Comparison on the Efficacy between Partially Covered Self-Expandable Metal Stent with Funnel-Shaped Enlarged Head versus Uncovered Self-Expandable Metal Stent for Palliation of Gastric Outlet Obstruction
Table 2
Clinical outcomes of 47 patients who achieved technical success.
Enlarged-head group ()
uSEMS group ()
value
Clinical success
21/24 (87.5)
20/23 (87.2)
1.00
Short-term outcomes
Median procedure time (min)
13 (5–40)
14 (5–30)
0.901
Length of stent
9.08 ± 1.50
8.65 ± 2.30
0.46
Chemotherapy after stent placement
3/24 (12.5)
6/23 (26.1)
0.286
Oral intake status after stent placement
0.197
Liquid
3 (12.5)
4 (17.4)
Soft solid
7 (29.2)
12 (52.2)
Low-residual or full diet
14 (58.3)
6 (26.1)
Median GOOSS
Prestent placement
1 (0–2)
1 (0–2)
0.505
Poststent placement
3 (1–3)
2 (1–3)
0.200
Long-term outcomes
Recurrent symptoms
9 (37.5)
8 (34.8)
1.00
Stent patency, days
87.1 (8–358)
60.4 (2–231)
0.204
Survival duration, days
99.3 (19–358)
82.1 (11–231)
0.418
Tumor ingrowth
2 (8.3)
8 (34.8)
0.036
Stent migration
4 (16.7)
1 (4.34)
0.348
Values are n (%) or mean ± SD or median (range). SEMS: self-expandable metallic stent; GOOSS: gastric outlet obstruction scoring system.