• Crit Care Resusc · Sep 2020

    Outcomes of patients with subarachnoid haemorrhage admitted to Australian and New Zealand intensive care units following a cardiac arrest.

    • Jonathan Heaney, Eldho Paul, David Pilcher, Caleb Lin, Andrew Udy, and Paul J Young.
    • Department of Neurosurgery, Wellington Hospital, Wellington, New Zealand.
    • Crit Care Resusc. 2020 Sep 1; 22 (3): 237244237-244.

    ObjectivesTo describe the characteristics and outcomes of adults with a subarachnoid haemorrhage (SAH) admitted to Australian and New Zealand intensive care units (ICUs) with a cardiac arrest in the preceding 24 hours.DesignRetrospective cohort study.SettingStudy data from 144 Australian and New Zealand ICUs were obtained from the Australian and New Zealand Intensive Care Society Centre for Outcome and Resource Evaluation Adult Patient Database.ParticipantsA total of 439 of 11 047 (3.9%) patients admitted to an ICU with a SAH had a documented cardiac arrest in the 24 hours preceding their ICU admission. The mean age of patients with SAH and a preceding cardiac arrest was 55.3 years (SD, 13.7) and 251 of 439 (57.2%) were female.Main Outcome MeasuresThe primary outcome of interest was in-hospital mortality. Key secondary outcomes were ICU mortality, ICU and hospital lengths of stay, the proportion of patients discharged home.ResultsSAH patients with a history of cardiac arrest preceding ICU admission had a higher mortality rate (81.5% v 23.3%; P < 0.0001) and a lower rate of discharge home (4.6% v 37.0%; P < 0.0001) compared with patients with SAH who did not have a cardiac arrest. Among patients with SAH who had a cardiac arrest and survived, 20 of 81 (24.7%) were discharged home. In SAH patients with cardiac arrest, having a GCS of 3, the Australian and New Zealand Risk of Death score, and being admitted to ICU for palliative care or organ donation were significant predictors of in-hospital death.ConclusionsAlmost one in five SAH patients who had a documented cardiac arrest in the 24 hours preceding ICU admission to an Australian and New Zealand ICU survived to hospital discharge, with around a quarter of these survivors discharged home. The neurological outcomes of these patients are uncertain, and understanding the burden of disability in survivors is an important area for further research.

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