Effects of transcutaneous electrical acupoint stimulation on colonic spasm during colonoscopy: A randomized controlled trial

doi:10.4253/wjge.123453

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World Journal of Gastrointestinal Endoscopy

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1948-5190

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

Randomized Controlled Trial

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 Gastrointest Endosc. Sep 16, 2026; 18(9): 123453
Published online Sep 16, 2026. doi: 10.4253/wjge.123453

Table 2 Comparison of perioperative outcomes, n (%)/mean ± SD/median (interquartile range)

	TEAS group (n = 71)	Control group (n = 71)	P value
Colonic spasm	7 (9.86)	17 (23.94)	0.025^a
Spasm duration (s)	20.71 ± 11.19	40.88 ± 23.59	0.010^a
Hypotension	14 (19.72)	25 (35.21)	0.039^a
Hypoxemia	9 (12.68)	7 (9.86)	0.596
Requirement for norepinephrine	11 (15.49)	21 (29.58)	0.045^a
PDR	33 (46.48)	25 (35.21)	0.172
Colonoscope insertion time¹ (s)	444 (271-615)	482 (333-686)	0.285

¹The time required from the start of colonoscope insertion until the ileocecal valve was reached.

^aP < 0.05 vs the control group.

TEAS: Transcutaneous electrical acupoint stimulation; PDR: Polyp detection rate.

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Citation: Chen JQ, Xing F, Cheng D, Qu MC, Ren YH, Yang ZH, Jing MZ, He YN, Yuan YZ, Li HX, Xing N. Effects of transcutaneous electrical acupoint stimulation on colonic spasm during colonoscopy: A randomized controlled trial. World J Gastrointest Endosc 2026; 18(9): 123453
URL: https://www.wjgnet.com/1948-5190/full/v18/i9/123453.htm
DOI: https://dx.doi.org/10.4253/wjge.123453

Chen JQ, Xing F, Cheng D, Qu MC, Ren YH, Yang ZH, Jing MZ, He YN, Yuan YZ, Li HX, Xing N. Effects of transcutaneous electrical acupoint stimulation on colonic spasm during colonoscopy: A randomized controlled trial. World J Gastrointest Endosc 2026; 18(9): 123453 [DOI: 10.4253/wjge.123453]

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