“Randomized Controlled Trial of Home Telemonitoring of Blood Pressure with an Adapted Tensiometer with SMS Capability“
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Date
2023-02-12Author(s)
Calderón-Anyosa, Renzo
Pierre Tincopa, Jean
Raza, Mabel
Cárcamo, Cesar P.
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“: Despite being a public health problem, less than a third of hypertensive patients manage
to control blood pressure (BP). In this paper, we conducted a two-arm randomized controlled trial
to investigate the efficacy of an SMS-based home BP telemonitoring system compared to usual care
in patients with uncontrolled hypertension from a primary care center. This study was conducted
between April and August 2018. Participants in the intervention arm used a custom-designed
telemonitoring device for two weeks and were followed up for two additional weeks; controls were
followed for 4 weeks. The main objective of this study is to evaluate the impact on blood pressure
of a telemonitoring system using a blood pressure monitor adapted to send data via SMS to health
providers in primary care centers for 4 weeks. In this trial, 38 patients were included in the analysis
(18 in each arm), 68% were women, and the mean age was 68.1 [SD: 10.8 years], with no differences
between arms. Among the results we found was that There was no significant difference in the
change in systolic BP values between the control and intervention arm (−7.2 [14.9] mmHg vs. −16.3
[16.7] mmHg; p = 0.09). However, we found a significant difference in the change of diastolic BP
(−1.2 [6.4] mmHg vs. −7.2 [9.8] mmHg; for the control and intervention arms, respectively p = 0.03).
With all this, we conclude that an SMS-based home BP telemonitoring system is effective in reducing
diastolic BP by working in conjunction with primary care centers. Our findings represent one of the
first interventions of this type in our environment, being an important alternative for the control of
high blood pressure.“
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