Clinical outcomes of self-expandable stent placement for benign esophageal diseases: A pooled analysis of the literature

Table 2 Pooled analysis of 232 patients with refractory benign esophageal strictures according to Kochman’s criteria treated with self-expandable stent placement n (%)

Stricture etiology
Anastomotic strictures	69 (29.7)
Peptic strictures	58 (25.0)
Radiation strictures	36 (15.5)
Caustic strictures	29 (12.5)
Others	26 (11.2)
Unknown	14 (6.0)
Stent type
FC SEMS	85 (36.6)
BD stent	77 (33.2)
SEPS	70 (30.2)
PC SEMS	0 (0)
Technical success
Overall	229 (98.7)
FC SEMS	85 (100)
BD stent	77 (100)
SEPS	67 (95.7)
Clinical success
Overall (n = 231)	56 (24.2)
FC SEMS (n = 85)	12 (14.1)
BD stent (n = 76)	25 (32.9)
SEPS (n = 70)	19 (27.1)

FC SEMS: Fully covered self-expandable metal stent; BD stent: Biodegradable stent; SEPS: Self-expandable plastic stent; PC SEMS: Partially covered self-expandable metal stent.