[Pathophysiology of heart failure today]

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Updated: Aug 9, 2026

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction
09:20

Lumped-Parameter and Finite Element Modeling of Heart Failure with Preserved Ejection Fraction

Published on: February 13, 2021

Michael Böhm1

  • 1Medizinische Universitätsklinik und Poliklinik, Innere Medizin III, Homburg/Saar. boehm@med-in.uni-saarland.de

Herz
|May 25, 2002
PubMed

Insights

In heart failure, myocardial contractility mechanisms fail, and neuroendocrine systems worsen left ventricular dysfunction. Targeting these pathways offers new therapeutic strategies for heart failure treatment.

Area of Science:

  • Cardiology
  • Molecular Biology
  • Pathophysiology

Context:

  • Chronic heart failure involves defective myocardial contractility mechanisms.
  • Neuroendocrine systems, including the renin-angiotensin-aldosterone system and sympathetic nervous system, drive disease progression.
  • Myocardial apoptosis induced by angiotensin II and norepinephrine contributes to worsening heart function.

Purpose:

  • To elucidate the pathophysiological mechanisms underlying chronic heart failure.
  • To identify key neuroendocrine pathways involved in left ventricular dysfunction progression.
  • To explore novel therapeutic strategies for heart failure.

Summary:

  • Defective myocardial contractility (e.g., Frank-Starling mechanism) characterizes chronic heart failure.
  • Neuroendocrine activation (renin-angiotensin-aldosterone, endothelin, sympathetic nervous systems) exacerbates cardiac dysfunction.
  • Programmed cell death (apoptosis) of cardiomyocytes, induced by angiotensin II and norepinephrine, advances heart failure.

Impact:

  • Understanding these mechanisms informs established treatments targeting neuroendocrine pathways.
  • Identifies myocardial regeneration via stem cells as a promising innovative therapeutic approach.
  • Characterization of underlying mechanisms provides a foundation for developing new heart failure treatments.
Abstract

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