Traction-preclosure-assisted vs conventional endoscopic full-thickness resection for gastric subepithelial tumors: Safety, efficacy in a retrospective cohort (with video)

doi:10.3748/wjg.v32.i19.112955

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Gastroenterol. May 21, 2026; 32(19): 112955
Published online May 21, 2026. doi: 10.3748/wjg.v32.i19.112955

Table 2 Comparison of procedural characteristics between the two groups, n (%)

Procedural characteristics	Control group (n = 129)	Experimental group (n = 85)	χ²/t/Z	P value
En bloc resection rate			χ² = 0.000	> 0.999
Yes	127 (98.4)	84 (98.8)
No	2 (1.6)	1 (1.2)
Complete resection rate			χ² = 4.156	0.041
Yes	112 (86.8)	81 (95.3)
No	17 (13.2)	4(4.7)
Operation time, minutes, median (IQR)	70.0 (39.5)	60.0 (40.0)	Z = 1.985	0.047
NRS pain score			χ² = 1.735	0.188
Mild pain	83 (64.3)	62 (72.9)
Moderate pain	46 (35.7)	23 (27.1)
Adverse events			χ² = 0.284	0.867
Grade I	7 (5.4)	4 (4.7)
Grade II	8 (6.2)	4 (4.7)
None	114 (88.4)	77 (90.6)
Hospitalization expenses, thousand yuan, median (IQR)	12.9 (11.4)	11.3 (14.0)	Z = 1.614	0.107
Postoperative time to resume defecation, hours, median (IQR)	19.0 (6.5)	19.0 (6.0)	Z = 0.534	0.593
Postoperative time to resume diet, hours, median (IQR)	56.0 (24.0)	56.0 (24.0)	Z = 0.291	0.771
Postoperative hospitalization time, days, median (IQR)	5.0 (2.0)	5.0 (2.0)	Z = 1.494	0.135

IQR: Interquartile range.

Full Size Table

Citation: Li X, Zhang RY, Wen XD, Li XQ, Liu WH. Traction-preclosure-assisted vs conventional endoscopic full-thickness resection for gastric subepithelial tumors: Safety, efficacy in a retrospective cohort (with video). World J Gastroenterol 2026; 32(19): 112955
URL: https://www.wjgnet.com/1007-9327/full/v32/i19/112955.htm
DOI: https://dx.doi.org/10.3748/wjg.v32.i19.112955

Li X, Zhang RY, Wen XD, Li XQ, Liu WH. Traction-preclosure-assisted vs conventional endoscopic full-thickness resection for gastric subepithelial tumors: Safety, efficacy in a retrospective cohort (with video). World J Gastroenterol 2026; 32(19): 112955 [DOI: 10.3748/wjg.v32.i19.112955]

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