Utility of the SENIORS elderly heart failure risk model applied to the RICA registry of acute heart failure

Manuel Montero-Perez-Barquero, Luis Manzano, Francesc Formiga, Michael Roughton, Andrew Justin Stewart Coats, Fernando Rodriguez-Artalejo, Jesus Diez-Manglano, Paulo Bettencourt, Pau Llacer, Marcus Flather

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    Background: Heart failure (HF) is predominantly a disease of the elderly. Reliable risk stratification would help in the management of this population, but no model has been well evaluated in elderly HF patients in both acute and chronic settings and not being restricted by ejection fraction. To evaluate the utility of the SENIORS risk model, developed from a clinical trial of elderly patients with chronic HF, in an independent cohort (National Spanish Registry: RICA) of elderly acute HF patients.
    Methods:We applied the SENIORS riskmodel to 926 patients in RICA to estimate risk at one year of a) composite outcome of all-cause mortality or cardiovascular hospital admission and b) all-cause mortality.
    Results: In the RICA registrymean age was 78 years, mean ejection fraction 51% and 87% were in NYHA II and III. At one year death/CV hospitalization occurred in 31.9% and all-causemortality in 19.5%. The riskmodel provided good separation of Kaplan Meier curves stratified by tertile for death/CV hospitalization and all-cause mortality.
    The observed versus expected rates of death/CV hospitalization in the lowest, middle and highest risk tertiles were (%) 34/24, 45/41 and 57/67, and for death 13/16, 32/38 and 44/70 respectively. C-statistic for all-causemortality
    or CV hospitalization was 0.60 and for all-cause mortality 0.66.
    Conclusion: The SENIORS risk model was a reliable tool for relative risk stratification among acute heart failure patients in a “real world” registry, but predicted versus observed risk showed some variability. The model provides
    a useful basis for clinical risk prediction.
    Original languageEnglish
    Pages (from-to)449 - 453
    Number of pages5
    JournalInternational Journal of Cardiology
    Issue numberC
    Publication statusPublished - 2015

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