Short-Term Interferential Transabdominal Electrical Stimulation Did Not Change Oral-Rectal Transit Time in Piglets
AuthorTan, AYF; Sourial, M; Hutson, JM; Southwell, BR
Rural Clinical School
Document TypeJournal Article
CitationsTan, A. Y. F., Sourial, M., Hutson, J. M. & Southwell, B. R. (2018). Short-Term Interferential Transabdominal Electrical Stimulation Did Not Change Oral-Rectal Transit Time in Piglets. NEUROMODULATION, 21 (7), pp.669-675. https://doi.org/10.1111/ner.12761.
Access StatusOpen Access
BACKGROUND: Transcutaneous electrical stimulation (TES) using interferential current (IFC) is a new therapeutic treatment for constipation. Clinical studies show that TES-IFC for 3-6 months improves colonic transit, but it is not clear if short-term stimulation affects transit or the effect requires longer to develop. The aim of this study was to determine if TES-IFC for only four days affects oral-rectal transit time in healthy pigs. METHODS: Twenty-two 4-5-week old large white female piglets had transit studies during week 4 and week 5 by placing a capsule containing 18 radiopaque plastic markers in the esophagus under anesthetic followed by x-rays at 6, 30, 54, and 78 hours. Animals were randomly assigned to active or control groups. The active group received TES for 30 min daily for four days. Interferential current was applied through four electrodes (4 × 4 cm), with two para-spinal just below the last rib and two on the belly at the same level. Stimulation was at 4000 Hz and 4080-4160 Hz with currents crossing through the abdominal cavity. RESULTS: Whole bowel transit times ranged from 7.7 to 72.2 hours, stomach transit from <1 to 63 hours, and bowel with rectum transit time from 5 to 53 hours. Transit times were the same for the control (median 28.4 hours) and TES-IFC (23.0 hours) groups in the prestimulation and stimulation weeks (control 23.0, TES-IFC 19.8 hours) with no change within or between groups. CONCLUSION: Four days of half-hour TES-IFC daily in healthy 5-week-old piglets did not change oral-rectal transit time.
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