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Authors: Javier Mas-Cabo 1 ; Yiyao Ye-Lin 1 ; Carlos Benalcazar-Parra 1 ; José Alberola-Rubio 1 ; Alfredo Perales 2 ; Javier Garcia-Casado 1 and Gema Prats-Boluda 1

Affiliations: 1 Universitat Politècnica de València, Spain ; 2 Hospital Universitari I Politècnic la Fe, Spain

Keyword(s): Electrohysterogram, Preterm Labor, Concentric Ring Electrodes.

Abstract: Recording of electrohysterogram (EHG) has emerged as a non-invasive method for monitoring uterine dynamics during pregnancy. Usually EHG is picked up using conventional disk electrodes placed on the abdominal surface resulting in a limited spatial resolution due to the blurring effect of the volume conductor. In this respect, concentric ring electrodes have been proposed to pick up uterine myoelectrical activity in term patients so as to improve spatial resolution and to reduce physiological interferences embedded in these records. The aim of the present work is to check the feasibility of recording EHG signals using concentric ring electrodes (BC-EHG) in patients with threatened preterm labor and to compare their capability to discriminate true preterm labor from false alarms with that of conventional EHG bipolar recording. For this purpose, 50 sessions with simultaneous EHG recordings with conventional disk electrodes and concentric ring electrodes were conducted in 26 pat ients. Compared to conventional bipolar EHG recording, the BC-EHG presents smaller amplitude and similar spectral characteristics. Statistically significant differences between women who delivered preterm and those that delivered at term were found for both the average peak-peak amplitude and the dominant frequency in the frequency range 0.2-1 Hz from BC-EHG recordings. Nonetheless no EHG parameter from simultaneous conventional bipolar recording showed statistically significant differences. These results suggest superior performance of BC-EHG recordings in patients with threatened preterm labor for discriminating true preterm labor from term labor. (More)

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Paper citation in several formats:
Mas-Cabo, J.; Ye-Lin, Y.; Benalcazar-Parra, C.; Alberola-Rubio, J.; Perales, A.; Garcia-Casado, J. and Prats-Boluda, G. (2017). Electrohysterogram Signals from Patients with Threatened Preterm Labor: Concentric Ring Electrode Vs Disk Electrode Recordings. In Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIOSIGNALS; ISBN 978-989-758-212-7; ISSN 2184-4305, SciTePress, pages 78-83. DOI: 10.5220/0006155000780083

@conference{biosignals17,
author={Javier Mas{-}Cabo. and Yiyao Ye{-}Lin. and Carlos Benalcazar{-}Parra. and José Alberola{-}Rubio. and Alfredo Perales. and Javier Garcia{-}Casado. and Gema Prats{-}Boluda.},
title={Electrohysterogram Signals from Patients with Threatened Preterm Labor: Concentric Ring Electrode Vs Disk Electrode Recordings},
booktitle={Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIOSIGNALS},
year={2017},
pages={78-83},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006155000780083},
isbn={978-989-758-212-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIOSIGNALS
TI - Electrohysterogram Signals from Patients with Threatened Preterm Labor: Concentric Ring Electrode Vs Disk Electrode Recordings
SN - 978-989-758-212-7
IS - 2184-4305
AU - Mas-Cabo, J.
AU - Ye-Lin, Y.
AU - Benalcazar-Parra, C.
AU - Alberola-Rubio, J.
AU - Perales, A.
AU - Garcia-Casado, J.
AU - Prats-Boluda, G.
PY - 2017
SP - 78
EP - 83
DO - 10.5220/0006155000780083
PB - SciTePress

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