October 1, 2003Journal of Applied Physiology
Deriving heart period variability from blood pressure waveforms
Why the study?
Does deriving heart period variability from blood pressure waveforms provide reliable indexes compared to standard ECG in healthy adults?
Population
234 healthy adults from four studies of heart period variability reactivity to stress
Comparison
Estimation of heart period variability indexes… vs Standard calculation of HPV from a series of…
Design
Other
Authors
Discussion
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Implication
BP waveforms may support HRV assessment in healthy adults; leaves open validation in patients and for high-frequency indexes.
Structured PICO
Does deriving heart period variability from blood pressure waveforms provide reliable indexes compared to standard ECG in healthy adults?
P
Population
234 healthy adults from four studies of heart period variability (HPV) reactivity to stress (conditions included resting baseline, arithmetic, Stroop test, speech presentation, and orthostatic tilt)
I
Intervention
Estimation of heart period variability (HPV) indexes using systolic blood pressure (BP) waveform intervals (sampled at 500 Hz)
C
Comparator
Standard calculation of HPV from a series of R-wave intervals (R-R) in continuous electrocardiographic (ECG) recordings (sampled at 500 Hz)
O
Outcome
Reliability between BP- and ECG-derived HPV indexes (including heart rate and time- and frequency-domain measures)surrogate
Blood pressure waveforms can produce reliable indexes of heart period variability in healthy adults, offering a valid alternative to standard ECG recordings.
Cite This Study
McKinley et al. (2003) studied this question.