Why the study?
Does non-invasive fetal ECG (ePR) improve the prediction of abnormal final fetal rhythm compared to Doppler (mPR) in Ro/La positive pregnancies?
Population
52 consecutive Ro/La positive pregnancies in 46 women carrying 54 fetuses.
Comparison
Non-invasive fetal ECG to measure electrical PR… vs Doppler ultrasound to measure mechanical PR…
Design
Cohort
Authors
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ePR may enhance fetal AV block prediction in anti-Ro/La pregnancies; extends observational data but leaves open prospective validation before practice change.
Does non-invasive fetal ECG (ePR) improve the prediction of abnormal final fetal rhythm compared to Doppler (mPR) in Ro/La positive pregnancies?
Non-invasive fetal ECG measurement of electrical PR intervals provides superior diagnostic accuracy over mechanical PR intervals for predicting atrioventricular block in anti-Ro/La positive pregnancies.
Gardiner et al. (2006) studied this question.
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