Trusted medical platform in Jordan
تصوير البنكرياس والأقنية الصفراوية بالتنظير الباطني بالطريق الراجع
Endoscopic retrograde cholangiopancreatography, or ERCP, combines endoscopy and X-ray imaging in a single session. A specialised side-viewing endoscope is passed through the mouth, oesophagus and stomach into the first part of the small intestine, where the bile duct and pancreatic duct open through a small orifice called the ampulla of Vater. The opening is cannulated with a fine wire and catheter, contrast is injected, the ducts are imaged with X-rays, and the problem is then treated from within during the same session. ERCP today is primarily therapeutic rather than diagnostic. Purely diagnostic imaging of the ducts is now done with magnetic resonance cholangiography or endoscopic ultrasound, and ERCP is reserved for patients who genuinely need work inside the duct. The commonest indications are a stone impacted in the bile duct with jaundice or ascending cholangitis, a stricture requiring dilation or a stent, a bile leak after gallbladder surgery, and sampling or brushing of a suspicious narrowing. Its limits must be stated plainly. ERCP does not remove the gallbladder and does not prevent new stones from forming, so clearing a stone from the duct does not remove the need for later gallbladder surgery if the gallbladder is the source. It is not an investigation for unexplained abdominal pain or indigestion, it does not treat chronic pancreatitis, and it should not be requested for a mildly abnormal liver profile with no evidence of obstruction. This procedure carries a higher risk of complications than routine endoscopy. The best known is post-procedure pancreatitis, followed by bleeding after sphincterotomy, infection and perforation. These events are uncommon but real, and the team follows specific preventive measures during and after the session. For that reason the expected benefit is always weighed against the risk, and suitability is settled by clinical assessment, imaging and laboratory results rather than by reading about the technique. ERCP is performed under deep sedation or general anaesthesia, so you need an escort and must not drive afterwards, and selected cases require an overnight stay for observation. If a stent is placed, know its type and the date it must be removed or exchanged, because missing that appointment is a well-recognised cause of later problems.
Symptoms, liver tests, blood count and clotting are reviewed and imaging with ultrasound or MR cholangiography is completed, to confirm that work inside the duct is genuinely needed rather than a diagnosis a lower-risk test could provide.
An intravenous line is placed and deep sedation or general anaesthesia is started with monitoring of pulse, oxygen and blood pressure. You lie on a fluoroscopy table in a position that allows the ducts to be imaged during the work.
The endoscope is advanced to the first part of the small bowel and the ampulla is identified, then cannulated with a fine guidewire and catheter. Contrast is injected so the bile or pancreatic duct is outlined on X-ray and the site of obstruction or narrowing becomes clear.
Depending on the findings: a small cut in the ampulla to widen the outlet, stone extraction with a basket or balloon, fragmentation of large stones, dilation of a stricture, placement of a stent to drain bile, and biopsy or brushing of a suspicious area.
You are observed for several hours after waking to detect pain, fever or bleeding, and blood tests or an overnight stay may be required. The follow-on plan is then set: gallbladder surgery if needed, the date for stent removal or exchange, and the biopsy result.
Fasting from food and fluids before the appointment is mandatory, because the procedure is done under deep sedation or general anaesthesia; follow the timing you are given exactly. Tell your doctor about all your medications, especially blood thinners, anticoagulants and diabetes drugs, as some must be stopped or adjusted beforehand and clotting tests may be requested. Also report allergy to X-ray contrast, medicines or latex, any heart or lung disease, a heart valve, a pacemaker, or pregnancy, since fluoroscopy is part of the procedure. Mention previous surgery on the stomach, gallbladder or bile ducts, as this changes the route of access. Remove dentures and jewellery before entering the room and wear comfortable clothing. Arrange an adult escort to take you home, and be prepared for a possible overnight stay for observation if your condition requires it.
After waking expect drowsiness, bloating and a mildly sore throat; food and drink are restarted gradually only with the team's approval. Seek emergency care immediately for severe upper abdominal pain radiating to the back with vomiting, the key sign of post-procedure pancreatitis, or for fever and chills, deepening yellowing of the eyes and skin, vomiting blood or black tarry stools, chest pain and breathlessness, or a distended, rigid abdomen. These indicate the rare complications of pancreatitis, ascending infection, bleeding and perforation, all of which are managed best when caught early. Do not drive, drink alcohol or sign important documents on the day of sedation, and do not spend that night alone. Restart blood thinners on the date your doctor specifies. If a stent was placed, record the date for removal or exchange and keep it, and do not postpone gallbladder surgery if it has been recommended.
Usually 30 to 90 minutes depending on complexity, with two to several hours of observation, and an overnight stay in selected cases.
Dr Mohammad Mahmoud Rashid is a consultant in gastroenterology, hepatology and endoscopy with British postgraduate qualifications. His clinical work covers live…
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