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A new biliodigestive anastomosis technique to prevent reflux and stasis

A new biliodigestive anastomosis technique to prevent reflux and stasis

American Journal of Surgery 182(1): 52-57

The Roux-en-Y procedure for biliodigestive drainage is most widely accepted, but 10% to 15% of patients postoperatively suffer from a blind-loop syndrome or cholangitis due to motility disorders. A new biliodigestive technique is evaluated in a rat model to prevent these complications. This experimental study in Wistar rats compares the Roux-en-Y technique with a new biliodigestive anastomosis creating a jejunal loop with luminal occlusion. Clinical parameters, small bowel motility, bacteriologic growth, and liver histopathology were evaluated in native and postoperative animals within a study period of 180 days. Both operative procedures were well tolerated. After 6 months intense fibrosis of the liver and high-grade purulent cholangitis were observed in animals in the Roux-en-Y group. In these animals enterobacter and enterococci overgrowth was found. Myoelectric small bowel recordings revealed significant impairment of slow-wave frequency, aboral velocity, and action potentials (percentage of phase III) in Roux-en-Y animals. Motility disorders after conventional Roux-en-Y biliodigestive anastomosis are pivotal for histomorphological damage and infectious findings and can be prevented by using the new technique to create a jejunal loop with luminal occlusion.

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Accession: 045079051

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PMID: 11532416

DOI: 10.1016/s0002-9610(01)00661-4

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