Covered Metal Stenting for Malignant Lower Biliary Stricture with Pancreatic Duct Obstruction: Is Endoscopic Sphincterotomy Needed?

Table 3

Comparison of complications between the FC and PC groups within the non-EST group.

	FC group (𝑛=13)	PC group (𝑛=28)	P value
Serum amylase level (IU/L, mean ± SD)
Before CSEMS placement	100 ± 101	108 ± 101	0.441
3 hours after CSEMS placement	141 ± 102	133 ± 112	0.695
1 day after CSEMS placement	201 ± 201	162 ± 180	0.547
2 days after CSEMS placement	135 ± 126	163 ± 165	0.933
Complications (%)	3 (23.1)	3 (10.7)	0.570
Pancreatitis	0 (0)	1 (3.6)	0.691
Cholecystitis	2 (15.4)	0 (0)	0.177
Cholangitis	0 (0)	0 (0)
Bleeding	0 (0)	0 (0)
Liver abscess	0 (0)	0 (0)
Migration	1 (7.7)	2 (7.1)	0.561

FC: fully covered type. PC: partially covered type. EST: endoscopic sphincterotomy.
CSEMS: covered self-expandable metal stent.