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Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
Published on: February 13, 2021
Molecular determinants of heart failure with normal left ventricular ejection fraction
Attila Borbély1, Zoltán Papp, István Edes
1Division of Clinical Physiology, Institute of Cardiology, University of Debrecen, Medical and Health Science Center, Móricz Zsigmond 22, Debrecen, Hungary. borbelya@dote.hu
Pharmacological Reports : PR
|March 25, 2009
Summary
Heart failure with normal ejection fraction (HFNEF) mechanisms are unclear due to limited biopsies. Studies reveal novel diastolic dysfunction pathways, offering therapeutic insights for HFNEF.
Area of Science:
- Cardiology
- Physiology
Background:
- Heart failure with normal left ventricular (LV) ejection fraction (HFNEF), or diastolic heart failure, is increasingly recognized.
- Pathogenic mechanisms of HFNEF remain incompletely understood due to limited human myocardial biopsy data.
Purpose of the Study:
- To summarize findings from studies examining LV endomyocardial biopsies in HFNEF patients.
- To explore correlations between myocardial structure, cardiomyocyte function, and extracellular matrices in diastolic dysfunction.
Main Methods:
- Analysis of in vivo hemodynamics and in vitro cardiomyocyte function.
- Assessment of myofilamentary protein composition, collagen content, and advanced glycation end products in LV biopsies.
- Comparison between HFNEF patients, controls, heart failure with reduced ejection function (HFREF) patients, and diabetic patients with HFNEF/HFREF.
Main Results:
- Identification of novel mechanisms underlying diastolic LV dysfunction.
- Demonstration of altered LV myocardial structure and cardiomyocyte function in HFNEF.
- Correlation between myocardial alterations and extracellular matrix components.
Conclusions:
- Novel insights into diastolic LV dysfunction mechanisms have been revealed.
- Findings have significant therapeutic implications for HFNEF treatment strategies.
- Further research is needed to develop specific therapies for HFNEF.
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