Management of patients with sphincter of Oddi dysfunction based on a new classification

Table 2 Detailed classification, treatment and outcomes associated with sphincter of Oddi dysfunction

	n (%)
SOD biliary type	229/305 (75.08)
EST preferred	213/229 (93.01)
Improved	202/213 (94.83)
Good	182/202 (90.10)
Moderate	10/202 (4.95)
Poor	10/202 (4.95)
Failed	11/213 (5.16)
Exploratory laparotomy	29/229 (12.66)
Choledochointestinal anastomosis	21/29 (72.41)
Sphincter of Oddi plasty	8/29 (27.59)
Conservative treatment	8/29 (27.59)
Pancreatic type SOD	16/305 (5.25)
EPS preferred	13/16 (81.25)
Improved	10/13 (76.92)
Good	8/10 (80.00)
Moderate	2/10 (20.00)
Failed	3/13 (23.08)
Pancreatojejunal anastomosis	8/16 (50.00)
Double-duct type SOD	19/305 (6.23)
EST preferred	11/19 (57.89)
Improved	7/11 (63.64)
Failed	4/11 (36.36)
Exploratory laparotomy	12/19 (63.16)
Choledocho-, pancreato-intestinal anastomosis	7/12 (58.33)
Pancreatic head resection, choledocho-intestinal anastomosis	1/12 (8.33)
Duodenopancreatectomy	1/12 (8.33)
Biliary sphincterotomy, pancreato-intestinal anastomosis	3/12 (25.00)
Biliary-pancreatic reflux type SOD	41/305 (13.44)
EST preferred	34/41 (82.93)
Improved	20/34 (58.82)
Failed	14/34 (41.18)
Laparotomic BPD	16/41 (39.02)
Conservative treatment	5/41 (12.16)

SOD: Sphincter of Oddi dysfunction; EST: Endoscopic sphincterotomy; EPS: Endoscopic pancreatic duct sphincterotomy; BPD: Biliopancreatic diversion.