• Intensive care medicine · Dec 2014

    Temporal trends in cardiac arrest incidence and outcome in Finnish intensive care units from 2003 to 2013.

    • I Efendijev, R Raj, M Reinikainen, S Hoppu, and M B Skrifvars.
    • Intensive Care Medicine, Department of Anaesthesia and Intensive Care Medicine, Helsinki University Central Hospital, Helsinki, Finland, ilmar.efendijev@helsinki.fi.
    • Intensive Care Med. 2014 Dec 1;40(12):1853-61.

    PurposeTo estimate temporal trends in incidence and hospital mortality after cardiac arrest in Finnish intensive care units.MethodsUsing a large nationwide intensive care unit (ICU) database we identified patients suffering from cardiac arrest following ICU admission (ICU-CA) during the study period (2003-2013). ICU-CA was defined as need for cardiopulmonary resuscitation and/or defibrillation (non-arrest cardioversions were excluded) according to the Therapeutic Intervention Scoring System-76. Patients admitted with an admission diagnosis of cardiac arrest were excluded. We determined crude incidence and risk-adjusted hospital mortality (based on a customized severity of illness model) for all ICU-CA patients, and for predefined admission diagnosis subgroups. Temporal trends for the observed period were calculated for crude incidence and risk-adjusted hospital mortality.ResultsCrude incidence for all ICU-CA patients was 29/1,000 ICU admissions, with the highest incidence 118/1,000 in the non-operative cardiovascular subgroup. Overall hospital mortality for ICU-CA patients was 55.5% [95% confidence interval (CI) 54-57%]. Hospital mortality was 53.1% (95% CI 50.4-55.8%) for non-operative cardiovascular ICU-CA patients, 32.9% (95% CI 26.9-38.9%) for post cardiac surgery ICU-CA patients, and 56.3% (95% CI 51.2-61.3%) for neurological/neurosurgical ICU-CA patients. There was a significant reduction in the overall ICU-CA incidence and in the risk-adjusted hospital mortality of ICU-CA and non-cardiac arrest cases (non-CA) over the observed study period (p < 0.001).ConclusionOur data suggest that the incidence of ICU-CA has decreased in Finnish ICUs between 2003 and 2013. Similar reduction in hospital mortality over time was observed for both ICU-CA and non-CA populations.

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