Key result
Assessment of heart failure in fetuses with arrhythmias requires combining multiple strategies, such as cardiothoracic area ratio and Biophysical Profiling Score, as standard Doppler may be unreliable.
Why the study?
In fetal arrhythmias, progressive heart failure leads to hydrops fetalis and intrauterine death, but accurate evaluation of heart failure severity remains difficult because Doppler waveforms are altered by arrhythmias.
Accurate assessment of heart failure severity in fetuses with arrhythmias requires a multiparametric approach and longitudinal observation, as standard Doppler indices are often unreliable and heart rate alone is insufficient.
Supports multiparametric fetal arrhythmia assessment; leaves open prospective validation of thresholds.
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Yasuki Maeno (2019) conducted a review in Fetal arrhythmias and fetal heart failure. Fetal echocardiography and biophysical profiling was evaluated. Assessment of heart failure in fetuses with arrhythmias requires combining multiple strategies, such as cardiothoracic area ratio and Biophysical Profiling Score, as standard Doppler may be unreliable.
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