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J Am Soc Hypertens. 2015 May;9(5):375-81. doi: 10.1016/j.jash.2015.01.008. Epub 2015 Jan 21.

Outpatient blood pressure monitoring using bi-directional text messaging.

Author information

1
Department of Orthopedics, University of Iowa, Iowa City, IA, USA.
2
Department of Pharmacy Practice and Science, University of Iowa, Iowa City, IA, USA. Electronic address: linnea-polgreen@uiowa.edu.
3
Department of Pharmacy Practice and Science, University of Iowa, Iowa City, IA, USA.
4
Department of Biostatistics, University of Iowa, Iowa City, IA, USA.
5
Department of Internal Medicine, University of Iowa, Coralville, IA, USA.
6
Department of Computer Science, University of Iowa, Iowa City, IA, USA.

Abstract

To diagnose hypertension, multiple blood pressure (BP) measurements are recommended. We randomized patients into three groups: EMR-only (patients recorded BP measurements in an electronic medical record [EMR] web portal), EMR + reminders (patients were sent text message reminders to record their BP measurements in the EMR), and bi-directional text messaging (patients were sent a text message asking them to respond with their current BP). Subjects were asked to complete 14 measurements. Automated messages were sent to each patient in the bi-directional text messaging and EMR + reminder groups twice daily. Among 121 patients, those in the bi-directional text messaging group reported the full 14 measurements more often than both the EMR-only group (P < .001) and the EMR + reminders group (P = .038). Also, the EMR + reminders group outperformed the EMR-only group (P < .001). Bi-directional automated text messaging is an effective way to gather patient BP data. Text-message-based reminders alone are an effective way to encourage patients to record BP measurements.

KEYWORDS:

Mobile health; telehealth; text message

PMID:
25771023
DOI:
10.1016/j.jash.2015.01.008
[Indexed for MEDLINE]
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