressure occasionally spikes could be at an even greater risk of stroke than those whose blood pressure is usually high.

That's the indication from studies being published today in medical journals (Lancet and Lancet Neurology.)

One group of researchers tracked thousands of British patients who'd had a heart attack. They found that those with consistently variable blood pressure rates were at least six times more likely to have a stroke than those with regularly high blood pressure.

Other studies found that the blood pressure drugs that reduced occasional spikes in blood pressure rates are the most effective at preventing strokes.

The researchers say current guidelines for treating people with high blood pressure may need to be revised.

(Copyright 2010 by The Associated Press. All Rights Reserved.)


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