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Self-expandable metallic stents "play an important role in the management of malignant obstructing lesions in the gastrointestinal tract." [2] A stent may be inserted into the common bile duct during an endoscopic retrograde cholangiopancreatography, especially if gallstone removal is deemed too risky. [3]
The bile duct is cannulated with the assistance of a guidewire and the sphincter of Oddi that is located at its base is typically cut. A wire is kept in the bile duct, and the SEMS is deployed over the wire in a similar fashion as esophageal stents. The location of the SEMS is confirmed by fluoroscopy. [17]
Coronary stents are placed during a coronary angioplasty.The most common use for coronary stents is in the coronary arteries, into which a bare-metal stent, a drug-eluting stent, a bioabsorbable stent, a dual-therapy stent (combination of both drug and bioengineered stent), or occasionally a covered stent is inserted.
Anastomotic stricture can lead to cholangitis, or inflammation of the bile duct. [1] Narrowing of the bile duct leads to a buildup of pressure, causing the intercellular gaps to widen, exposing the cells to microorganisms found within the bile, resulting in inflammation. [18] Symptoms include jaundice and pain in the upper right quadrant.
Other procedures associated with ERCP include the trawling of the common bile duct with a basket or balloon to remove gallstones and the insertion of a plastic stent to assist the drainage of bile. [11] Also, the pancreatic duct can be cannulated and stents be inserted. The pancreatic duct requires visualisation in cases of pancreatitis.
Some uses for this procedure includes: drainage of bile/infected bile to relieve obstructive jaundice, to place a stent to dilate a stricture in the biliary system, stone removal, and rendezvous technique [4] where guidewire from the common bile duct (CBD) meets with duodenoscope (coming from the oesophagus into the stomach and then duodenum) at the major duodenal papilla.
Cholecystectomy is the surgical removal of the gallbladder.Cholecystectomy is a common treatment of symptomatic gallstones and other gallbladder conditions. [1] In 2011, cholecystectomy was the eighth most common operating room procedure performed in hospitals in the United States. [2]
Cholecystostomy or (cholecystotomy) is a medical procedure used to drain the gallbladder through either a percutaneous or endoscopic approach. The procedure involves creating a stoma in the gallbladder, which can facilitate placement of a tube or stent for drainage, first performed by American surgeon, Dr. John Stough Bobbs, in 1867.
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