Entropy Profiling for Detection of Fetal Arrhythmias in Short Length Fetal Heart Rate Recordings

The use of fetal heart rate (FHR) recordings for assessing fetal wellbeing is an integral component of obstetric care. Recently, non-invasive fetal electrocardiography (NI-FECG) has demonstrated utility for accurately diagnosing fetal arrhythmias via clinician interpretation. In this work, we introd...

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Main Authors: Keenan, Emerson, Udhayakumar, Radhagayrathi K., Karmakar, Chandan K., Brownfoot, Fiona C., Palaniswami, Marimuthu
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Udhayakumar, Radhagayrathi K.
Karmakar, Chandan K.
Brownfoot, Fiona C.
Palaniswami, Marimuthu
description The use of fetal heart rate (FHR) recordings for assessing fetal wellbeing is an integral component of obstetric care. Recently, non-invasive fetal electrocardiography (NI-FECG) has demonstrated utility for accurately diagnosing fetal arrhythmias via clinician interpretation. In this work, we introduce the use of data-driven entropy profiling to automatically detect fetal arrhythmias in short length FHR recordings obtained via NI-FECG. Using an open access dataset of 11 normal and 11 arrhythmic fetuses, our method (TotalSampEn) achieves excellent classification performance (AUC = 0.98) for detecting fetal arrhythmias in a short time window (i.e. under 10 minutes). We demonstrate that our method outperforms SampEn (AUC = 0.72) and FuzzyEn (AUC = 0.74) based estimates, proving its effectiveness for this task. The rapid detection provided by our approach may enable efficient triage of concerning FHR recordings for clinician review.
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title Entropy Profiling for Detection of Fetal Arrhythmias in Short Length Fetal Heart Rate Recordings
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