https://www.eurekalert.org/pub_releases/2020-11/aha-abp102820.php
News Release 2-Nov-2020
American Heart Association
People who experience high blood pressure while sleeping are more likely
to experience future cardiovascular disease especially heart failure,
even when their daytime blood pressure is within normal ranges,
according to new research published today in the American Heart
Association's flagship journal Circulation.
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The analysis indicates:
Increased levels during sleep--a systolic blood pressure measuring 20 mm Hg above a person's daytime systolic reading--was significantly associated with the risk of atherosclerotic cardiovascular disease and heart failure.
The participants who had an abnormal circadian pattern, which is when sleep blood pressure exceeds daytime readings, were at particular risk of developing heart failure and had a greater risk of experiencing any cardiovascular disease events.
Excessive reduction of blood pressure during sleep may also be detrimental. Patients with well-controlled hypertension showed a significantly increased risk of stroke when nighttime systolic pressure took extreme dips.
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