Effect of endoscopic sphincterotomy and endoscopic papillary balloon dilation endoscopic retrograde cholangiopancreatographies on the sphincter of Oddi

Table 1 Comparison of clinical data between the two groups, n (%)

Group	EST group (n = 24)	EPBD group (n = 67)
Gender
Man	8 (33.33)	35 (52.24)
Woman	16 (66.67)	32 (47.76)
Age (yr)
< 60	22 (91.67)	33 (49.25)
≥ 60	2 (8.33)	34 (50.75)
History of hypertension	13 (54.17)	33 (49.25)a
History of diabetes	16 (66.67)	35 (52.34)a
History of choledocholithiasis	18 (75.00)	36 (53.73)
History of pancreatitis	19 (79.17)	28 (41.79)
Hyperbilirubin	13 (54.17)	34 (50.75)
Small diameter of common bile duct	11 (45.83)	31 (46.27)
Ampullary diverticulum	10 (41.67)	30 (44.78)
Oddi sphincter dysfunction	20 (83.33)	21 (31.34)a

^aP < 0.05 was considered statistically significant.

EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon.

Table 2 Analysis of influencing factors, n (%)

Group	EST group (n = 24)	EPBD group (n = 67)
Pancreatic development	18 (75.00)	30 (44.78)a
ERCP type	12 (50.00)	34 (50.75)
Sphincterotomy of pancreatic duct	14 (58.33)	27 (40.30)a
Oddi sphincter manometry	13 (54.17)	47 (70.15)a
Choledochal sphincterotomy	6 (25.00)	30 (44.78)
Operation duration (> 1 h)	5 (20.83)	14 (20.90)
ERCP surgical outcome	2 (8.33)	14 (20.90)a
difficult intubation	16 (66.67)	21 (31.34)a
The guide wire enters the pancreatic duct several times	16 (66.67)	64 (95.52)a

^aP < 0.05 was considered statistically significant.

EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon.

Table 3 Effect on Oddi sphincter of several main operative methods, n (%)

Group	EST group (n = 24)	EPBD group (n = 67)
Stone recurrence	3 (12.50)	4 (5.97)a
Refluxing cholangitis	2 (8.33)	2 (3.00)a
Cholecystitis	4 (16.67)	1 (1.49)a

^aP < 0.05 was considered statistically significant.

EST: Endoscopic sphincterotomy; EPBD: Endoscopic papillary balloon.