Influence of Electrode Placement on Signal Quality for Ambulatory Pregnancy MonitoringReport as inadecuate

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Computational and Mathematical Methods in Medicine - Volume 2014 2014, Article ID 960980, 12 pages -

Research Article

Faculty of Electrical Engineering, University of Technology Eindhoven, 5612 AZ Eindhoven, The Netherlands

Máxima Medical Center, 5504 DB Veldhoven, The Netherlands

Received 31 May 2013; Revised 13 November 2013; Accepted 15 November 2013; Published 3 February 2014

Academic Editor: Maria Gabriellla Signorini

Copyright © 2014 M. J. Rooijakkers et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Noninvasive fetal health monitoring during pregnancyhas become increasingly important in order to preventcomplications, such as fetal hypoxia and preterm labor. Withrecent advances in signal processing technology using abdominalelectrocardiogram ECG recordings, ambulatory fetalmonitoring throughout pregnancy is now an important step closer to becoming feasible. The large number of electrodes required in current noise-robustsolutions, however, leads to high power consumption andreduced patient comfort. In this paper, requirements for reliablefetal monitoring using a minimal number of electrodes aredetermined based on simulations and measurement results. Tothis end, a dipole-based model is proposed to simulate differentelectrode positions based on standard recordings. Results showa significant influence of bipolar lead orientation on maternaland fetal ECG measurement quality, as well as a significantinfluence of interelectrode distance for all signals of interest.

Author: M. J. Rooijakkers, S. Song, C. Rabotti, S. G. Oei, J. W. M. Bergmans, E. Cantatore, and M. Mischi



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