1. Background * Advanced guidewires with a U-shaped tip could effectively cross the long or multi-occlusive segment smoothly and go into the distal outflow vessel. * The guidewire looping technique is a safe and effective method for the recanalization of the occluded lesions in infrapopliteal vessels. 2. Objective - To compare the performance a loop-tipped guidewire with a straight-tipped guidewire in achieving successful deep biliary cannulation. 3. Design \- Prospective randomized trial. 4. Setting: \- Tertiary-care medical center 5. Patients \- This study will involve 192 patients with biliary diseases which require endoscopic retrograde cholangiopancreatography. 6. Intervention - Cannulation of bile duct by using a loop-tipped guidewire or a straight-tipped guidewire 7. Main outcome measurements - Compare the cannulation success rate, the duration of the cannulation, immediate and late complications.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
200
Selective biliary cannulation during endoscopic retrograde cholangiopancreatography
Selective biliary cannulation during endoscopic retrograde cholangiopancreatography
Department of Gastroenterology, Ajou University School of Medicine
Suwon, Gyeonggi-do, South Korea
The cannulation success rate
Time frame: Up to 9 months, The primary outcome measure will be assessed after the enrollment of patients (anticipated time: 2014/08/30).
The duration of the cannulation, immediate and late complications.
Time frame: Up to 9 months, The secondary outcome measure will be assessed after the enrollment of patients (anticipated time: 2014/08/30).
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