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Extreme fluctuations in blood pressure enhances the risk of mortality

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eMediNexus    05 January 2018

A study presented at the American Heart Association Scientific Sessions suggested that extreme fluctuations in systolic blood pressure (SBP) between doctor visits for a prolonged duration could be deadly. In this study, the investigators assessed SBP records of 10,903 patients who had ≥ 7 SBP measurements between 2007-2011 for visit-to-visit SBP variability (VVV). After the 7th measurement, follow up was done for at least 5 years for all-cause mortality. The results demonstrated that for every 10% increase in the coefficient of variation (CoV), ie, VVV normalized to the mean SBP, the risk of all-cause mortality as a continuous variable increased by 18%.

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