Research Article
Endoscopic Ultrasound-Guided Biliary Drainage Using Self-Expandable Metal Stent for Malignant Biliary Obstruction
Table 1
Demographic and clinical characteristics of the study patients undergoing EUS-BD.
| Characteristics | EUS-guided biliary drainage (n = 24) |
| Age, mean (SD), years | 64.8 (11.4) | Sex, male, n (%) | 13 (54.2) | Causes of biliary obstruction, n (%) | Pancreatic cancer | 9 (37.5) | Cholangiocarcinoma | 5 (20.8) | Ampullary cancer | 5 (20.8) | Metastatic gastric cancer | 3 (12.5) | Metastatic gallbladder cancer | 1 (4.2) | Metastatic ureteral carcinoma | 1 (4.2) | Reasons for ERCP failure, n (%) | Duodenal stenosis | 7 (29.2) | Tumor infiltrating papilla | 7 (29.2) | Failed deep biliary cannulation | 4 (16.7) | Preexisting duodenal stent | 2 (8.3) | Gastric outlet obstruction | 2 (8.3) | Surgically altered anatomy | 1 (4.2) | Periampullary duodenal diverticulum | 1 (4.2) | Presence of ascites, n (%) | 4 (16.7) | Previous duodenal stent, n (%) | 3 (12.5) |
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