Lumen-apposing metal stents for benign gastrointestinal tract strictures: An international multicenter experience

Table 3 Results of lumen-apposing metal stent placement

	Proximal esophagus(n = 5)	Distal esophagus(n = 4)	Stomach(n = 6)	Duodenum(n =4)	Colon(n = 2)	Total(n = 21)
LAMS
15 mm × 10 mm AXIOS	5 (100.0)	2 (50.0)	3 (50.0)	4 (100.0)	2 (100)	16 (76.2)
10 mm × 10 mm AXIOS			2 (33.3)			2 (9.5)
16 mm × 30 mm NAGI		2 (50.0)	1 (16.7)			3 (14.3)
Mean stent dwell time (d)	67.6	56.5	151.2	167.5	55.5	107.2
Technical success	5 (100.0)	4 (100.0)	6 (100.0)	4 (100.0)	2 (100)	21 (100.0)
Clinical success						11
Short-term	5 (100.0)	3 (75.0)	5 (83.3)	4 (100.0)	2 (100)	19 (90.5)
Long-term	1 (25.0)	2 (66.7)	5 (100.0)	3 (75.0)	1 (50.0)	212 (66.7)
Reasons for stent removal
Angulation	1	1				2
Stent migration	1	1		2		4
Stricture overgrowth			2	1		2
Ulceration			1			1
Resolution	1			11		3
Treatments after stent failure
Balloon dilation		2				2
cSEMS	1					1
15 mm × 10 mm AXIOS		1	1	1		3
16 mm × 30 mm NAGI	2	1				3