common bile duct stones
Conditions
Interventions
IT knife nano group:IT knife nano pre-cut papillotomy assisted intubation
conventional group:conventional method with standard catheter and guidewire
Sponsors
Nanjing Drum Tower Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Preoperative diagnosis of choledocholithiasis patients with papillary sphincterotomy; 2. Patients treated with ERCP for the first time; 3. Patients aged 18 to 65 years old; 4. The subjects voluntarily participated in the experiment and signed the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with coagulation dysfunction; 2. Patients with diverticulum or diverticulum marginal papillae affecting intubation; 3. Patients with ERCP after digestive tract diversion; 4. Patients with incarcerated papillary stones; 5. Patients with heart, lung or liver failure; 6. Patients with acute obstructive suppurative cholangitis treated by ERCP; 7. The papillary lesions, small and flat, unclear structure or covered by duodenal plica after endoscopy, the operator judged that it was difficult to pre cut with small it knife.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| success rate of intubation;intubation time; | — |
Secondary
| Measure | Time frame |
|---|---|
| post-ERCP pancreatitis;ERCP related bleeding;perforation;cholangitis; | — |
Countries
China
Contacts
Public ContactXiaoping Zou
Nanjing Drum Tower Hospital
Outcome results
None listed