Clinical Study
Covered Metal Stenting for Malignant Lower Biliary Stricture with Pancreatic Duct Obstruction: Is Endoscopic Sphincterotomy Needed?
Table 2
Comparison of complications between the EST and non-EST groups.
| | EST group () | Non-EST group () | P value |
| Serum amylase level (IU/L, mean ± SD) | | | | Before CSEMS placement | 130 ± 196 | 106 ± 100 | 0.563 | 3 hours after CSEMS placement | 171 ± 232 | 136 ± 108 | 0.638 | 1 day after CSEMS placement | 149 ± 182 | 174 ± 185 | 0.324 | 2 days after CSEMS placement | 118 ± 142 | 154 ± 153 | 0.144 | Complications (%) | 7 (18.4) | 6 (14.6) | 0.650 | Pancreatitis | 1 (2.6) | 1 (2.4) | 0.508 | Cholecystitis | 2 (5.3) | 2 (4.9) | 0.969 | Cholangitis | 1 (2.6) | 0 (0) | 0.969 | Bleeding | 1 (2.6) | 0 (0) | 0.969 | Liver abscess | 1 (2.6) | 0 (0) | 0.969 | Migration | 1 (2.6) | 3 (7.3) | 0.663 |
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EST: endoscopic sphincterotomy. CSEMS: covered self-expandable metal stent.
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