Key result
Recent 30-day hospitalizations precede ~17% of cardiac arrest admissions, mostly for sepsis, renal, or CV disease.
Why the study?
Prior hospitalisation represents a missed opportunity for prevention and identification of high-risk groups before cardiac arrest, but the extent and underlying reasons for hospitalisations preceding cardiac arrest are unclear.
What is the prevalence and what are the reasons for hospitalisations in the 30 days preceding an admission for cardiac arrest?
Cohort
Yes
What is the prevalence and what are the reasons for hospitalisations in the 30 days preceding an admission for cardiac arrest?
Approximately 1 in 6 patients admitted with cardiac arrest have a prior hospitalization within 30 days, highlighting a potential missed opportunity for prevention and identification of high-risk groups.
Answers are grounded in this paper and cite their sources.
May flag high-risk patients during recent admissions; this Level 3 evidence leaves open whether targeted prevention reduces subsequent cardiac arrest.
BACKGROUND: Cardiac arrest (CA) is common but deadly. Prior hospitalisation represents a missed opportunity for prevention and identification of high-risk groups before CA. This study aims to determine the extent of and underlying reasons for hospitalisations during the 30-day period preceding an admission with CA. METHODS: We conducted a retrospective cohort study using the United States National Readmission Database (NRD) during 2018-2020. We evaluated hospitalisations with a diagnosis of CA and admissions in the 30-day period before hospitalisation with CA. Multiple logistic regressions were used to identify factors associated with prior hospitalisation and mortality on admission with CA. CONCLUSIONS: Hospitalisations within the 30-day period preceding an admission with CA are common and occur in about 1 out 6 patients. The most common primary diagnoses for prior hospitalisation were sepsis, renal and cardiovascular disease.
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Kwok et al. (2025) conducted a cohort in Cardiac arrest. Prior hospitalisation was evaluated on Extent of and underlying reasons for hospitalisations during the 30-day period preceding an admission with cardiac arrest (p=<0.001). Hospitalisations within the 30-day period preceding an admission with cardiac arrest occurred in about 1 out of 6 patients, most commonly for sepsis, renal, and cardiovascular disease.
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