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Manometric Evaluation of an Artificial Intestinal Valve

Han-Long Zheng, MD; Satoshi Onishi, MD; Nobuhiko Tanigawa, MD; Kaoru Kumada, MD; Kisaku Satomura, MD
Arch Surg. 1976;111(5):578-581. doi:10.1001/archsurg.1976.01360230078015.
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• A new type of intestinal valve was constructed by telescoping the proximal portion of the intestine into the distal portion. The length of telescoped intestine was expressed in relation to its diameter. Various lengths of intestine were tested in 29 dogs. Valvular function was evaluated under pentobarbital sodium anesthesia, with open-tip catheters perfused at a rate of 5μI to 6μI/sec. An intestinal valve, made by telescoping two diameter lengths of the intestine, yielded the most similar results manometrically to those of the ileocolonic junction. Mean isoperistaltic and antiperistaltic pressures were measured to be 25.0 ± 2.0 and 39.0 ± 3.8 cm H2O in the valve, and 20.4 ± 2.2 and 39.7 ± 5.1 cm H2O in the ileocolonic junction. No alteration of the valvular function was found in the long-term follow-up study. (.2 < P <.5).

(Arch Surg 111:578-581, 1976)

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