Patients who undergo endoscopic retrograde cholangiography or undergo ERCP-related procedures (e.g., bile sampling, biliary duct biopsy, lithectomy, or biliary drainage).
Conditions
Interventions
CGC methdf cohort with offset-tip papillotome (KD-411Q-0720, Olympus)
WGC method cohort with offset-tip papillotome (KD-411Q-0720, Olympus).
WGC method cohort with conventional papillotome (KD-V422M-0
Sponsors
The Jikei University School of Medicine
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: (1)Patients who undergo cholangiography or undergo ERCP-related procedures (e.g., bile sampling, biliary duct biopsy, lithectomy, or biliary drainage). (2)Patients aged 20 years or older. (3)Patients who can give informed consent.
Exclusion criteria
Exclusion criteria: (1)Patients with a past history of ERCP. (2)Patients with a past history of endoscopic sphincterotomy or balloon dilation. (3)Patients with a past history of abdominal surgery and reconstruction by the Billroth II method or Roux-en-Y method. (4)Patients who require pancreatography. (5)Patients in whom endoscopy is difficult due to serious cardiopulmonary disease or shock state. (6)Pregnant women and possibly pregnant women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the number of unintended contrast injection into the pancreatic duct and the number of unintended guide wire pass into the pancreatic duct before successful biliary deep cannulation | — |
Countries
Japan,Asia(except Japan)
Contacts
Public ContactHiroo Imazu
The Jikei University School of Medicine Department of Endoscopy
Outcome results
None listed