Comparison between Submucosal Tunneling Endoscopic Resection and Endoscopic Submucosal Dissection for Prepyloric Submucosal Tumors: A Case-Matched Controlled Study
Table 2
Treatment outcomes of P-STER or ESD for prepyloric SMTs.
P-STER (12)
ESD (12)
-value
Using the snare during procedure, n (%)
Yes
5 (41.67)
3 (25.00)
0.386
No
7 (58.33)
9 (75.00)
Closure of the entry or wound using metal clips, n (%)
Yes
12
5 (41.67)
0.002
No
0
7 (58.33)
En bloc resection, n (%)
12 (100.00)
12 (100.00)
1.000
Complete resection, n (%)
Yes
11 (91.67)
9 (75.00)
0.273
No
1 (8.33)
3 (25.00)
Gastric-wall defect (GWD), n (%)
Yes
7 (58.33)
5 (41.67)
0.414
No
5 (41.67)
7 (58.33)
Resection time, mean (range), minutes
38.67 (21–57)
52.50 (40–73)
0.001
Recurrence
Yes
0 (0.00)
0 (0.00)
1.000
No
12 (100.00)
12 (100.00)
Postoperative bleeding, n (%)
Yes
0 (0.00)
1 (8.33)
0.307
No
12 (100.00)
11 (91.67)
Postoperative abdominal pain, n (%)
Yes
1 (8.33)
6 (50.00)
0.025
No
11 (91.67)
6 (50.00)
Postoperative hospital stay, median (range), day
5.50 (5–8)
7.00 (5–9)
0.008
Follow up time, mean (range), months
41.67 (6.00–62.00)
48.25 (20.00–75.00)
0.065
Approximate amount of ESD and STER conducted by operators
