TABLE 2.

Overall outcomes of endoscopic bilateral stent‐in‐stent placement (n = 46)

Technical success, n (%)	43 (93.5)
Technical success in high‐volume care referral center	34 (91.9)
Technical success in non‐high‐volume center	9 (100)
Technical failure, n (%)	3 (6.5)
Failure in the passage of first SEMS delivery into bile duct stenosis	1
Failure in guidewire insertion into first SEMS mesh	1
Failure in the passage of second SEMS delivery into first SEMS mesh	1
Procedure time, median (range), minutes*	48 (15–131)
Additional dilation procedure, n (%)	23 (50.0)
Dilation of bile duct stenosis before first SEMS deployment	5 (10.9)
Dilation of first SEMS and/or SEMS mesh before second SEMS deployment	19 (41.3)
Clinical success on ITT analysis, n (%)	42 (91.3)
Clinical success on PP analysis, n (%)	40/43 (93.0)

Abbreviations: ITT, intention‐to‐treat; PP, per‐protocol; SEMS, self‐expandable metal stent.

*Including the patients with technical failure.