Are myocardial fibrosis and diastolic dysfunction reversible in hypertensive heart disease?

Karl T Weber1

  • 1Division of Cardiovascular Diseases, University of Tennessee Health Science Center, Memphis, TN 38163, USA. ktweber@utmem.edu

Insights

Diastolic dysfunction, common in elderly women with hypertension, can be improved. Pharmacology may reverse cardiac fibrosis and reduce myocardial stiffness, offering new hope for heart failure treatment.

Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Diastolic dysfunction is a key factor in symptomatic heart failure, especially in elderly women with arterial hypertension.
  • Cardiac fibrosis and myocardial stiffness are significant contributors to diastolic dysfunction in hypertensive heart disease.

Purpose of the Study:

  • To explore the potential for pharmacological interventions to regress cardiac fibrosis.
  • To investigate the improvement of diastolic stiffness through medical treatments.

Main Methods:

  • Review of recent studies on fibrosis regression.
  • Analysis of pharmacological approaches targeting myocardial stiffness.

Main Results:

  • Evidence suggests that pharmacology can induce regression of cardiac fibrosis.
  • Pharmacological treatments show promise in improving diastolic stiffness.

Conclusions:

  • Pharmacological regression of cardiac fibrosis is feasible.
  • Medical interventions can improve diastolic stiffness, potentially treating heart failure in hypertensive patients.

Related Concept Videos

Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
Heart Failure I: Introduction01:27

Heart Failure I: Introduction

Heart failure refers to a clinical syndrome caused by structural or functional cardiac disorders that prevent the heart from pumping an adequate amount of blood to meet the body's metabolic needs. This condition often arises from myocardial infarction or ischemia, leading to decreased cardiac output, reduced tissue perfusion, impaired gas exchange, fluid volume imbalance, and decreased functional ability.Heart failure can result from disruptions in the mechanisms that regulate cardiac output...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...