Key result
Pulse transit time measures were only moderately correlated with systolic blood pressure and not correlated with diastolic or mean arterial pressure across 4 subjects.
Why the study?
Does pulse transit time reliably correlate with intra-arterial blood pressure measures?
Population
4 subjects
Authors
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Suggests caution against pulse transit time as intra-arterial BP surrogate; leaves open validation in larger cohorts.
Observational (n=4)
Does pulse transit time reliably correlate with intra-arterial blood pressure measures?
Pulse transit time shows limited and inconsistent correlations with intra-arterial blood pressure, suggesting caution against using it as a simple substitute for beat-to-beat blood pressure measurement.
Lane et al. (1983) reported an observational. Pulse transit time was evaluated on Correlation between pulse transit time and intra-arterial blood pressure. Pulse transit time measures were only moderately correlated with systolic blood pressure and not correlated with diastolic or mean arterial pressure across 4 subjects.
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