Biliary Reconstruction
Biliary Reconstruction - Related Videos
04:32
Biliary System Resin Casting: A Technique for Analyzing 3D Architecture of Biliary System in Murine Model Using Radiopaque Resin Injection
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2025
This video describes the procedure for biliary system resin casting, for understanding 3D biliary architecture. This technique provides insights into the internal diameter and network connectivity of the biliary system, which could be used for liver regeneration analysis.
07:44
Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
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Cited by 1 •
2022
Endoscopic Ultrasound-Guided Biliary Drainage (EUS-BD) is an alternative method of biliary decompression in malignant biliary obstruction. Here we describe the technique of EUS guided-Hepaticogastrostomy (EUS-HGS) in a case of unresectable malignant hilar biliary obstruction.
07:03
A New Clarification Method to Visualize Biliary Degeneration During Liver Metamorphosis in Sea Lamprey (Petromyzon marinus)
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Cited by 11 •
2014
Sea lamprey lose the gall bladder and bile ducts during metamorphosis, a process similar to human biliary atresia. A new fixation and clarification method (CLARITY) was modified to visualize the entire biliary tree using laser scanning confocal microscopy. This method provides a powerful tool to study biliary degeneration.
08:14
Hepatocyte-specific Ablation in Zebrafish to Study Biliary-driven Liver Regeneration
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Cited by 18 •
2015
To help assess the molecular mechanisms underlying zebrafish biliary-driven liver regeneration, we established a liver injury model in which the nitroreductase-expressing hepatocytes are genetically ablated upon metronidazole treatment. In this protocol, we describe how to adeptly manipulate, monitor and analyze hepatocyte ablation and biliary-driven liver regeneration.
04:12
Acute Biliary Pancreatitis Model: A Method to Generate Acute Biliary Pancreatitis Mouse Model via Pancreatic Duct Infusion
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2025
This video describes the procedure for the generation of a mouse model with acute biliary pancreatitis via pancreatic infusion of sodium taurocholate. This model helps study pathophysiological changes induced by sodium taurocholate in the pancreas.
FAQs
A Roux-en-Y hepaticojejunostomy directs bile from the remaining bile ducts into the small intestine through a surgically created connection. This arrangement provides an alternative route when the normal duct pathway cannot be used because of injury, obstruction, removal, or disease. Its purpose is to restore controlled drainage while reducing the consequences of disrupted bile flow.
Surgeons base the reconstruction plan on the anatomy of the remaining ducts, the condition of the surrounding tissue, the extent of duct injury, and the underlying disease. These variables determine whether a connection can be created safely and where it should be placed. Considering them individually helps match the repair to the patient’s specific hepatobiliary problem.
Healthy tissue and a clearly defined injury can provide more suitable conditions for creating a durable biliary connection. Conversely, extensive injury or compromised tissue may make reconstruction more complex and influence the selected approach. These factors matter because an unsuccessful repair can contribute to bile leakage, narrowing of the reconstructed pathway, infection, or impaired digestion.
The process begins with assessing the remaining duct anatomy, tissue condition, injury extent, and underlying disease. Surgeons then select an appropriate reconstructive technique, commonly involving a connection between the remaining ducts and the gastrointestinal tract. The completed repair must provide controlled bile drainage and address the original disruption to reduce clinically important complications.
Biliary reconstruction is used in several complex hepatobiliary settings, including liver transplantation, bile duct injuries, bile duct tumors, and other disorders that alter normal duct function. In each situation, the procedure helps reestablish bile passage after anatomy has been damaged, obstructed, removed, or changed by disease or surgery.
A successful reconstruction restores bile drainage and helps protect against bile leaks, strictures, infection, and impaired digestion. These outcomes reflect whether the new pathway remains controlled and functional. The underlying disease, duct anatomy, tissue condition, and extent of injury all influence the likelihood of achieving a durable repair and avoiding postoperative problems.