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Published on: February 20, 2017
Biomarkers of diastolic dysfunction and myocardial fibrosis: application to heart failure with a preserved ejection
Michael R Zile1, Catalin F Baicu
1Division of Cardiology, Department of Medicine, Medical University of South Carolina and Ralph H. Johnson, Ashley River Towers, 25 Courtenay Drive, Charleston, SC 29425, USA. zilem@musc.edu
Insights
Biomarkers in plasma can help manage heart failure with preserved ejection fraction (HFpEF). These markers reflect hemodynamic load and myocardial fibrosis, offering a less invasive approach to understanding HFpEF.
Area of Science:
- Cardiovascular Medicine
- Biomarker Discovery
Background:
- Heart failure with preserved ejection fraction (HFpEF) presents significant unmet needs in diagnosis, prognosis, and treatment.
- Understanding unique pathophysiologic mechanisms is key to developing novel HFpEF therapies.
- Increased left ventricular diastolic pressure (LVDP) and myocardial fibrosis are key HFpEF characteristics.
Purpose of the Study:
- To review current and future applications of plasma biomarkers in managing HFpEF patients.
- To highlight biomarkers reflecting hemodynamic overload and myocardial fibrosis.
Main Methods:
- Review of existing literature on HFpEF pathophysiology and biomarker research.
- Focus on plasma-based biomarkers as alternatives to invasive procedures or complex imaging.
Main Results:
- Plasma biomarkers can accurately reflect hemodynamic load and myocardial fibrosis.
- Biomarkers offer a potential non-invasive method for assessing key HFpEF indicators.
Conclusions:
- Biomarkers hold significant promise for improving the management of HFpEF.
- Further research into biomarker applications could address critical unmet needs in HFpEF care.
Abstract:
Comprehensive diagnostic criteria, accurate prognostic indicators, and effective treatment for patients with heart failure and a preserved ejection fraction (HFpEF) represent a critically important unmet need in cardiovascular medicine. Novel approaches to fill this unmet need are likely to be facilitated by targeting the underlying and unique pathophysiologic mechanisms that characterize patients with HFpEF. Two possible targets include hemodynamic overload evidenced by increased LV diastolic pressure (LVDP) and myocardial fibrosis evidenced by increased extracellular matrix fibrillar collagen. The measurement of LVDP and fibrosis generally requires either invasive procedures and/or complex and sophisticated imaging techniques. However, biomarkers measured in the plasma have been shown to accurately reflect changes in hemodynamic load and myocardial fibrosis and may have important application to the management of patients with HFpEF. The purpose of this review is to describe current and future applications of biomarkers in the management of patients with HFpEF.
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