The bile duct injury is a complication that occurs mainly after the cholecystectomy. Bile duct stricture is one of complications of this unwitting iatrogenic injury, the outcomes of surgery in this case are worse when the level of the stricture is above the helium.

So what are factors influencing the occurrence of this high level bile duct obstruction ?

The objective of this study was to answer a simple question, what are the factors influencing the occurrence of high level -called hilar biliary stricture? To answer this question, a retrospective study was carried out on the files of patients operated for biliary stenosis after operative trauma of the bile ducts in our department over a period from January 2010 to May 2018. Only patients operated in biliary stricture (Grade E Strasberg) was included.

A univariate and muntivariate logistic regression analysis was performed to determine the factors influencing the occurrence of hilar stenosis. data entry and analysis was done using SPSS V20.0 software.

Inclusion Criteria:

• all cases with biliary stricture following an operative bile duct injury.

Exclusion Criteria:

• cases of biliary stricture following an non operative bile duct injury (Blind or penetrating abdominal trauma , radiological or endoscopic maneuvers).
• cases of biliary stricture following hepatectomy

All cases of biliary structure admitted for the management of an operative bile duct injury in the hepatobiliary surgery and liver transplant department of EHU-1st November 1954 / Oran, Algeria.

No geographic origin is excluded, patients are admitted in our department following a meducal consultation, a medical orientation or an emergency evacuation.

Any patient meeting the inclusion criteria is eligible for this study after informed consent concerning the use of their personal data for research purposes with respect for anonymity and professional secrecy.