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  • Title: Motility of the Roux-en-Y hepaticojejunostomy in asymptomatic patients.
    Author: Le Blanc-Louvry I, Ducrotté P, Manouvrier JL, Peillon C, Testart J, Denis P.
    Journal: Am J Gastroenterol; 1999 Sep; 94(9):2501-8. PubMed ID: 10484015.
    Abstract:
    OBJECTIVE: The aim of our study was to describe the motility in the limb, the duodenum, and the jejunum distal to the limb after Roux-en-Y hepaticojejunostomy in patients who remained asymptomatic postoperatively. Our objective was to obtain reference manometric recordings for interpretion of recordings in symptomatic patients. METHODS: Manometric recordings were obtained in the Roux-en-Y limb in 13 patients 15.6 +/- 1.1 days postoperatively, using a probe inserted into the limb during surgery and coming out through the abdominal wall. The recording openings were positioned in the limb itself in eight patients, and also in the jejunum immediately distal to the limb in five patients. In four of eight patients, limb manometry was combined with duodenal manometry using a second probe introduced nasally. RESULTS: Phase IIIs were recorded in all 13 patients, either spontaneously or after trimebutine stimulation (100 mg i.v.). Phase IIIs occurred spontaneously in 12 patients. They always migrated throughout the Roux-en-Y limb, and were also most often observed in the distal jejunum; migration stopped in the distal jejunum in three of five patients. Phase IIIs in the limb occurred independently from duodenal phase IIIs. In the limbs, the duration of phase IIIs was longer (p < 0.02), and the migration slower than in the duodenum (p < 0.001) and in controls (p < 0.02). In nine of 13 patients, injection of trimebutine (100 mg i.v.) initiated phase III in the Roux limb or in the distal jejunum within 2 min. During the combined recordings, trimebutine initiated phase III simultaneously in the duodenum and in the limb. The response to meals in the limb was poorer than in controls. Interruption of phase IIIs was shorter, and the area under the postprandial curve was smaller (p < 0.01) for each postprandial half-h. Postprandial motility was poorer in the limb than in the distal small bowel (p < 0.01). CONCLUSIONS: In asymptomatic patients, interdigestive motility is present in the hepaticojejunostomy Roux-en-Y limb, but it is abnormal because of slow migration of phase IIIs. The second abnormality observed in the limb is a response to meals that is both short and of low amplitude.
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