The Effectiveness of Self-Expandable Metallic Stent Insertion in Treating Right-Sided Colonic Obstruction: A Comparison between SEMS and Decompression Tube Placement and an Investigation of the Safety and Difficulties of SEMS Insertion in Right Colons

Table 1

Patient demographics and procedure details of this study.

Number	Age/sex	Obstruction location	Device	Technical result	Clinical result
Left-sided
1	62/M	Descending colon	Transanal decompression tube	Success	Success
2	65/M	Rectum	Transanal decompression tube	Success	Success
3	72/M	Rectum	Transanal decompression tube	Success	Success
4	75/M	Sigmoid colon	Transanal decompression tube	Success	Success
5	82/F	Sigmoid colon	Transanal decompression tube	Success	Failure
6	74/F	Sigmoid colon	Transanal decompression tube	Success	Success
7	77/M	Sigmoid colon	Transanal decompression tube	Success	Failure
8	80/M	Sigmoid colon	Niti-S 80 × 22 mm, BTS	Success	Success
9	60/M	Rectum	WallFlex 90 × 22 mm, BTS	Success	Success
10	90/F	Rectum	WallFlex 60 × 22 mm, BTS	Success	Success
11	84/F	Descending colon	WallFlex 60 × 22 mm, BTS	Success	Success
12	78/F	Descending colon (ovarian cancer)	WallFlex 60 × 22 mm, BTS	Success	Success
13	79/F	Descending colon	WallFlex 60 × 22 mm, BTS	Success	Success
14	88/F	Sigmoid colon	Perforation due to guide wire	Failure	NA
15	83/F	Sigmoid colon	WallFlex 90 × 22 mm, BTS	Success	Success
16	67/M	Sigmoid colon	WallFlex 60 × 22 mm, BTS	Success	Success
17	59/M	Rectum	WallFlex 60 × 22 mm, palliative	Success	Success
18	75/M	Descending colon	Niti-S 80 × 22 mm, BTS	Success	Success
19	82/M	Sigmoid colon	Niti-S 80 × 22 mm, BTS	Success	Success
Right-sided
1	56/M	Ascending colon	Transnasal decompression tube	Success	Success
2	75/M	Ascending colon	Transnasal decompression tube	Success	Success
3	74/M	Cecum	Transnasal decompression tube	Success	Success
4	63/F	Ascending colon	Transnasal decompression tube	Success	Success
5	77/M	Cecum	Transnasal decompression tube	Success	Failure
6	78/M	Cecum	Transnasal decompression tube	Success	Failure
7	84/M	Ascending colon	Transnasal decompression tube	Success	Success
8	72/M	Ascending colon	Transnasal decompression tube	Success	Failure
9	69/M	Ascending colon	Transnasal decompression tube	Success	Failure
10	33/F	Splenic flexure	WallFlex 60 × 22 mm, BTS	Success	Success
11	78/M	Transverse colon	WallFlex 60 × 22 mm, BTS	Success	Success
12	58/M	Ascending colon	Niti-S 80 × 22 mm, BTS	Success	Success
13	77/F	Transverse colon	Niti-S 80 × 22 mm, BTS	Success	Success
14	72/F	Ascending colon	Niti-S 80 × 22 mm, BTS	Success	Success
15	54/F	Ascending colon	Niti-S 80 × 22 mm, BTS	Success	Success
16	80/F	Ascending colon	Niti-S 80 × 22 mm, BTS	Success	Success
17	85/M	Transverse colon	Niti-S 80 × 22 mm, palliative	Success	Success
18	81/F	Ascending colon	Niti-S 100 × 22 mm, palliative	Success	Success

BTS: bridge to surgery.