Optimizing Home Blood Pressure Monitoring Protocols in Older Adults: The Atherosclerosis Risk in Communities (ARIC) Study

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ID: 320708
2026
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Abstract
BACKGROUND: Current clinical guidelines recommend home blood pressure monitoring (HBPM) to confirm hypertension diagnosis, guide therapy, and support long-term control. However, the optimal number of HBPM measurements needed for valid assessment is not established. METHODS: At ARIC Visit 10 (2023), participants completed an eight-day HBPM protocol with morning and evening measurements and three readings per session. We evaluated the validity between the eight-day mean (reference) and streamlined protocols (fewer days, less than three readings per session, or only morning or evening measurements). In secondary analyses, we assessed the validity of these HBPM protocols relative to ambulatory BP. RESULTS: Among 812 participants (median age 83 years, 24% Black adults, 40% male, 84% using anti-hypertensive medications), median BP varied by less than 3 mmHg across the eight-day protocol. The greatest improvement in HBPM validity occurred when extending the averaging window from one to two days. By three days, concordance correlation coefficients exceeded 0.95, and ≥97% of participants were within 10 mmHg of the reference for both systolic and diastolic BP. Averaging ≥2 readings per session, including both morning and evening measurements, yielded greater validity than a single reading or timepoint. CONCLUSIONS: In this community-based cohort of older adults, HBPM provided stable BP estimates within three days (can be non-consecutive within an 8-day period) using morning and evening sessions with ≥2 readings each. While further studies are required to validate generalizability beyond this engaged cohort, these findings support shorter, less burdensome HBPM protocols in clinical guidelines for hypertension management in older adults.
Reference Key
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Authors Frances Wang, Hannah Col, Fredrick Larbi Kwapong, Dhrumil Patil, Md Marufuzzaman Khan, Long Ngo, Jennifer Cluett, Elizabeth Selvin, Lynne Wagenknecht, Timothy M Hughes, B Gwen Windham, Thomas Mosley, Pamela L. Lutsey, Kimberly Ring, Arielle Valint, M Zhang, Stephen P Juraschek
Journal American Journal of Hypertension
Year 2026
DOI
10.1093/ajh/hpag080
URL
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