ArticleScientific reports2024
Multichannel mapping of in vivo rat uterine myometrium exhibits both high and low frequency electrical activity in non-pregnancy.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 7 citations in OpenAlex.
- Mapping the variability of in vivo rat uterine electrical properties throughout the oestrous cycle.Experimental physiology · 2026Article
- Objective and comprehensive characterization of uterine peristaltic activity throughout the menstrual cycle by means of intracavitary electrohysterography, a cohort study.Acta obstetricia et gynecologica Scandinavica · 2026Article
- Electrical wave generation and spatial organization in uterine tissue.Journal of the Royal Society, Interface · 2025Article
- Compact flexible linear stepping motors.Scientific reports · 2025Article
- Three-dimensional virtual histology of the rat uterus musculature using micro-computed tomography.Journal of anatomy · 2025Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
The uterus exhibits intermittent electrophysiological activity in vivo. Although most active during labor, the non-pregnant uterus can exhibit activity of comparable magnitude to the early stages of labor. In this study, two types of flexible electrodes were utilized to measure the electrical activity of uterine smooth muscle in vivo in anesthetized, non-pregnant rats. Flexible printed circuit electrodes were placed on the serosal surface of the uterine horn of six anesthetized rats. Electrical activity was recorded for a duration of 20-30 min. Activity contained two components: high frequency activity (bursts) and an underlying low frequency 'slow wave' which occurred concurrently. These components had dominant frequencies of 6.82 ± 0.63 Hz for the burst frequency and 0.032 ± 0.0055 Hz for the slow wave frequency. There was a mean burst occurrence rate of 0.76 ± 0.23 bursts per minute and mean burst duration of 20.1 ± 6.5 s. The use of multiple high-resolution electrodes enabled 2D mapping of the initiation and propagation of activity along the uterine horn. This in vivo approach has the potential to provide the organ level detail to help interpret non-invasive body surface recordings.
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Registered trials
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