One of the problems that can lead to failure of the<unk>  is that pain can persist due to failure to drain the pancreatic duct on the head of the pancreas. A Frey's procedure is an alternative surgical procedure to the<unk>  that allows for better drainage of the head, but pancreatic tissue is removed.
Puestow procedure
Krukenberg procedure
Blalock–Hanlon procedure
Brunelli procedure
Kawashima procedure
Mumford procedure
Sugiura procedure
Broström procedure