Cardiac arrest & resuscitation

Efficacy of emergency department calcium administration in cardiac arrest: A 9-year retrospective evaluation

ResuscitationPublished Retrospective cohort study

Main finding · Survival to hospital admissionResult — go to the resultRelative risk 0.74 95% CI 0.66–0.82

Authors' conclusion

Calcium administration as part of ED-directed treatment for cardiac arrest was associated with lower survival to hospital admission.

Study context

Population
Adults (≥18 years) treated for cardiac arrest in the emergency department (ED), two academic hospitals in San Francisco, 2011–2019
Participants
781 adults
Exposure
Calcium administration vs no calcium in the ED
Outcome
Survival to hospital admission
Methodological detailstwo academic hospitals, multivariable log-binomial regression, propensity score models
  • Two academic hospitals
  • Multivariable log-binomial regression
  • Propensity score models

Main finding

As reported in the abstract

Relative risk

0.74

95% CI 0.66–0.82

Calcium vs No calcium
RR 0.74 (95% CI 0.66–0.82)

Observational data: associations, not effects.

Further findings

OutcomeRR (95% CI)
Survival to hospital admission, adjusted (age, sex, witnessed arrest), by rhythmCalcium vs No calcium · shockable rhythms0.60 (0.50–0.72)
Survival to hospital admission, adjusted (age, sex, witnessed arrest), by rhythmCalcium vs No calcium · non-shockable rhythms0.87 (0.76–0.99)
Survival to hospital admission, propensity score modelsCalcium vs No calcium · nearest neighbor propensity matching0.79 (0.68–0.89)
Survival to hospital admission, propensity score modelsCalcium vs No calcium · inverse propensity weighted regression adjustment0.75 (0.67–0.84)

Original publication

Efficacy of emergency department calcium administration in cardiac arrest: A 9-year retrospective evaluation. Resuscitation. Published 9 August 2023. doi:10.1016/j.resuscitation.2023.109933

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

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