Bilioenteric anastomotic stricture in patients with benign and malignant tumors: prevalence, risk factors and treatment.

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Bilioenteric anastomotic stricture in patients with benign and malignant tumors: prevalence, risk factors and treatment.

Hepatobiliary Pancreat Dis Int. 2017 Aug 15;16(4):412-417

Authors: Zhu JQ, Li XL, Kou JT, Dong HM, Liu HY, Bai C, Ma J, He Q

Abstract
BACKGROUND: Stricture formation at the bilioenteric anastomosis is a rare but important postoperative complication. However, information on this complication is lacking in the literature. In the present study, we aimed to assess its prevalence and predictive factors, and report our experience in managing bilioenteric anastomotic strictures over a ten-year period.
METHODS: A total of 420 patients who had undergone bilioenteric anastomosis due to benign or malignant tumors between February 2001 and December 2011 were retrospectively reviewed. Univariate and multivariate modalities were used to identify predictive factors for anastomotic stricture occurrence. Furthermore, the treatment of anastomotic stricture was analyzed.
RESULTS: Twenty-one patients (5.0%) were diagnosed with bilioenteric anastomotic stricture. There were 12 males and 9 females with a mean age of 61.6 years. The median time after operation to anastomotic stricture was 13.6 months (range, 1 month to 5 years). Multivariate analysis identified that surgeon volume (≤30 cases) (odds ratio: -1.860; P=0.044) was associated with the anastomotic stricture while bile duct size (>6 mm) (odds ratio: 2.871; P=0.0002) had a negative association. Balloon dilation was performed in 18 patients, biliary stenting in 6 patients, and reoperation in 4 patients. Five patients died of tumor recurrence, and one of heart disease.
CONCLUSIONS: Bilioenteric anastomotic stricture is an uncommon complication that can be treated primarily by interventional procedures. Bilioenteric anastomosis may be performed by a surgeon in his earlier training period under the guidance of an experienced surgeon. Bile duct size >6 mm may play a protective role.

PMID: 28823372 [PubMed - indexed for MEDLINE]

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