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Safety and efficacy of high-flow nasal oxygen for pre-oxygenation before anesthesia induction: a meta-analysis / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 932-940, 2022.
Artigo em Chinês | WPRIM | ID: wpr-957546
ABSTRACT

Objective:

To systematically review and evaluate the safety and efficacy of high-flow nasal oxygen (HFNO) for pre-oxygenation before anesthesia induction.

Methods:

Pubmed, Cochrane Library, Embase, China National Knowledge Infrastructure, Wanfang Database, China Science and Technology Journal Database and China Biomedical Literature Database were searched from inception to March 2022.All randomized controlled trials comparing HFNO and facemask ventilation for pre-oxygenation before anesthesia induction were collected.Two researchers independently assessed the quality of trials and extracted data.The primary outcome was the safe apnea time, the secondary outcomes were the lowest SpO 2 during intubation, oxygenation-related complications, patient comfort, PaO 2 and PaCO 2 before and after pre-oxygenation and after intubation.Meta-analysis was performed using RevMan 5.4 software.

Results:

Seventeen randomized controlled trials involving 843 patients were included in this meta-analysis.The results of meta-analysis showed that the safe apnea time was significantly longer ( MD=67.61, 95% CI 5.94-129.28, P=0.03), the lowest SpO 2 was higher during tracheal intubation ( MD=3.27, 95% CI 2.25-4.29, P<0.01), and PaO 2 was higher after pre-oxygenation ( MD=54.39, 95% CI 9.32-99.46, P=0.02) in the patients using HFNO than those using facemask ventilation.There were no statistically significant differences in the other outcomes ( P>0.05).

Conclusions:

HFNO for pre-oxygenation before anesthesia induction can significantly prolong the safe apnea time, increase the lowest SpO 2 during tracheal intubation, and improve the levels of PaO 2 after pre-oxygenation, and HFNO does not affect the patient′s comfort or increase the development of preoxygenation-related complications when compared with facemask ventilation.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Revisões Sistemáticas Avaliadas Idioma: Chinês Revista: Chinese Journal of Anesthesiology Ano de publicação: 2022 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Tipo de estudo: Revisões Sistemáticas Avaliadas Idioma: Chinês Revista: Chinese Journal of Anesthesiology Ano de publicação: 2022 Tipo de documento: Artigo