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Effect of electroacupuncture on intestinal motility and transit

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Author(s):
Gustavo Morandini Reginato
Total Authors: 1
Document type: Master's Dissertation
Press: Pirassununga.
Institution: Universidade de São Paulo (USP). Faculdade de Zootecnica e Engenharia de Alimentos (FZE/BT)
Defense date:
Examining board members:
Renata Gebara Sampaio Dória; Pierre Barnabé Escodro; Ayne Murata Hayashi; Luciano Andrade Silva
Advisor: Renata Gebara Sampaio Dória
Abstract

Ileus is classified as a decrease or absence of gastrointestinal motility. The use of electroacupuncture is known to influence the gastrointestinal motility of humans and animals. The present study aimed to evaluate the effect of electroacupuncture on intestinal motility of healthy horses. Eight horses were used, randomly distributed in three experimental groups: Metoclopramide Group (GM; n = 8), in which 0.04 mg/kg metoclopramide, IM, was administered in two moments, one hour apart.; Electroacupuncture Group (EG; n = 8), in which electroacupuncture was performed on acupoints Stomach 21, 25 and 36, with dense-dispersed alternating frequency electrical stimulation (F1 = 3 Hz; F2 = 10Hz) for 15 minutes in two moments, one hour apart; False Electroacupuncture Group (FG; n = 8), in which electrical stimulation was performed in the same way as in EG, but in sham acupoints (sham). The same animals were used in the three experimental groups. Intestinal motility assessments were performed by auscultation and abdominal ultrasonography at times T0 (immediately before treatment, considered the baseline), T1 (20 minutes after the beginning of the first treatment), T2 (20 minutes after the beginning of the second treatment), T3 (60 minutes after T2), T4 (120 minutes after T2), T5 (180 minutes after T2), T6 (240 minutes after T2) and T7 (360 minutes after T2). Intestinal transit evaluation was performed with the administration of chromium oxide and its quantification in feces. Abdominal auscultation increased intestinal motility over time in the EG group, being higher for EG animals compared to the other treatments. No differences were found over time and between treatments by means of intestinal ultrasound, nor in relation to intestinal transit. There was no correlation between the forms of assessment of intestinal motility and transit. It is concluded that electroacupuncture promotes increased intestinal motility of healthy horses, evidenced by abdominal auscultation. (AU)

FAPESP's process: 17/10733-6 - Effect of eletroacupuncture on the intestinal motility and transit of horses
Grantee:Gustavo Morandini Reginato
Support Opportunities: Scholarships in Brazil - Master