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We applied computerized methods to assess the Electronic Fetal Monitoring (EFM) in labor. We analyzed retrospectively the last hour of EFM for 1,370 babies, delivered by emergency Cesarean sections before the onset of pushing (data collected at the John Radcliffe Hospital, Oxford, UK). There were two cohorts according to the reason for intervention: (a) fetal distress, n(1) = 524 and (b) failure to progress and/or malpresentation, n(2) = 846. The cohorts were compared in terms of classical EFM features (baseline, decelerations, variability and accelerations), computed by a dedicated Oxford system for automated analysis--OxSys. In addition, OxSys was employed to simulate current clinical guidelines for the classification of fetal monitoring, i.e. providing in real time a three-tier grading system of the EFM (normal, indeterminate, or abnormal). The computerized features and the simulated guidelines corresponded well to the clinical management and to the actual labor outcome (measured by umbilical arterial pH).

Original publication

DOI

10.1109/IEMBS.2011.6091456

Type

Conference paper

Publication Date

2011

Volume

2011

Pages

5888 - 5891

Keywords

Cardiotocography, Decision Support Systems, Clinical, Decision Support Techniques, Diagnosis, Computer-Assisted, Female, Fetal Distress, Humans, Labor Presentation, Labor, Induced, Male, Pregnancy, Reproducibility of Results, Sensitivity and Specificity