Cardiac arrest & resuscitation

Prevalence and outcomes of in-hospital cardiac arrest in the intensive care unit: a systematic review and meta-analysis

Crit CarePublished Systematic review and meta-analysis of observational studies

Authors' conclusion

Cardiac arrest in the ICU was associated with poor survival, with a higher prevalence in patients with COVID-19.

Study context

Population
Adults with cardiac arrest in the ICU (ICU-CA)35 observational studies · 36 cohorts
Outcome
Prevalence of patients with ICU-CA
Methodological detailsrandom effects meta-analysis, generalised linear mixed model, GRADE, meta-regression
  • Random effects meta-analysis
  • Generalised linear mixed model
  • GRADE
  • Meta-regression

Pooled result

As reported in the abstract

Pooled proportion of ICU-CA

Pooled proportion of ICU-CA

3.23%

95% CI 2.08–4.98, moderate certainty

Further pooled results

OutcomeCOVID-19non-COVID-19P value
Proportion of ICU-CA by COVID-19 status (subgroup)Significantly higher with COVID-1910.6% (95% CI 5.4–19.7)2.3% (95% CI 1.5–3.5)P < 0.001

ICU mortality

Pooled ICU mortality
74.0% (95% CI 63.7-82.1, moderate certainty)

In-hospital mortality

Pooled in-hospital mortality
82.0% (95% CI 75.9-86.9, high certainty)

Shockable rhythm and mortality (meta-regression)

Proportion of shockable rhythm inversely associated with ICU mortality, but not in-hospital mortality

Original publication

Prevalence and outcomes of in-hospital cardiac arrest in the intensive care unit: a systematic review and meta-analysis. Crit Care. Published 27 February 2026. doi:10.1186/s13054-026-05880-7

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

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.