Daily self-monitoring of blood pressure decreases systolic and diastolic blood pressure in hypertensive participants.

Hypertension is a major risk factor for cardiovascular diseases, and behavior modification has been shown to improve blood pressure (BP). We investigated whether daily self-monitoring of systemic BP and other factors related to cardiovascular events decreased BP in hypertensive participants. In this prospective, randomized, open, blinded-endpoint trial, we assigned 161 participants with hypertension to monitor their BP daily (BP-measurement group) or, in addition to BP, monitor their body fat, sleeping time, and daily step count (multiple-measurement group) or no self-monitoring (control group) for 2 months. The primary endpoint was the absolute change in systolic BP from baseline to 2 months after assignment. There were no differences in the baseline age and gender ratios among the three groups. After 2 months, systolic BP in the morning was unchanged in the control group, at a median of 149 mmHg [interquartile range (IQR) 136-164] from 150 mmHg (IQR 138-164), and was significantly decreased to 139 mmHg (IQR 125-148) from 142 mmHg (IQR 131-157) in the BP-measurement group. BP did not further decrease in the multiple-measurement group, 134 mmHg (IQR 121-146) from 141 mmHg (IQR 131-157). Daily self-monitoring of BP decreased the BP of participants with hypertension, but additional daily self-monitoring of body fat, sleeping time, and daily step count did not further decrease BP. This behavior modification merits use as a nonpharmacological hypertension treatment. © 2021. Springer Japan KK, part of Springer Nature.

Citation

Shin Ito, Takashi Morimoto, Masafumi Kitakaze. Daily self-monitoring of blood pressure decreases systolic and diastolic blood pressure in hypertensive participants. Heart and vessels. 2022 Jul;37(7):1265-1270

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PMID: 35091786

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