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  • Title: [Motility of the small intestine in dogs before and after total colectomy, proctomucosectomy and endorectal ileal pull-through].
    Author: Lenner V, Bickel M, Jung S, Daniels V.
    Journal: Z Exp Chir; 1981; 14(2):68-74. PubMed ID: 7257466.
    Abstract:
    In healthy dogs the parameters (amplitude and frequency) of small intestinal motility of segmental and propulsive contractions demonstrate a pressure-gradient directed from oral to aboral. The frequency of segmental contractions in the colo-rectal region shows a vector in the opposite direction. One rarely finds propulsive activity in this area. Following on colectomy, proctomucosectomy and ileum pull-through a distinct increase in segmental small intestinal activity is noticed, while the frequency of propulsive movements simultaneously decrease. Thus it comes to a slowing of the passage of intestinal contents, and to increased water resorption. From these findings we conclude that the small intestine plays an essential part in the regaining of fecal continence in these animals.
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