Association between oxygen saturation level during bronchoscopy and post-bronchoscopy adverse events: a retrospective cohort study View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2022-06-02

AUTHORS

So Yeon Kim, Hyo Jin Lee, Jung Kyu Lee, Tae Yeon Park, Eun Young Heo, Deog Kyeom Kim, Hee Soon Chung, Hyun Woo Lee

ABSTRACT

BackgroundFlexible bronchoscopy is widely used to diagnose and treat various respiratory diseases. However, caution is warranted for post-bronchoscopy adverse events. Although desaturation frequently occurs during bronchoscopy, its clinical impact and the optimal oxygen saturation level during the procedure remain unclear. This study aimed to investigate whether the percutaneous oxygen saturation (SpO2) level during bronchoscopy is associated with the development of post-bronchoscopy respiratory adverse events.MethodsIn this single-center retrospective cohort study conducted from March 2020 to February 2021, 569 patients were classified into high or low oxygen saturation groups based on the SpO2 level during bronchoscopy. The primary outcome was post-bronchoscopy respiratory adverse events, and secondary outcomes were other post-bronchoscopy adverse events and clinical outcomes.ResultsAmong 569 patients, 458 and 111 patients were classified into the high oxygen saturation (SpO2 > 96%) and low oxygen saturation (SpO2 ≤ 94%) groups, respectively. After propensity score matching, the low oxygen saturation group had more post-bronchoscopy respiratory and febrile adverse events than the high oxygen saturation group. In the multivariable regression analysis, low SpO2 level during bronchoscopy was an independent risk factor for post-bronchoscopy respiratory adverse events (odds ratio = 3.16 [95% confidence interval 1.37–7.30]). In the low oxygen saturation group, the high-risk subgroups for post-bronchoscopy respiratory adverse events were the elderly, women, current smokers, and patients with chronic obstructive pulmonary disease or acute decompensated heart failure before bronchoscopy. There was no significant difference in the length of hospital stay, intensive care unit admission, or mortality between the high and low oxygen saturation groups.ConclusionsClose monitoring is recommended for patients with SpO2 ≤ 94% during bronchoscopy due to the increased risk of respiratory adverse events after the procedure. More... »

PAGES

144

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s12931-022-02063-0

DOI

http://dx.doi.org/10.1186/s12931-022-02063-0

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https://app.dimensions.ai/details/publication/pub.1148373234

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/35655299


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