ERCP
Endoscopic Retrograde Cholangiopancreatography (ERCP) is an advanced endoscopic procedure used to diagnose and treat conditions affecting the bile ducts and pancreatic ducts. It is particularly useful for removing bile duct stones, relieving blockages, managing strictures, and treating selected pancreatic and biliary disorders.
What Is ERCP?
ERCP combines endoscopy with specialised X-ray imaging to examine and treat the bile ducts and pancreatic ducts. A flexible endoscope is passed through the mouth into the duodenum, where the openings of the bile and pancreatic ducts are identified.
A contrast dye may be introduced into the ducts, allowing the gastroenterologist to visualize blockages, stones, strictures, leaks, or other abnormalities. Therapeutic procedures can then be performed through the endoscope when required.
Why Is ERCP Performed?
ERCP is primarily used when a condition affecting the bile or pancreatic ducts requires endoscopic treatment.
- Common bile duct (CBD) stones
- Obstruction of the bile ducts
- Obstructive jaundice
- Bile duct strictures
- Bile duct leaks
- Selected pancreatic duct disorders
- Benign or malignant biliary obstruction
- Cholangitis associated with biliary obstruction
- Conditions requiring biliary or pancreatic stenting
How Is ERCP Performed?
ERCP is generally performed under appropriate sedation or anaesthesia. A flexible endoscope is carefully guided through the mouth, oesophagus, and stomach into the duodenum. The gastroenterologist then identifies the opening of the bile and pancreatic ducts.
Contrast material may be injected into the ducts and imaging is used to identify abnormalities. Depending on the findings, the doctor may perform procedures such as sphincterotomy, stone extraction, balloon dilatation, or stent placement during the same session.
Therapeutic Procedures During ERCP
- Removal of common bile duct stones
- Biliary sphincterotomy
- Balloon extraction of bile duct stones
- Balloon dilatation of selected strictures
- Biliary stent placement
- Pancreatic duct stent placement when indicated
- Management of selected bile duct leaks
- Sampling or evaluation of selected biliary abnormalities
ERCP for CBD Stones
ERCP is an important treatment option for stones that have moved from the gallbladder into the common bile duct. During the procedure, the bile duct opening may be enlarged and specialised instruments can be used to retrieve the stones.
In selected cases where complete stone removal is not possible during the initial procedure, a temporary or appropriate biliary stent may be placed to restore bile flow and allow further management.
ERCP for Biliary Obstruction & Jaundice
When a blockage in the bile duct causes jaundice or infection, ERCP may help restore bile drainage. Depending on the cause of obstruction, the gastroenterologist may remove stones, dilate a narrowed segment, or place a stent to maintain adequate bile flow.
Preparation & Recovery
Patients are generally required to remain fasting before ERCP. Certain medicines, particularly blood-thinning medications, may require specific instructions before the procedure. The procedure is performed under sedation or anaesthesia, and patients are monitored afterwards.
Mild throat discomfort, bloating, or temporary abdominal discomfort may occur after the procedure. Recovery time varies depending on the complexity of the ERCP and the treatment performed. Patients receive individual post-procedure instructions before discharge.
Risks & Considerations
ERCP is an advanced therapeutic procedure and, although generally safe when appropriately performed, it can have potential complications. These may include pancreatitis, bleeding, infection, perforation, or complications related to sedation. The specific risks depend on the patient's condition and the type of intervention performed.
When to Consult a Gastroenterologist?
Patients with jaundice, suspected CBD stones, bile duct obstruction, recurrent biliary symptoms, cholangitis, or certain pancreatic and biliary disorders may require evaluation by a gastroenterologist. ERCP is generally considered when endoscopic treatment is needed based on the clinical and imaging findings.
Final Thoughts
ERCP is a specialised therapeutic endoscopic procedure that can effectively manage many disorders of the bile and pancreatic ducts. It can help remove CBD stones, relieve obstruction, treat selected strictures, and restore normal bile flow without conventional surgery. Dr. Manish Dodmani provides advanced ERCP and interventional endoscopic care with a focus on safe, precise, and patient-centred treatment.