Key result
Doppler flow velocity waveform measurement in the fetal ductus arteriosus showed acceptable reproducibility for most parameters, except for acceleration time and end-diastolic velocity.
Why the study?
Is Doppler flow velocity waveform measurement in the fetal ductus arteriosus reproducible during the first half of pregnancy?
Population
52 normal pregnancies between 11 and 25 weeks of gestation
Design
Cross-sectional
Follow-up
15 min
Authors
Loading...
Supports reproducibility of most fetal ductus arteriosus parameters from 11 weeks; leaves open acceleration time reliability.
Observational (n=52)
Is Doppler flow velocity waveform measurement in the fetal ductus arteriosus reproducible during the first half of pregnancy?
Doppler flow velocity waveform measurement in the fetal ductus arteriosus shows acceptable reproducibility for most parameters, but not for acceleration time and end-diastolic velocity.
Brezinka et al. (1994) conducted an observational in Normal pregnancy (n=52). Doppler flow velocity waveform measurement in the fetal ductus arteriosus vs. Consecutive measurement after 15 minutes was evaluated on Reproducibility of flow velocity parameters (peak systolic velocity, mean velocity, end-diastolic velocity, flow velocity integral and acceleration time). Doppler flow velocity waveform measurement in the fetal ductus arteriosus showed acceptable reproducibility for most parameters, except for acceleration time and end-diastolic velocity.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: