Table 2.

Complications over 30 days and reintervention

Reason for reintervention	No. of patients	Time to onset (weeks)	Reintervention
Cholangitis due to food impaction or sludge	9	3.0, 4.1, 7.0, 7.1, 8.1, 8.2, 8.5, 14.0, 26.4	Stent cleaning using a stone retrieval balloon catheter
Tumor ingrowth at proximal side of the stent	4	8.5, 11.7, 23.8, 34.0	Additional metallic stent placement (3), nasobiliary drainage (1)
Tumor ingrowth at distal side of the stent	1	20.8	Additional metallic stent placement
Stent dislocation	2	46.2, 71.1	Stent trimming using argon plasma coagulation