Abstract
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.
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This study is supported by Grants-in-aid from Panasonic Co.
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TM have nothing to disclose. SI reports receiving grant from Japan Society for the Promotion of Science, outside the submitted work. MK reports grants from Japanese government, grants from Japan Heart Foundation, grants from Japan Agency for Medical Research and Development, personal fees from Daiichi-Sankyo, personal fees from Pfizer, grants and personal fees from Ono, personal fees from Bayer, grants and personal fees from Novartis, grants and personal fees from Boehringer, grants and personal fees from Tanabe-Mitsubishi, personal fees from Japan Medical Data Center, grants and personal fees from Takeda, grants and personal fees from AstraZeneca, outside the submitted work.
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Ito, S., Morimoto, T. & Kitakaze, M. Daily self-monitoring of blood pressure decreases systolic and diastolic blood pressure in hypertensive participants. Heart Vessels 37, 1265–1270 (2022). https://doi.org/10.1007/s00380-021-02013-8
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DOI: https://doi.org/10.1007/s00380-021-02013-8