Safety and efficacy of a partially covered self-expandable metal stent in benign pyloric obstruction

Table 1 Patient characteristics and results of partially covered self-expandable metal stent

Case No.	Sex/age (yr)	Etiology	Number of prior endoscopic balloon dilatation	Stent name, company	Stent diameter (mm)	Stent length (mm)	Symptom change1	Adverse event	Duration of stenting (mo)	Removal of stent	Follow up duration (mo)
1	M/64	DU	No	Niti-S	20	120	1 - > 3	No	6	Yes	22
2	M/49	DU + GU	No	Hanaro	20	70	1 - > 3	No	17	No2	17
3	M/68	DU + GU	No	Hanaro	20	130	1 - > 3	No	6	Yes	12
4	M/51	DU	No	Hanaro	20	90	1 - > 3	No	6	Yes	8
5	M/52	DU + GU	No	Hanaro	20	110	1 - > 3	No	6	No	5
6	M/40	DU + GU	2	Niti-S	20	120	1 - > 3 - > 23	No	4	Yes	43
7	F/71	DU	1	Bona	22	120	1 - > 3	No	19	No	19
8	M/44	DU + GU	1	Niti-S	20	120	1 - > 3	Migration	1	NA	10
9	M/71	DU + GU	1	Hanaro	20	130	1 - > 3 - > 1 - > 34	No	4	No4	4
10	M/59	DU	1	Hanaro	20	90	1- > 3	Migration	10 d	NA	4

¹Evaluated by gastric outlet obstruction scoring system (GOOSS) score;

²Failure of removal of stent;

³Aggravated symptoms by GOOSS score 3 to 2 after removal of stent;

⁴Symptoms were aggravated by GOOSS score 3 to 1 after removal of stent. After stent was reinserted 2 mo later, the symptoms were improved by GOOSS score 1 to 3. DU: Duodenal ulcer; GU: Gastric ulcer; NA: Not available.