Body surface area as a prognostic marker in chronic heart failure patients: results from the Heart Failure Registry of the Heart Failure Association of the European Society of Cardiology

on behalf of the Heart Failure Long-Term Registry Investigators

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36 Scopus citations

Abstract

Aims: The ‘obesity paradox’ is consistently observed in patients with heart failure (HF). We investigated the relationship of body surface area (BSA) to mortality and hospitalizations in patients with chronic HF. Methods and results: Data from the outpatient cohort of the observational, prospective, Heart Failure Long-Term Registry of the Heart Failure Association of the European Society of Cardiology was analysed in order to evaluate the prognostic significance of BSA in chronic HF. A total of 9104 chronic HF patients (age 64.8 ± 13.4 years; 71.6% males) were enrolled. Mortality during 1-year follow-up was observed in 718 of 8875 (8.1%) patients. A progressive, inverse relationship between all-cause mortality and BSA levels was observed; the adjusted hazard ratio (HR) for 1-year mortality was 1.823 [95% confidence interval (CI) 1.398–2.376], P < 0.001 for the lowest quartile of BSA <1.78 m2, and 1.255, 95% CI 1.000–1.576, P = 0.05 for the middle two quartiles (1.78 ≤BSA ≤2.07 m2), compared with the highest quartile (BSA >2.07 m2). For each increase of 0.1 m2 in BSA, an adjusted HR of 0.908 (95% CI 0.870–0.948), P < 0.001 for mortality was calculated. HF hospitalizations were not associated with BSA subgroup distribution. In both genders, subjects within the lowest BSA quartile (males <1.84 m2 and females <1.64 m2) had significantly higher mortality rates during follow-up (log-rank P < 0.0001). However, the stepwise association with mortality was more distinct in males. Conclusions: Total and cardiovascular mortality, but not HF hospitalizations was inversely associated with BSA levels in chronic HF patients. BSA may serve as a prognostic indicator for adverse outcome in HF patients.

Original languageEnglish
Pages (from-to)859-868
Number of pages10
JournalEuropean Journal of Heart Failure
Volume18
Issue number7
DOIs
StatePublished - 1 Jul 2016

Bibliographical note

Publisher Copyright:
© 2016 The Authors. European Journal of Heart Failure © 2016 European Society of Cardiology

Funding

The authors thank the following organizers of the Heart Failure Long-Term Registry. Executive Committee: M.G. Crespo-Leiro, S.D. Anker, A.J. Coats, R. Ferrari, G. Filippatos, A.P. Maggioni, A. Mebazaa, and M.F. Piepoli; Steering Committee (National Co-ordinators): O. Amir, O. Chioncel, U. Dahlström, J.F. Delgado Jimenez, J. Drozdz, A. Erglis, E. Fazlibegovic, C. Fonseca, F. Fruhwald, P. Gatzov, E. Goncalvesova, M. Hassanein, J. Hradec, A. Kavoliuniene, M. Lainscak, D. Logeart, B. Merkely, M. Metra, M. Otljanska, P.M. Seferovic, E. Srbinovska Kostovska, A. Temizhan, and D. Tousoulis. EORP Team: M. Andarala, T. Ferreira, E. Fiorucci, E. Folkesson, M. Glémot, G. Gracia, M. Konte, C. Laroche, PA. McNeill, V. Missiamenou, C. Pommier, and C. Taylor,

FundersFunder number
Heart Failure Long-Term Registry

    Keywords

    • Body surface area
    • Heart failure
    • Obesity
    • Prognosis

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