New Estimators and Guidelines for Better Use of Fetal Heart Rate Estimators with Doppler Ultrasound Devices | Zendy

Iulian Voicu | Zendy; Sébastien Ménigot | Zendy; Denis Kouamé | Zendy; JeanMarc Girault | Zendy

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New Estimators and Guidelines for Better Use of Fetal Heart Rate Estimators with Doppler Ultrasound Devices

Author(s) -

Iulian Voicu,

Sébastien Ménigot,

Denis Kouamé,

JeanMarc Girault

Publication year - 2014

Publication title -

computational and mathematical methods in medicine

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.462

H-Index - 48

eISSN - 1748-6718

pISSN - 1748-670X

DOI - 10.1155/2014/784862

Subject(s) - estimator , doppler effect , doppler ultrasound , autocorrelation , fetal heart rate , sensitivity (control systems) , ultrasound , statistics , mathematics , medicine , computer science , heart rate , radiology , physics , engineering , electronic engineering , astronomy , blood pressure

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.

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