ICU sedation, delirium & recovery

Evaluation of Etomidate Use and Association with Mortality Compared with Ketamine among Critically Ill Patients

Am J Respir Crit Care MedPublished Retrospective cohort study

Authors' conclusion

Use of etomidate on the day of IMV initiation is common and associated with a higher odds of hospital mortality than use of ketamine.

Study context

Population
ICU patients receiving invasive mechanical ventilation, Premier Healthcare Database, 2008–2021
Participants
1,689,945 patients · 22,273 matched pairs
Exposure
Etomidate vs ketamine on the day of invasive mechanical ventilation (IMV) initiation
Outcome
Hospital mortality
Methodological detailspropensity-score matched, multivariable regression
  • Propensity-score matched
  • Multivariable regression

Main finding

As reported in the abstract

Each group vs ketamineAbsolute risk difference (95% CI)
Etomidate
2.8%(2.1%–3.6%)
Each group vs ketamineAdjusted odds ratio (95% CI)
Etomidate
1.28(1.21,1.34)

Observational data: associations, not effects.

Further findings

Etomidate use among all IMV patients
43.7% · 738,855 events

Subgroups and sensitivity analyses (subgroup)

Association consistent across subgroups and sensitivity analyses

Effect modification by corticosteroids after intubation

No attenuation of the association with mortality with receipt of corticosteroids after etomidate use

Original publication

Evaluation of Etomidate Use and Association with Mortality Compared with Ketamine among Critically Ill Patients. Am J Respir Crit Care Med. Published 15 November 2024. doi:10.1164/rccm.202404-0813oc

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