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Uncontrolled blood pressure rises in US: study

A recent study representative of the U.S. population found that uncontrolled blood pressure increased by 10% in 2017-18 compared to several years earlier.

Researchers from the University of Alabama published their findings Wednesday in the JAMA network.

Hypertension or high blood pressure is a common but dangerous condition, according to the Centers for Disease Control and Prevention (CDC). It increases the risk of heart disease and stroke, and the CDC says people with hypertension “may have an increased risk of serious COVID-19 disease,” although the study authors said it is uncertain.

The researchers used data from the U.S. National Health and Nutrition Examination Survey to assess any changes in blood pressure control among U.S. adults with hypertension from 1

999 to 2018.

A hypertensive condition was defined as systolic blood pressure (upper number) above 140 mm Hg and diastolic number (bottom number) higher than 90 mm Hg. According to Healthline, systolic pressure refers to “the amount of pressure in your arteries during the contraction of your heart muscle,” while diastolic pressure, the bottom number, “refers to your blood pressure when your heart muscle is between beats.”

Of more than 18,000 adults with hypertension, the proportion with blood pressure regulation increased from almost 32% in 1999-2000 to almost 49% by 2007-08. Researchers said that blood pressure control then stabilized to 2013-14 at almost 54% before falling to less than 44% by 2017-18.

When researchers applied stricter guidelines for blood pressure released in 2017 from the American College of Cardiology and the American Heart Association (which listed hypertension as a reading of 130/80 mmHg or higher), they found that only 19% of American adults had their blood pressure under control.

Federal recommendations suggest annual blood pressure tests for adults over 40 and for younger adults at risk.

In the current study, a significant percentage of adults aged 18 to 44 years with hypertension were not aware that they had hypertension. Efforts are needed to ensure that BP screening takes place for younger adults, ”wrote the authors of the study, noting that further efforts are needed to initiate and maintain antihypertensive medication among younger adults.

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