Risk of respiratory complications following gastrointestinal endoscopy under monitored anesthesia care: A prospective cohort study

doi:10.3748/wjg.122191

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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

Prospective 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. Aug 14, 2026; 32(30): 122191
Published online Aug 14, 2026. doi: 10.3748/wjg.122191

Table 2 Characteristics of gastrointestinal endoscopy-associated respiratory complications, median (interquartile range)/n (%)

Item	Respiratory complications
Item	Total (n = 77)	Cough + SOB (n = 55)	Cough + fever (n = 16)	Fever + SOB (n = 3)	Cough + fever + SOB (n = 3)
Post-procedure (hours)	8.0 (4.0, 12.0)	10.0 (4.0, 12.8)	5.8 (4.2, 9.8)	6.8 (5.2, 10.9)	4.5 (4.2, 5.0)
Duration (days)	1.5 (1.0, 2.5)	1.3 (0.8, 2.5)	1.5 (1.0, 2.0)	1.0 (0.9, 1.0)	4.0 (3.0, 6.5)
Aspiration pneumonia	1 (1.2)	0 (0.0)	0 (0.0)	0 (0.0)	1 (16.7)
Further medical treatment¹	Yes: 23 (29.9)	Yes: 9 (16.4)	Yes: 10 (62.5)	Yes: 1 (33.3)	Yes: 3 (100)
Further medical treatment¹	No: 54 (70.1)	No: 46 (83.6)	No: 6 (37.5)	No: 2 (66.7)	No: 0 (0.0)

¹Pharmacotherapy, hospitalization, or further diagnosis.

SOB: Shortness of breath.

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Citation: Ma LX, Zhang LN, Zhu YZ, Wang MH, Du XB, Qi LJ, Sun J, Yi XL, Wang P, Zhou ZG, Ji XY, Zhang L. Risk of respiratory complications following gastrointestinal endoscopy under monitored anesthesia care: A prospective cohort study. World J Gastroenterol 2026; 32(30): 122191
URL: https://www.wjgnet.com/1007-9327/full/v32/i30/122191.htm
DOI: https://dx.doi.org/10.3748/wjg.122191

Ma LX, Zhang LN, Zhu YZ, Wang MH, Du XB, Qi LJ, Sun J, Yi XL, Wang P, Zhou ZG, Ji XY, Zhang L. Risk of respiratory complications following gastrointestinal endoscopy under monitored anesthesia care: A prospective cohort study. World J Gastroenterol 2026; 32(30): 122191 [DOI: 10.3748/wjg.122191]

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