Abstract
The clinical data of 7 patients who underwent the treatment of gradual and persistent balloon dilatation (GPBD) by percutaneous transhepatic cholangiography (PTC) for traumatic biliary stricture in Zhongshan Hospital Affiliated to Dalian University were analyzed retrospectively. Balloon catheters were successfully implanted in 5 cases by PTC, and with the help of ERCP in 2 PTC failed cases. There was no bleeding, acute pancreatitis and other complications. Two balloon catheters were damaged and displaced, respectively. All the biliary strictures were relieved. No biliary sludge was attached on the surface of the balloon and in the bile duct. Bile duct mucosa had congestion edema and cellulose attachment. There was no biliary stricture recurrence in the follow-up of 5 to 27 months. This study showed GPBD by PTC was a simple, safe and effective method for treating traumatic biliary strictures. Key words: Biliary stricture; Balloon dilatation; Percutaneous transhepatic cholangiography; Choledochoscope
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