A Roux-en-Y (side-to-end) pancreaticojejunostomy is used for internal drainage of pancreatic duct leaks that may result from trauma, surgery, or acute pancreatitis. Pancreatic leaks that occur at the body and tail of the pancreas may be treated with a distal pancreatectomy. However, a leak from the pancreatic duct in a chronically inflamed pancreas may be more safely managed with a Roux-en-Y pancreaticojejunostomy because resection of the pancreas in this setting carries a higher risk of morbidity.
The procedure involves creating a Roux-en-Y limb of jejunum, and suturing it to the area of injury or leak on the pancreatic capsule, so as to provide internal (enteric) drainage of the ductal secretions.
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