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  Vol. 131 No. 1, January 1996 TABLE OF CONTENTS
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The mode of Roux-en-Y reconstruction affects motility in the efferent limb

H. Thomas, J. Heimbucher, K. H. Fuchs, S. M. Freys, T. R. DeMeester, J. H. Peters, C. G. Bremner and A. Thiede
Department of Surgery, University of Southern California School of Medicine, Los Angeles, USA.

OBJECTIVES: To compare motility of a Roux-en-Y esophagojejunostomy after total gastrectomy with normal jejunal motility and to determine the effect on motility of the incorporation of a pouch in the reconstruction. DESIGN: Jejunal motility in normal subjects was compared with jejunal motility in the Roux-en-Y reconstruction with and without a Hunt-Lawrence pouch. SETTING: The case were collected during a 4-year period at a university hospital. The mean time from resection to study was 14 months (range, 4 to 49 months). PATIENTS: Seven control patients were compared with 10 patients with a Roux-en-Y reconstruction and 17 with a Roux-en-Y and Hunt-Lawrence pouch. OUTCOME MEASURE: The fasting-state motility of the jejunum used for reconstruction was measured by a water-perfused manometric system for 2 to 4 hours with the subject in the supine position. RESULTS: Compared with normal subjects, patients with a Roux-en-Y esophagojejunostomy without a pouch had an increased number of phases of the interdigestive motor complex per hour (P < .05). The phases were of shorter duration with a random sequence and increased total time spent in the quiescent phase 1 (P < .05). In patients with a pouch, no differences were detected between the motility in the pouch and the efferent limb. Compared with those without a pouch, there were significantly fewer orthograde interdigestive motor complex phase 3 fronts and more total time spent in phase 1 (P < .05). CONCLUSIONS: Construction of a gastric substitute from jejunum leads to substantial motility changes. The addition of a pouch decreases the overall activity, which may contribute to the storage function of the pouch.





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