Is mild asymptomatic left ventricular systolic dysfunction always predictive of adverse events in high-risk populations? Insights from the DAVID-Berg study

European Journal of Heart Failure
Mauro GoriMichele Senni

Abstract

Mild asymptomatic left ventricular systolic dysfunction (ALVSD) may be associated with incident heart failure (HF). However, this gray zone group needs incremental risk refinement. We hypothesized that diastolic dysfunction (DD) may refine HF and death risk prediction in mild ALVSD. Among 4047 subjects aged ≥55/≤80 years followed by 10 general practitioners in northern Italy, the DAVID-Berg study prospectively enrolled 623 asymptomatic outpatients at increased risk for HF. Baseline evaluation included clinical visit, N-terminal pro B-type natriuretic peptide, and echocardiogram. Based on left ventricular ejection fraction (LVEF) and DD, subjects were classified as: control group (normal LVEF, n = 459, 76%), mild ALVSD (LVEF ≥40%/<53%) without DD (n = 89, 15%) and with DD (n = 54, 9%). Subjects with LVEF <40% or without full echocardiographic data were excluded from the analysis (n = 21). Mean age of the population was 69 ±7 years, 56% were men, mostly hypertensive, mean LVEF was 61%. During a median follow-up of 5.7 years, 88 subjects (15%) experienced HF/death events (59 HF events and 29 deaths). Compared to the control group, mild ALVSD was associated with a higher risk of incident HF/death (hazard ratio 1.80, 95% confidence ...Continue Reading

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Citations

Nov 13, 2019·Journal of Cardiopulmonary Rehabilitation and Prevention·Marta BragaAfonso Rocha
Dec 7, 2019·European Heart Journal Cardiovascular Imaging·Simone BurocchiMichele Senni
Jan 31, 2020·ESC Heart Failure·Daniela TomasoniMarco Metra

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