Comput Math Methods Med - New estimators and guidelines for better use of fetal heart rate estimators with Doppler ultrasound devices.

Tópicos

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Resumo

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.

Resumo Limpo

character fetal wellb doppler ultrasound devic requir comput score base fetal paramet order analyz paramet deriv fetal heart rate correct accuraci beat per minut need simultan lowest fals negat rate highest sensit investig whether various doppler techniqu ensur accuraci found accuraci ensur direct doppler signal autocorrel estim use best estim provid sensit correspond improv compar standard estim

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