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

doi:10.3748/wjg.122191

Advanced Search

BPG is committed to discovery and dissemination of knowledge

Home / Archive / Volume 32, Issue 30

This Article

(33)

(23)

(0)

(25)

(640)

Peer-Review Report of This Article

CrossCheck and Google Search of This Article

Academic Rules and Norms of This Article

Supplementary Materials of This Article

Citation of this article

Corresponding Author of This Article

Research Domain of This Article

Article-Type of This Article

Open-Access Policy of This Article

Times Cited Counts in Google of This Article

Journal Information of This Article

Publication Name

World Journal of Gastroenterology

ISSN

1007-9327

Publisher of This Article

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 1 Baseline characteristics of the study population, mean ± SD/n (%)

Variables	Total (n = 7230)	MAC		P value
Variables	Total (n = 7230)	MS (n = 1531)	DS/GA (n = 5699)	P value
Age (years)	52.1 ± 12.7	53.1 ± 13.1	51.9 ± 12.6	< 0.001
Sex				0.002
Male	3579 (49.5)	812 (53.0)	2767 (48.6)
Female	3651 (50.5)	719 (47.0)	2932 (51.4)
BMI (kg/m²)	24.7 ± 3.4	25.4 ± 4.4	24.5 ± 3.1	< 0.001
ASA classification				< 0.001
I	3012 (41.7)	452 (29.5)	2560 (44.9)
II	3605 (49.9)	802 (52.4)	2803 (49.2)
≥ III	613 (8.5)	277 (18.1)	336 (5.9)
Smoker	271 (3.7)	76 (5.0)	195 (3.4)	0.005
Alcohol drinker	311 (4.3)	70 (4.6)	241 (4.2)	0.557
Underlying pulmonary disease
Asthma	82 (1.1)	43 (2.8)	39 (0.7)	< 0.001
COPD	93 (1.3)	33 (2.2)	60 (1.1)	< 0.001
Cardiovascular disease
Hypertension	1604 (22.2)	382 (25.0)	1222 (21.4)	0.003
Heart disease	602 (8.3)	258 (16.9)	344 (6.0)	< 0.001
Neurological diseases
Cerebrovascular	104 (1.4)	60 (3.9)	44 (0.8)	< 0.001
Depression	39 (0.5)	0 (0.0)	39 (0.7)	0.001
Diabetes mellitus	683 (9.4)	164 (10.7)	519 (9.1)	0.057
Gastrointestinal disorders
GERD	541 (7.5)	355 (23.2)	186 (3.3)	< 0.001
Hiatus hernia	84 (1.2)	46 (3.0)	38 (0.7)	< 0.001
Gastrointestinal ulcer	343 (4.7)	107 (7.0)	236 (4.1)	< 0.001
Surgical history
Upper gastrointestinal surgery	176 (2.4)	130 (8.5)	46 (0.8)	< 0.001
Colorectal surgery	324 (4.5)	80 (5.2)	244 (4.3)	0.113
Pulmonary surgery	153 (2.1)	37 (2.4)	116 (2.0)	0.357
Oral-pharyngeal surgery	40 (0.6)	32 (2.1)	8 (0.1)	< 0.001
Intraoperative respiratory adverse events
Severe cough	51 (0.7)	9 (0.6)	42 (0.7)	0.536
Regurgitation and aspiration	12 (0.2)	0 (0.0)	12 (0.2)	0.083
Hypoxemia	215 (3.0)	39 (2.5)	176 (3.1)	0.269
Procedure type				0.063
Combined	5465 (75.6)	1123 (73.4)	4342 (76.2)
EGD	1059 (14.6)	249 (16.3)	810 (14.2)
Colonoscopy	706 (9.8)	159 (10.4)	547 (9.6)
Procedure time				0.102
< 10 minutes	1425 (19.7)	326 (21.3)	1099 (19.3)
10-30 minutes	5159 (71.4)	1059 (69.2)	4100 (71.9)
> 30 minutes	646 (8.9)	146 (9.5)	500 (8.8)
Respiratory complications	77 (1.1)	13 (0.8)	64 (1.1)	0.354

ASA: American Society of Anesthesiologists; BMI: Body mass index; COPD: Chronic obstructive pulmonary disease; EGD: Esophagogastroduodenoscopy; GERD: Gastroesophageal reflux disease; MAC: Monitored anesthesia care; MS: Moderate sedation; DS: Deep sedation; GA: General anesthesia.

Full Size Table

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]

All content on this site: Copyright © 1993-2026 Baishideng Publishing Group Inc, its licensors, and contributors. All rights are reserved, including those for text and data mining, AI training, and similar technologies. For all open access content, the relevant licensing terms apply.