Safety and efficacy of Kaffes intraductal self-expanding metal stents in the management of post-liver transplant anastomotic strictures

Table 8 Intraductal fully covered self-expanding metal stents studies (18, 19, 22, 26, 27, 28)

Ref.	Sissingh et al[22], 2023	Warner et al[18], 2020	Martins et al[27], 2018	Tal et al[26], 2017	Cote et al[28], 2016	Kaffes et al[19], 2014
n	80	62	59	48	73	20
FCSEMS removal protocol, months	6	3	6	4-6	6-12	3
Median stent indwelling time, months	NA	10	5	6	6	4
Stricture resolution (%)	93	96	83	100	89	100
Stricture recurrence (%)	33	25	32	21	15	30
Migration rate (%)	16	NA	10	21	45	0
Acute pancreatitis (%)	7	5	13	NA	6	NA
Cholangitis rate (%)	7	4	2	NA	3	10
Bile duct perforation (%)	0	2	NA	NA	NA	NA

FCSEMS: Fully covered self-expanding metal stents; NA: Not available.