Why the study?
Home blood pressure monitoring is important for blood pressure management, but the performance of home devices needed assessment among Alaska Native and American Indian people.
Do arm and wrist home blood pressure monitoring devices accurately measure blood pressure compared to an aneroid sphygmomanometer in Alaska Native and American Indian people?
Do arm and wrist home blood pressure monitoring devices accurately measure blood pressure compared to an aneroid sphygmomanometer in Alaska Native and American Indian people?
The arm home blood pressure monitoring device is more accurate than the wrist cuff among Alaska Native and American Indian people with hypertension, and calibration further improves its performance.
Wrist cuffs may overestimate BP in this population; leaves open validation of arm devices before routine clinical use.
Objectives: Home blood pressure monitoring (HBPM) is an important component of blood pressure (BP) management. We assessed performance of two HBPM devices among Alaska Native and American Indian people (ANAIs). Methods: We measured BP using Omron BP786 arm cuff, Omron BP654 wrist cuff, and Baum aneroid sphygmomanometer in 100 ANAIs. Performance was assessed with intraclass correlation, paired t-tests, and calibration models. Results: Compared to sphygmomanometer, average BP was higher for wrist cuff (systolic = 4.8 mmHg and diastolic = 3.6 mmHg) and varied for arm cuff (systolic = −1.5 mmHg and diastolic = 2.5 mmHg). Calibration increased performance from grade B to A for arm cuff and from D to B for wrist cuff. Calibration increased false negatives and decreased false positives. Discussion: The arm HBPM device is more accurate than the wrist cuff among ANAIs with hypertension. Most patients are willing to use the arm cuff when accuracy is discussed.
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Schaefer et al. (2021) studied this question.
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