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June 1996

Biliary-Enteric Anastomosis by Means of a Single Layer of Serosubmucosal Sutures Without T-Tube Drainage

Author Affiliations

From the First Department of Surgery, Kobe (Japan) University School of Medicine.

Arch Surg. 1996;131(6):637-639. doi:10.1001/archsurg.1996.01430180063012

Background:  To lessen anastomotic stricture after biliary-enteric anastomosis, we developed a new biliary-enteric anastomosis that uses a single layer of interrupted serosubmucosal sutures without T-tube drainage.

Objective:  To evaluate the safety and reliability of this new technique in a canine model of choledochoduodenostomy.

Methods:  In 10 beagles, the common bile duct (2 to 3 mm in diameter) was ligated close to the duodenum with 3-0 polyglactin. On the fifth day after operation, the serum bilirubin level was elevated (137 to 205 μmol/L [8 to 12 mg/dL]) and the bile duct was dilated. The anastomosis between serosubmucosal layers of the dilated bile duct (8 to 10 mm in diameter) and duodenum was accomplished with interrupted sutures of 6-0 polyglactin with two needles. Stitches were inserted in the submucosal plane at the cut edge of the duct and duodenum to appose the mucosa accurately and to avoid accidental perforation of the entire thickness of the duct and duodenum. A T tube was not placed.

Results:  There was no anastomotic leakage and the bilirubin level was normalized (14 to 17 μmol/L [0.8 to 1.0 mg/dL]) 7 days after operation for anastomosis. Histologic examination of specimens removed 6 or 12 months after operation showed good connective-tissue union and good mucosal continuity between the bile duct and the duodenum. There was no mucosal scarring and contracture or stricture formation.

Conclusion:  This new technique is simple and reliable and is recommended as an alternative method for restoring the continuity between the bile duct and intestinal tract after operation for obstructive jaundice caused by benign and malignant stricture of the bile duct.(Arch Surg. 1996;131:637-639)

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