• Elin H Thomas, Aled R Lloyd, and Nicky Leopold.
• Morriston Hospital, Swansea, UK elinhthomas@doctors.org.uk.
• Clin Med (Lond). 2021 Jul 1; 21 (4): e357e362e357-e362.

BackgroundThis study's aim was to investigate an association between outcome from in-hospital cardiopulmonary resuscitation (CPR) and increasing burden of comorbidities and frailty.MethodsRetrospective analysis of prospectively collected data from contemporaneous patient notes and electronic records of all patients who suffered an in-hospital cardiac arrest between 1 April 2017 and 31 March 2018 in a hospital that includes a tertiary cardiology department.ResultsA total of 113 patient records were assessed. Patient frailty was assessed based on calculation of Rockwood clinical frailty score (CFS) and comorbidity assessment based on Charlson comorbidity index (CCI). A linear correlation has been identified between increasing CCI and reduced survival (ANOVA = p<0.001) and rates of return of spontaneous circulation (ROSC) (ANOVA = 0.013). No patients with a CFS above 6 survived to 1 year. A linear correlation was identified between increasing CFS and reduced probability of ROSC (ANOVA p=0.002), survival to discharge (ANOVA p=0.003) and 1 year (ANOVA p=0.001).ConclusionOur findings suggest an association between increasing patient multimorbidity and frailty and poorer outcome post cardiac arrest.© Royal College of Physicians 2021. All rights reserved.

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