Interindividual Variability in Self-Monitoring of Blood Pressure Using Consumer-Purchased Wireless Devices.
Yaguang Zheng, Yanfu Zhang, Heng Huang and 7 others
PMID 37350699WHAT IT FOUND
Most adults with wireless blood pressure monitors stopped using them within a year, but a small group used them daily.
These daily users had lower blood pressure readings and saw greater reductions over time than those who used the devices sporadically or weekly.
Key findings
01Only 9.1% of participants sustained daily use of their blood pressure device over one year, while 79.2% had no measurements at 12 months.
02Participants who used their devices daily had lower systolic and diastolic blood pressure levels over the year compared to those who used them weekly or sporadically.
03Sporadic users showed less reduction in systolic and diastolic blood pressure over time compared to persistent daily or weekly users.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The sample was predominantly White, male, well-educated, and self-selected, which limits generalizability to other populations. The study observed associations but could not determine causality; it is unclear if frequent monitoring caused lower blood pressure or if patients with lower blood pressure were more motivated to monitor. Participants used personal devices without standardized instructions, so results reflect naturalistic behavior rather than guided clinical protocols.
Declared interests
None declared.
The easy way to misread this
Do not assume that prescribing a wireless blood pressure monitor will automatically lead to sustained daily use or better blood pressure control. Most patients in this study used their devices sporadically, and those who did not monitor consistently saw less improvement in their readings.