A uterine electromyographic activity as a measure of labour progression
Vrhovec, Jerneja (Author), Rudel, Drago (Author), Pajntar, Marjan (Author), Maček Lebar, Alenka (Author)

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Background: The purpose of this study was the possibility to follow the progress of labour using electromyographic (EMG) signals obtained from the uterine corpus and the cervix. Methods: 28 healty primiparous women with induced labour at an age from 19 to 29 years were enrolled in the study. For interpretation of EMG signals Sample entropy (SampEn), the measure of time series regularity was used. SampEn values were related to the progress of labour recorded in the partogram. The main outcome is association between labour progress and values of SampEn. Results: Approaching the childbirth during normally progressing labour, regular activity of uterine corpus musclesand cervical muscles is indicated as a decreasing trend in values of SampEn. A delay in the active phase of labour due to active contractions of cervical circular muscles is indicated in greater values of SampEn calculated from cervical EMG activity. Conclusions: By measuring and processing of EMG signals from the uterine corpus and the cervix an obstetrician can obtain an additional useful information on the progress of labour.

Keywords:electromyography, uterus, sample entropy, nonlinear index
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FE - Faculty of Electrical Engineering
Publisher:Slovensko zdravniško društvo
Number of pages:str. 109-116
Numbering:Letn. 79, št. 2
ISSN on article:1318-0347
COBISS.SI-ID:26739161 Link is opened in a new window
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Record is a part of a journal

Title:Zdravniški vestnik
Publisher:Slovensko zdravniško društvo
COBISS.SI-ID:32893696 This link opens in a new window

Secondary language

Title:Elektromiografska aktivnost maternice kot mera za spremljanje poroda
Keywords:elektromiografija, maternica, vzorčna entropija, nelinearne metode

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