Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 7, 2015; 21(5): 1580-1587
Published online Feb 7, 2015. doi: 10.3748/wjg.v21.i5.1580
Table 2 Main outcomes and complications
Stent type
P value
Uncovered(n = 38)Covered(n = 29)
Technical success38 (100)28 (96.6)0.433
Clinical success34 (89.5)24 (82.8)0.485
GOOSS score
Pre-stenting (0/1/2/3)31/3/4/025/2/2/00.5841
Post-stenting (0/1/2/3)4/10/18/615/11/10/320.1661
Causes of clinical failure4 (10.5)4 (13.8)0.485
Poor expansion2 (5.3)0 (0.0)0.502
Migration0 (0.0)2 (6.9)0.184
Perforation0 (0.0)1 (3.4)0.433
Peritoneal seeding1 (2.7)0 (0.0)1.000
Septic shock1 (2.7)1 (3.4)1.000
Complications12 (31.6)12 (41.4)0.407
Migration0 (0.0)6 (20.7)0.005
Tumor ingrowth6 (15.8)1 (3.4)0.129
Perforation0 (0.0)2 (6.9)0.184
Biliary obstruction3 (7.9)0 (0.0)0.252
Stent collapse0 (0.0)3 (10.3)0.076
Poor expansion2 (5.3)0 (0.0)0.502
Food impact1 (2.6)0 (0.0)1.000
Retreatment rate12 (31.6)10 (34.5)0.802
Stenting5 (13.2)9 (31.0)0.075
Operation1 (2.6)1 (3.4)1.000
Removal of food materials1 (2.6)0 (0.0)1.000
Ballooning2 (5.3)0 (0.0)0.502
PTBD3 (7.9)0 (0.0)0.252
30-d mortality6 (15.8)8 (27.6)0.239
Median time interval to reintervention from initial intervention (d)60 (14-251)71 (2-147)0.573