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We are continuing to learn about the limitations of office-based measurements of blood pressure (BP). Ambulatory and home-based monitoring are better indicators of cardiovascular risk, and nighttime BP monitoring is receiving new attention, especially regarding changes in systolic BP while asleep versus awake. Investigators in Japan conducted a prospective ambulatory BP-monitoring study with over 6000 participants who had at least one cardiovascular risk factor (mean age, 69; 48% men); three fourths of the participants were taking antihypertensive medication (UMIN000020377).
Compared with participants whose BP declined during sleep (so-called dippers), those whose BP rose (“risers”) had higher risks at a mean follow-up of 4.5 years for heart…