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A Modified Innervated Antral Pouch Preparation

Kyoji Sugawara, MD; Ramesh C. Chawla, MD; M. Michael Eisenberg, MD
Arch Surg. 1970;100(2):191-194. doi:10.1001/archsurg.1970.01340200079017.
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Gastric motility in the conscious state in dogs has been studied traditionally by intraluminal balloon techniques; extraluminal strain gauge transducers1-5 and implanted electrodes6-10 have been used more recently. The latter methods more closely approximate normal physiologic conditions as they involve no intragastric contact or distention, factors which may have a direct or indirect stimulatory effect on motor activity. The balloon techniques, however, have the virtue of simplicity and convenience and require for their execution comparatively inexpensive and easily managed equipment.

The gastric preparation ideally suited to simultaneous secretory and motility studies (utilizing a balloon technique) should have two "pouches" which have both morphologic and physiologic identity with the stomach. Construction of the usual innervated antral pouch,11-13 however, completely separates the antrum from the proximal portion of the stomach, thus creating an unphysiologic or artificial state. Moreover, reestablishment of gastrointestinal continuity by gastroenterostomy in effect precludes accurate and


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