Comparison of an Inside Stent and a Fully Covered Self-Expandable Metallic Stent as Preoperative Biliary Drainage for Patients with Resectable Perihilar Cholangiocarcinoma
Table 2
Univariable and multivariable analyses of reinterventions.
(2a) IS
Variable
Reintervention
value
With (n = 7)
Without (n = 44)
Univariate
Multivariate
Bismuth-Corlette classification, n (%)
0.187
0.309
I/II
0 (0.0)
9 (20.4)
III/IV
7 (100.0)
35 (79.6)
Previous endoscopic sphincterotomy, n (%)
0.355
With
4 (57.1)
17 (38.6)
Without
3 (42.9)
27 (61.4)
Stenosis length over 20 mm, n (%)
0.402
With
5 (71.4)
24 (54.5)
Without
2 (28.6)
20 (45.5)
Obstruction of the bile duct branch, n (%)
0.250
With
6 (85.7)
28 (63.6)
Without
1 (14.3)
16 (36.4)
Distance of over 10 mm from stenosis to the first branch, n (%)
0.401
With
1 (14.3)
13 (29.5)
Without
6 (85.7)
31 (70.5)
(2b) FCSEMS
Variable
Reintervention
value
With (n = 3)
Without (n = 32)
Univariate
Multivariate
Bismuth-Corlette classification, n (%)
0.002
0.068
I/II
0 (0.0)
26 (81.2)
III/IV
3 (100.0)
6 (18.8)
Previous endoscopic sphincterotomy, n (%)
0.581
With
2 (66.7)
16 (50.0)
Without
1 (33.3)
16 (50.0)
Stenosis length over 20 mm, n (%)
0.805
With
2 (66.7)
19 (59.4)
Without
1 (33.3)
13 (40.6)
Obstruction of the bile duct branch, n (%)
<0.001
0.008; HR 29.8, 95%CI 2.5–350.1
With
2 (66.7)
1 (3.1)
Without
1 (33.3)
31 (96.9)
Distance of over 10 mm from stenosis to the first branch, n (%)
0.027
0.127
With
0 (0.0)
21 (65.6)
Without
3 (100.0)
11 (34.4)
IS, inside stent; FCSEMS, fully covered self-expandable metallic stent.