Prognostic Value of Soluble Suppression of Tumorigenicity-2 in Chronic Heart Failure: A Meta-Analysis

Alberto Aimo, Giuseppe Vergaro, Claudio Passino, Andrea Ripoli, Bonnie Ky, Wayne L. Miller, Antoni Bayes-Genis, Inder Anand, James L. Januzzi, Michele Emdin

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

Objectives The purpose of this study was to perform the first meta-analysis of currently available data. Background Soluble suppression of tumorigenesis 2 (sST2) plasma concentration is elevated in chronic heart failure (CHF) and helps to predict prognosis in this setting, although the evidence is limited. Methods Three databases (Medline, Cochrane Library, and Scopus) were searched. Inclusion criteria were: follow-up studies; papers published in English; enrollment of CHF outpatients; available data on hazard ratio (HR) for the log2 ST2 (so that the reported HRs represent the risk per doubling of sST2) and 95% confidence interval (CI) for all-cause death, and possibly also for cardiovascular (CV) death; and use of standardized sST2 assay. Exclusion criteria were: sST2 considered only as an element of a prognostic score, and studies on patients with end-stage HF. Results Seven studies were finally included for all-cause death, with a global population of 6,372 patients; data on CV death were available for 5 studies, totaling 5,051 patients. The HR was 1.75 (95% CI: 1.37 to 2.22) for all-cause death and 1.79 (95% CI: 1.22 to 2.63) for CV death (both p < 0.001). Significant heterogeneity among studies was detected in the quantification of sST2 predictive value, attributable to marked differences in pharmacological treatment among trials. The predictive power of sST2 was greater when patients were managed according to present guideline-recommended medical treatment. Conclusions sST2 is a predictor of both all-cause and CV death in CHF outpatients. The present meta-analysis supports the use of sST2 for risk stratification in patients with stable CHF.

Original languageEnglish (US)
Pages (from-to)280-286
Number of pages7
JournalJACC: Heart Failure
Volume5
Issue number4
DOIs
StatePublished - Apr 1 2017

Keywords

  • chronic heart failure
  • meta-analysis
  • outpatients
  • prognosis
  • sST2

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