Age, pre-arrest neurological condition, and functional status as outcome predictors in out-of-hospital cardiac arrest: Secondary analysis of the Jerusalem Cohort Study data.
Archives of Gerontology and Geriatrics · 2020-12-02 · Observational study
Abstract
PURPOSE: Investigate the relation between age, baseline neurological and functional status, and survival after out-of-hospital cardiac arrest (OHCA). METHODS: Data analysis from the Jerusalem District Resuscitation Study. Patients >80 years and those 18-80 years with OHCA from 4/2005-12/2010 were compared. PRIMARY OUTCOME: survival at four time points; secondary outcomes: neurological and functional status at hospital discharge, and relationship between survival, age and pre-arrest activities of daily living (ADL) and Cerebral Performance Category (CPC) scores (higher scores indicate worse function in both). RESULTS: 3,211 patients (1,259 >80 years, 1952 aged 18-80) with median follow-up 5.9 years (range 0.1-11.1 years) were included. Survival was better for younger patients at all four time points, including 7.8% versus 2.5% at hospital discharge, 4.6% versus 0.2% at late follow-up. Functional status at discharge was also better, 4.8 ± 5.4 versus 9.0 ± 4.7, p<0.001, and more young patients had CPC1/2, 60.7% versus 32.2%, p = 0.004. Older patients who survived to emergency department admission had increased mortality per year of age (2.6%, hazard ratio [HR] 1.026, 95% confidence interval [CI] 1.006-1.048 versus 1.7%, HR 1.017, 95% CI 1.010-1.025), per point in pre-arrest ADL (3.0%, HR 1.030, 95% CI 1.007-1.054 versus 5.8%, HR 1.058, 95% CI 1.036-1.080), and per point in pre-arrest CPC (24%, HR 1.242, 95% CI 1.097-1.406 versus 37%, HR 1.370 95% CI 1.232-1.524). CONCLUSION: Patient independence before arrest may be a more crucial determinant of resuscitation outcome than older age alone. Discussion of end-of-life preferences is particularly important for older individuals with functional and cognitive decline.
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Tags
Mortality & survival · Older adults · Quality of life & function
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