Choledocholithiasis
Conditions
Interventions
Biliary stent is placed transpapillary. Mainly 7Fr pigtail type stent is placed on the left or right intrahepatic bile duct at the upper end. However, operator can choice any types of plastic stent, f
Sponsors
kawaguchi shinya
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patients who was placed biliary stent for common bile duct stones. 2) Patients of common bile duct stones which were detected by CT, MRI, abdominal ultrasonography, endoscopic ultrasonography (EUS) , or cholangiography, and the short diameter of bile duct stones was 5 mm or less. 3) Written informed consent is obtained.
Exclusion criteria
Exclusion criteria: 1) Bile duct malignant tumor 2) History of Bilroth-II reconstruction gastrectomy, Roux-en-Y reconstruction gastrectomy, cholangiojejunostomy, or pancreaticoduodenectomy 3) Benign biliary stricture 4) History of medium or large sphincterotomy 5) Asymptomatic or gallstone pancreatitis 6) A responsible doctor has confirmed the candidate should be excluded from this study. 7) Patients without cholangitis who are expected to have a bile duct stone diameter of 6 mm or more by ERCP after obtaining consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The rate of disappearance of common bile duct stones until 6 months after placement of a biliary stent. Disappearance of common bile duct stones is confirmed by endoscopic ultrasonography (EUS) or cholangiography with intraductal ultrasonography (IDUS). | — |
Secondary
| Measure | Time frame |
|---|---|
| Period from placement of biliary stent to stone disappearance The rate of recurrence of common bile duct stone, and period from disappearance to recurrence The rate of adverse events The rate of asymptomatic migration of stent | — |
Contacts
Public Contactshuzo terada
Shizuoka general hospital
Outcome results
None listed