Table 2.
Successful puncture and guidewire placement, n (%) | 20/20 (100) |
Puncture site, n (%) | |
Stomach | 18 (90) |
Jejunum | 2 (10) |
Accessed biliary branch duct, n (%) | |
B3 | 16 (80) |
B2 | 4 (20) |
Technical success of EUS-HEAS with RFA, n (%) | 16/20 (80) |
Causes of failure, n | |
Failure to insert RFA catheter through the fistula | 2 |
Failure to pass RFA catheter through the stricture | 2 |
EUS-AS, n | |
Across the papilla | 13 |
Above the papilla | 3 |
Functional success, n (%) | 16/20 (80) |
Median procedure time (range), min | 44 (15–84) |
Adverse events other than RBO, n (%) | |
Early (≤30 d), n (%) | 2/20 (10) |
Pancreatitis | 1 |
Biliary peritonitis | 1 |
Late (≥31 d), n (%) | 2/16 (13) |
Liver abscess | 1 |
Nonocclusion cholangitis | 1 |
RBO, n (%) | 4/16 (25) |
Causes of RBO, n | |
Ingrowth | 2 |
Sludge | 1 |
Overgrowth | 1 |
Median time to RBO (range), d | 276 (46–484) |
Median survival time (range), d | 184 (46–519) |
EUS-AS, endoscopic ultrasound-guided antegrade stenting; EUS-HEAS, endoscopic ultrasound-guided hepaticoenterostomy with antegrade stenting; RBO, recurrent biliary obstruction; RFA, radiofrequency ablation.