Self-Expanding Metal Stenting for Palliation of Patients with Malignant Colonic Obstruction: Effectiveness and Efficacy on 255 Patients with 12-Month's Follow-up

Table 3

Procedural and cumulative safety data.

Adverse event	Procedure (𝑛=255)	Cumulative (𝑛=94)
Perforation	1.2% (3/255)	13.8% (13/94)
Stent migration	0.4% (1/255)	12.8% (12/94)
Reobstruction due to
Ingrowth	—	10.6% (10/94)
Overgrowth	—	6.4% (6/94)
Faecal impaction	—	8.5% (8/94)
Mucosal/bowel impaction into stent oral	—	3.2% (3/94)
Mucosal/bowel impaction into stent anal	—	1.1% (1/94)
Stent patent but second colonic obstruction	—	2.1% (2/94)
Bleeding	0.4% (1/255)	4.3% (4/94)
Pain	1.2% (3/255)	4.3% (4/94)
Persistent obstruction	0.4% (1/255)	1.1% (1/94)
Other	—	21.3% (20/94)
Total AEs	3.5% (9/255)	74.5% (70/94)