About this trial
This study is a multicenter, bidirectional cohort study aimed at continuously enrolling patients with biliary dilatation from 25 medical centers in China. It will collect comprehensive life-cycle data from the cohort to establish a Chinese cohort for IVa biliary dilatation (BD). Based on this cohort, the study seeks to compare the perioperative risks, long-term outcomes, and quality of life of type IVa BD following surgical treatment, to establish standardized surgical treatment strategies for type IVa BD.
Eligibility criteria
Qualifiers
Patients who have been diagnosed with Todani type IVa BD.
Patients aged between 0 and 80 years old, regardless of gender.
First-time receipt of surgery.
Disqualifiers
With abnormal intrapancreatic bile duct
Inappropriate Roux-loop length (outside the range of 40-60 cm for adults and 15-30 cm for children)
With non-relevant surgical interventions
Pathologically confirmed carcinogenesis
Trial design
Treatments tested in this trial
- Not listed