Cardiac arrest & resuscitation

Sedation early after return of spontaneous circulation and during pre-hospital transport after out-of-hospital cardiac arrest: retrospective analysis of the AfterROSC1 & 2 database

ResuscitationPublished Retrospective analysis of prospective cohort studies

Authors' conclusion

The decision of sedation started after ROSC and before ICU admission was associated with a good functional recovery on day 90.

Study context

Population
Post-cardiac arrest patients after OHCA with return of spontaneous circulation (ROSC)
Participants
1,596 patients
Exposure
Sedation started vs not started during pre-hospital care after ROSC
  • Sedatedn = 1,324
  • Not sedatedn = 272reference
Outcome
Day-90 survival with favorable neurological outcome (modified Rankin scale 0-3)
Follow-up
Day 90
Methodological detailsAfterROSC1 and AfterROSC2 cohorts, multicentre
  • AfterROSC1 and AfterROSC2 cohorts
  • Multicentre

Main finding

As reported in the abstract

Favorable neurological outcome (modified Rankin scale 0-3)
Sedated vs Not sedatedAdjusted odds ratio (95% CI)P value
Adjusted for mCAHP score and center
2.19(1.31–3.65)
P = 0.003
Not significant after propensity score adjustment
propensity score adjusted 1.40 (95% CI 0.70–2.09); P = 0.26

Observational data: associations, not effects.

Further findings

Disease severity (mCAHP score)

mCAHP score higher in the group without pre-ICU sedation
median: 90 [70-106] vs. 105 [90-116]
  • P = 0.001

Original publication

Sedation early after return of spontaneous circulation and during pre-hospital transport after out-of-hospital cardiac arrest: retrospective analysis of the AfterROSC1 & 2 database. Resuscitation. Published 4 July 2026. doi:10.1016/j.resuscitation.2026.111196

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