Key result
Doppler ultrasound adequately measured systolic blood pressure but significantly overestimated diastolic blood pressure compared to direct intra-arterial measurements.
Why the study?
Does Doppler ultrasound accurately measure systolic and diastolic blood pressures compared to direct intra-arterial measurement in children recovering from cardiac surgery?
Population
20 children recovering from cardiac surgery
Comparison
Indirect blood pressure measurement using a… vs Direct intra-arterial blood pressure measurements
Design
Cross-sectional, Independent measurements by different observers
Authors
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Caution advised for Doppler diastolic readings in post-cardiac surgery children; leaves open validation needs versus intra-arterial standards in broader pediatric cohorts.
Observational (n=20)
Does Doppler ultrasound accurately measure systolic and diastolic blood pressures compared to direct intra-arterial measurement in children recovering from cardiac surgery?
Effect estimate: MD 6-25 mmHg
Doppler ultrasound is an accurate non-invasive method for measuring systolic, but not diastolic, blood pressure in pediatric patients recovering from cardiac surgery.
Whyte et al. (1975) conducted an observational in recovering from cardiac surgery (n=20). Doppler ultrasound vs. Direct intra-arterial measurements was evaluated on Systolic and diastolic blood pressure (MD 6-25 mmHg). Doppler ultrasound adequately measured systolic blood pressure but significantly overestimated diastolic blood pressure compared to direct intra-arterial measurements.
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