Sphincter of Oddi dysfunction: Managing the patient with chronic biliary pain

Table 1 Sphincter of Oddi dysfunction: Outcome after sphincterotomy

Author, yr	n	Milwaukee Class	Response rate (%)	Duration (mo)	Pancreatitis (%)
Neoptolemos[29] 1988	30	NS	19/30 (63%)	46	4/30 (13%)
			Manometry in 23 patients:
			Man + ve 15/18 (83%)
			Man – ve 0/5 (0%)
Rolny[39] 1993	17	Type I	17/17 (100%)	28	NS1
Sugawa[62] 2001	8	Type I	8/8 (100%)	26	0
Geenen[24] 1989	23 sphincterotomy	Type II	15/23 (65%)	12	2/47 (4%)
	(24 sham Rx)		Man + ve2 10/11 (91%)
			Man - ve2 5/12 (42%)
Toouli[31] 2000	37 sphincterotomy	Type I (9)	11/13 (85%) man+ve2	24	7/81 (9%)
	(42 sham Rx)	Type II (72)	12/24 (50%) man-ve2
	(2 excluded)
Fullarton[28] 1992	10	Type II	8/10 (80%) all man+ve2	24	NS1
Lin[72] 1998	24	Type II	19/24 (79%)	18	2/24 (8%)
			Enzyme+ve 18/20 (90%)
			Enzyme-ve 1/4 (25%)
Botoman[63] 1994	43	Type II (21)	Type II 14/21 (67%)	37	Type II
		Type III (22)	Type III 12/22 (55%)		16%
		man+ve			Type III
					15%
Bozkurt[30] 1996	23	Type II and III	19/23 (83%) man+ve2	8-62	NS1
Wehrmann[40] 1996	37 (with + ve manometry)	Type II (22)	Type II 13/22 (60%)	30	NS1
		Type III (15)	Type III 1/15 (8%)

¹NS= not specified;

²Man+ve = manometry positive; Man-ve = manometry negative.