title: New estimators and guidelines for better use of fetal heart rate estimators with Doppler ultrasound devices.
abstract: Characterizing fetal wellbeing with a Doppler ultrasound device requires computation of a score based on fetal parameters. In order to analyze the parameters derived from the fetal heart rate correctly, an accuracy of 0.25 beats per minute is needed. Simultaneously with the lowest false negative rate and the highest sensitivity, we investigated whether various Doppler techniques ensure this accuracy. We found that the accuracy was ensured if directional Doppler signals and autocorrelation estimation were used. Our best estimator provided sensitivity of 95.5%, corresponding to an improvement of 14% compared to the standard estimator.
authors.affiliation: Signal & Imaging Group, University François Rabelais of Tours, PRES Loire Valley University, UMR INSERM U930, 7 Avenue Marcel Dassault, 37200 Tours Cedex, France ; Inserm, U930, 10 Boulevard Tonnellé, BP 3223, 37032 Tours Cedex, France.
authors.forename: Iulian
authors.initials: I
authors.lastname: Voicu
authors.affiliation: Signal & Imaging Group, University François Rabelais of Tours, PRES Loire Valley University, UMR INSERM U930, 7 Avenue Marcel Dassault, 37200 Tours Cedex, France ; Inserm, U930, 10 Boulevard Tonnellé, BP 3223, 37032 Tours Cedex, France.
authors.forename: Sébastien
authors.identifier: 0000-0002-7097-7533
authors.initials: S
authors.lastname: Ménigot
authors.affiliation: IRIT UMR 5505, Université Paul Sabatier Toulouse 3, 118 Route de Narbonne, 31062 Toulouse Cedex 9, France.
authors.forename: Denis
authors.initials: D
authors.lastname: Kouamé
authors.affiliation: Signal & Imaging Group, University François Rabelais of Tours, PRES Loire Valley University, UMR INSERM U930, 7 Avenue Marcel Dassault, 37200 Tours Cedex, France ; Inserm, U930, 10 Boulevard Tonnellé, BP 3223, 37032 Tours Cedex, France.
authors.forename: Jean-Marc
authors.initials: JM
authors.lastname: Girault
mesh_terms: D000465:Algorithms; D000792:Angiography; D005260:Female; D005323:Fetal Monitoring / Q000379:methods*; D006340:Heart Rate, Fetal; D006801:Humans; D007091:Image Processing, Computer-Assisted / Q000379:methods*; D015233:Models, Statistical; D011247:Pregnancy; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D012815:Signal Processing, Computer-Assisted; D059629:Signal-To-Noise Ratio; D012984:Software; D014159:Transducers; D018608:Ultrasonography, Doppler / Q000379:methods*; D016216:Ultrasonography, Prenatal / Q000379:methods*