Table 2.
Outcome measure | n=33, n (%) |
---|---|
Cause of RBO after EUS-HGS | |
Food impaction or sludge formation | 19 (57.6) |
Distal MBO/proximal MBO | 11 (33.3)/8 (24.2) |
Hyperplasia at uncovered stent part | 9 (27.3) |
Distal MBO/proximal MBO | 7 (21.2)/2 (13.3) |
Additional biliary stricture | 5 (15.2) |
Distal MBO/proximal MBO | 0 (0)/5 (15.2) |
Technical success | 33 (100) |
Clinical success | 27 (81.8) |
Distal MBO/proximal MBO | 17 (94.4)/10 (66.7) |
Procedure time, median (IQR) | 35 (29–50) |
Type of endoscope | |
Gastroscope/duodenoscope/echoendoscope | 5 (15.2)/27 (81.8)/1 (3.0) |
Location of guidewire and catheter insertion | |
Distal end of the existing HGS stent | 20 (60.6) |
Stent mesh of the existing HGS stent | 10 (30.3) |
HGS fistula after removal of the HGS stent | 3 (9.1) |
Reintervention method | |
Stent cleaning | 5 (15.2) |
Additional HGS stent placement | 20 (60.6) |
Antegrade stent placement | 5 (15.2) |
Additional HGS and antegrade stent placement | 3 (9.1) |
Adverse events | |
Liver abscess | 1 (3.0) |
HGS: Hepaticogastrostomy; EUS-HGS: EUS-guided HGS; IQR: Interquartile range; MBO: Malignant biliary obstruction; RBO: Recurrent biliary obstruction