Key result
Automated and manual blood pressure measurements showed no significant difference for systolic blood pressure (mean difference -0.42 mmHg), indicating they can be used interchangeably in community screening.
Why the study?
Does automated blood pressure measurement agree with manual auscultatory measurement in a community-based screening setting?
Cross-Sectional (n=81)
Randomized order of measurement
No
Does automated blood pressure measurement agree with manual auscultatory measurement in a community-based screening setting?
Mean Difference: -0.42 (95% CI -2.19–1.34)
Automated and manual blood pressure measurements can be used interchangeably to accurately assess systolic blood pressure in community-based screening programs.
Supports interchangeable automated BP use in screening; leaves open need for prospective validation before practice change.
Background: Hypertension screening programs have been effective in raising awareness and identifying people who are otherwise unfamiliar with their disease. We aimed to develop a resource-minimal, evidence-based protocol for a novel medical student-organized hypertension-screening program capable of community implementation. Methods: Eighty-one medical students had their blood pressure measured once using an automated machine and once using the manual auscultatory method. Bland-Altman plots compared agreement between measurement techniques. Results: No significant difference between manual and automated techniques was noted in the measurement of systolic blood pressure, but was noted for diastolic blood pressure. Conclusions: In the context of a community-based screening program, automated and manual measurements may be used interchangeably to obtain an accurate measure of systolic blood pressure. A medical student-organized community-screening program is an effective way to screen large numbers of people in a short amount of time.
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Varshney et al. (2013) conducted a cross-sectional in Healthy volunteers (n=81). Automated blood pressure measurement vs. Manual auscultatory blood pressure measurement was evaluated on Mean difference in systolic blood pressure between manual and automated measurements (Mean difference -0.42 mmHg, 95% CI -2.19 to 1.34). Automated and manual blood pressure measurements showed no significant difference for systolic blood pressure (mean difference -0.42 mmHg), indicating they can be used interchangeably in community screening.
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