• Resuscitation · Mar 2003

    Comparative Study

    In-hospital factors associated with improved outcome after out-of-hospital cardiac arrest. A comparison between four regions in Norway.

    • A Langhelle, S S Tyvold, K Lexow, S A Hapnes, K Sunde, and P A Steen.
    • Institute for Experimental Medical Research, Ullevål University Hospital, N-0407, Oslo, Norway. audun.langhelle@ioks.uio.no
    • Resuscitation. 2003 Mar 1; 56 (3): 247-63.

    IntroductionWhile pre-hospital factors related to outcome after out-of-hospital cardiac arrest (OHCA) are well known, little is known about possible in-hospitals factors related to outcome.HypothesisSome in-hospital factors are associated with outcome in terms of survival.Material And MethodsAn historical cohort observational study of all patients admitted to hospital with a spontaneous circulation after OHCA due to a cardiac cause in four different regions in Norway 1995-1999: Oslo, Akershus, Østfold and Stavanger.ResultsIn Oslo, Akershus, Østfold and Stavanger 98, 84, 91 and 186 patients were included, respectively. Hospital mortality was higher in Oslo (66%) and Akershus (64%) than in Østfold (56%) and Stavanger (44%), P=0.002. By multivariate analysis the following pre-arrest and pre-hospital factors were associated with in-hospital survival: age -3.5 mmol l(-1), body temperature ConclusionBoth pre-arrest, pre- and in-hospital factors were associated with in-hospital survival after OCHA. It seems important also to report in-hospital factors in outcome studies of OCHA. The design of the study precludes a conclusion on causability.

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