Cardiac arrest & resuscitation

Impact of coma duration on functional outcomes at discharge and long-term survival after cardiac arrest

ResuscitationPublished Retrospective cohort study

Authors' conclusion

Shorter coma duration was associated with better functional outcome at discharge, but not with long-term survival.

Study context

Population
Post-cardiac arrest patients comatose on presentation who awakened during hospitalisation742 survived to discharge
Participants
979 participants
Exposure
Short vs long coma duration
Outcome
Functional outcome (modified Rankin Scale) at hospital discharge and long-term survival

Main finding

As reported in the abstract

Discharge mRS ≤ 3 · Hospital discharge
Shorter coma duration associated with higher proportion with discharge modified Rankin Scale (mRS) ≤ 3
p < 0.001
Median coma duration (days)
2 [IQR 1-4]

Observational data: associations, not effects.

Further findings

OutcomeHR (95% CI)
Hazard of death per coma duration (Cox regression, adjusted)1.00 (0.97–1.03)
OutcomeP value
Long-term survival among survivors to dischargeNo difference; 3,136 person-yearsP = 0.86
  • Hazard of death per coma duration (Cox regression, adjusted): adjusted for age, location of arrest, Charlson Comorbidity Index, discharge mRS

Original publication

Impact of coma duration on functional outcomes at discharge and long-term survival after cardiac arrest. Resuscitation. Published 30 November 2024. doi:10.1016/j.resuscitation.2024.110444

Composed by AI from the published abstract and checked against it. How Briefs are made →

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