Meta-Analysis: Any Blood Pressure Reading Above Normal May Increase Risk of Stroke

The analysis found that people with pre-high blood pressure were 66 percent more likely to develop a stroke than people who had normal blood pressure.

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Anyone with blood pressure that’s higher than the optimal 120/80 mmHg may be more likely to have a stroke, according to a new meta-analysis published in the online issue of Neurology®, the medical journal of the American Academy of Neurology.

The meta-analysis looked at all of the available research on the risk of developing stroke in people with “prehypertension,” or blood pressure higher than optimal but lower than the threshold to be diagnosed with high blood pressure, which is 140/90 mmHg. A total of 19 prospective cohort studies with more than 760,000 participants were included in the analysis, and participants were followed for time periods ranging from four to 36 years. From 25 to 54 percent of study participants had pre-high blood pressure.

The analysis found that people with pre-high blood pressure were 66 percent more likely to develop a stroke than people who had normal blood pressure. The…

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