• Acta Anaesthesiol Scand · Oct 2011

    Risk factors for 1-year mortality in patients with nontraumatic intracranial hemorrhage requiring intensive care.

    • E K Junttila, J Koskenkari, N Romppainen, P P Ohtonen, A Karttunen, and T I Ala-Kokko.
    • Department of Anesthesiology, Division of Intensive Care, Oulu University Hospital, Oulu, Finland. eija.junttila@oulu.fi
    • Acta Anaesthesiol Scand. 2011 Oct 1;55(9):1052-60.

    BackgroundMortality in patients with intracranial hemorrhage remains high. The aim of this study was to determine the 1-year survival and potential risk factors for 1-year mortality in patients with nontraumatic intracranial hemorrhage requiring intensive care.MethodsThis was a 3-year (2005-2007) retrospective study in a university-level intensive care unit (ICU). Patient characteristics, level of consciousness, and radiological findings of the primary head computed tomography were recorded on admission. Sequential Organ Failure Assessment scores were recorded during the ICU stay. Patients were divided into two groups: subarachnoid hemorrhage (SAH) group and intracerebral hemorrhage (ICH) group. Kaplan-Meier survival curves were constructed, and independent risk factors were determined using Cox proportional hazards regression analyses.ResultsTwo hundred twenty-nine patients were analyzed. The 1-year mortality rate was 32% in patients with SAH and 44% in patients with ICH. The risk factors for 1-year mortality in both groups were unconsciousness on admission [SAH: hazard ratio (HR) 6.2, P = 0.017 and ICH: HR 3.0, P = 0.004] and renal failure during the ICU stay (SAH: HR 2.5, P = 0.021 and ICH: HR 3.6, P = 0.021). Risk factors specific to the type of hemorrhage were the presence of ICH (HR 2.0, P = 0.033) and diffuse cerebral edema (HR 2.3, P = 0.017) in the SAH group and a prior use of warfarin (HR 5.1, P = 0.016) in the ICH group.ConclusionsIn addition to decreased level of consciousness on admission, renal failure during the ICU stay is an independent risk factor for 1-year mortality in nontraumatic SAH as well as ICH.2011 The Authors Acta Anaesthesiologica Scandinavica, 2011 The Acta Anaesthesiologica Scandinavica Foundation.

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