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Abstract

AIMS: Ethnic disparities subsist in out-of-hospital cardiac arrest (OHCA) outcomes in the US, yet it is unresolved whether similar inequalities exist in European countries. This study compared survival after OHCA and its determinants in immigrants and non-immigrants in Denmark.

METHODS: Using the nationwide Danish Cardiac Arrest Register, 37,622 OHCAs of presumed cardiac cause between 2001 and 2019 were included, 95% in non-immigrants and 5% in immigrants. Univariate and multiple logistic regression was used to assess disparities in treatments, return of spontaneous circulation (ROSC) at hospital arrival, and 30-day survival.

RESULTS: Immigrants were younger at OHCA (median 64 [IQR 53-72] vs 68 [59-74] years; p<0.05), had more prior myocardial infarction (15% vs 12%, p<0.05), more diabetes (27% vs 19%, p<0.05), and were more often witnessed (56% vs 53%; p<0.05). Immigrants received similar bystander cardiopulmonary resuscitation and defibrillation rates to non-immigrants, but more coronary angiographies (15% vs 13%; p<0.05) and percutaneous coronary interventions (10% vs 8%, p<0.05), although this was insignificant after age-adjustment. Immigrants had higher ROSC at hospital arrival (28% vs 26%; p<0.05) and 30-day survival (18% vs 16%; p<0.05) compared to non-immigrants, but adjusting for age, sex, witness status, first observed rhythm, diabetes, and heart failure rendered the difference non-significant (odds ratios (OR) 1.03, 95% confidence interval (CI) 0.92-1.16 and OR 1.05, 95% CI 0.91-1.20, respectively).

CONCLUSIONS: OHCA management was similar between immigrants and non-immigrants, resulting in similar ROSC at hospital arrival and 30-day survival after adjustments.

OriginalsprogEngelsk
Artikelnummer109872
TidsskriftResuscitation
Vol/bind190
ISSN0300-9572
DOI
StatusUdgivet - sep. 2023

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