Pancreatic stents for the prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis should be inserted up to the pancreatic body or tail

Table 2 Comparison of endoscopic retrograde cholangiopancreatography procedures n (%)

	Head group (n = 131)	Body/tail group (n = 16)	P value
EST	98 (75.4)	15 (93.8)	0.12
Precut of Vater’s papilla	43 (33.1)	5 (31.3)	1
EPBD	8 (6.2)	0 (0)	0.6
Pancreatic stent migration within 1 wk	26 (19.8)	0 (0)	0.076
Procedure time, median (range), min	60 (20-150)1	60 (40-120)2	0.31
Type of stent
Zimmon 5 Fr, 2 cm	3
Zimmon 5 Fr, 4 cm	1
Geenen 5 Fr, 3 cm	59
Geenen 5 Fr, 5 cm	58
Geenen 5 Fr, 7 cm	11	12
Geenen 5 Fr, 9 cm		4
p-AMY after ERCP, median (range), IU/L	138.5 (7.0-2086)3	78.5 (5.0-1266.5)	0.03
PEP	12 (9.2)	0 (0)	0.363
Mild	2
Moderate	8
Severe	2

¹Data from three cases were not available;

²Data from one case were not available;

³Pancreatic amylase data from seven cases were not available, but the level of serum amylase was not elevated. EPBD: Endoscopic papillary balloon dilation; p-AMY: Pancreatic amylase isoenzyme; PEP: Pancreatitis.