Electro Hysterogram Parameters and Indices Clinical
Applicability for Preterm Labor Management
Volume 3 - Issue 3
Wael S Nossair*
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- Department of Obstetrics and Gynecology, Zagazig University, Egypt
*Corresponding author:
Wael S Nossair, Department of Obstetrics and Gynecology, Zagazig University, Egypt
Received:June 21, 2019; Published: June 28, 2019
DOI: 10.32474/IGWHC.2018.03.000162
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Abstract
Background:Prediction of threatened preterm labor is considered a major clinical challenge in obstetric every day practice
usage of electro hysterography as an electro diagnostic tool to asses and the electrical activity levels within uterine muscle fibers
could aid in management and predictability of delivery time in those category of cases.
Aim:To investigate the value of electro hysterogram indices to Predict delivery occurrence in more or less than 7 days threatened
preterm cases under tocolytic management by usage of an electro hysterogram.
Methodology:A prospective clinical research trial conducted on 100 research study subjects having threatened preterm
labor categorized in two research groups G1 research group have been composed of cases that delivered in less than 7 days after
performing the electro hysterogram recording session G2 research group have been composed of cases that delivered after 7 days
performing the electro hysterogram recording session.
Results:Burst EHG statistical significance was observed in Peak to peak amplitude of the EHG signals, Spectral entropy, Binary
Lempel-Ziv index, Multistate Lempel-Ziv index (p values =0.020,0.016,<0.001,<0.001,consecutively) on the other hand regarding
Whole EHG window statistical significant difference was observed in Median frequency: Sample entropy, Spectral entropy, Binary
Lempel-Ziv index, Multistate Lempel-Ziv index (p values <0.001)
ConclusionUterine EMG is a promising tool as regards accuracy and value in prediction of true preterm labor even under
tocolytic therapy that could show the effectiveness of tocolytic agent management. However future research studies should consider
larger sample sizes in multicentric fashion and discriminate between various tocolytic agents’ impact on uterine muscular activity.
Keywords:Uterine EMG; Preterm labor; Electro hysterogram
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