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  • Title: Measurement of gastric emptying after gastric bypass surgery using radionuclides.
    Author: Horowitz M, Cook DJ, Collins PJ, Harding PE, Hooper MJ, Walsh JF, Shearman DJ.
    Journal: Br J Surg; 1982 Nov; 69(11):655-7. PubMed ID: 7127049.
    Abstract:
    The pattern of gastric emptying has been assessed after gastric bypass surgery using a double isotope technique for measuring solid and liquid emptying with a scintillation camera. Eleven control subjects and 12 patients, 12 months post-gastric bypass, were studied. Stomal and gastric pouch size were assessed at endoscopy. Solid emptying was slower and liquid emptying was more rapid after gastric bypass surgery. Initial rapid emptying of solid occurred in the 4 patients with the smallest pouch diameters. There was no correlation between stomal size and rates of solid or liquid emptying nor between the weight loss produced by the operation and the rates of solid or liquid emptying, stoma or pouch size.
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