Soluble ST2 and Risk of Arrhythmias,Heart Failure,or Death in Patients with Mildly Symptomatic Heart Failure: Results from MADIT-CRT |
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Authors: | Hicham Skali Robert Gerwien Timothy E Meyer James V Snider Scott D Solomon Craig M Stolen |
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Institution: | 1.Cardiovascular Division,Brigham and Women’s Hospital,Boston,USA;2.Critical Diagnostics,San Diego,USA;3.Boston Scientific,St. Paul,USA |
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Abstract: | Soluble ST2 is an established biomarker of heart failure (HF) progression. Data about its prognostic implications in patients with mildly symptomatic HF eligible to receive cardiac resynchronization therapy defibrillators (CRT-D) are limited. In a cohort of 684 patients enrolled in Multicenter Automated Defibrillator Implantation Trial (MADIT)-CRT, levels of soluble ST2 (sST2) were serially assessed at baseline and 1 year (n?=?410). In multivariable-adjusted models, elevated baseline sST2 was associated with an increased risk of death, death or HF, and death or ventricular arrhythmia (VA) even when adjusting for baseline brain natriuretic protein (BNP) levels. In addition, patients with lower baseline sST2 levels had greater risk reduction with CRT-D (p?=?0.006). Serial assessment revealed increased risk of VA and death or VA (HR per 10 % increase in sST2 1.11 (1.04–1.20), p?=?0.004). Among patients with mildly symptomatic HF and eligibility for CRT-D, baseline and serial assessments sST2 may provide important information for risk stratification. |
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