Why the study?
How does indirect cuff blood pressure measurement compare to intra-arterial measurement in healthy elderly subjects, and does arterial stiffness affect the difference?
Population
55 healthy volunteers aged 59-80 years (mean 68.6 +/- 5.2 s.d.)
Comparison
Indirect cuff blood pressure measurement vs Intra-arterial (radial) blood pressure measurement
Design
Cross-sectional
Authors
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Cuff BP discrepancies in elderly patients warrant measurement caution; leaves open whether stiffness-adjusted corrections improve accuracy in prospective validation.
How does indirect cuff blood pressure measurement compare to intra-arterial measurement in healthy elderly subjects, and does arterial stiffness affect the difference?
Indirect cuff blood pressure measurement in the elderly may underestimate systolic and overestimate diastolic pressures compared to intra-arterial measurement, with discrepancies correlating with arterial stiffness.
Finnegan et al. (1985) studied this question.