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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

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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...
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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

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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...
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Inflammation01:38

Inflammation

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Overview
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Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
Inflammation can be triggered by various stimuli, such as impact, abrasion, chemical irritation, infections, and extreme hot or cold temperatures. These can damage cells and connective tissue fibers,...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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Imbalances in Cardiac Output01:26

Imbalances in Cardiac Output

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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...
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Related Experiment Video

Updated: Jul 7, 2025

Scanning Electron Microscopy of Macerated Tissue to Visualize the Extracellular Matrix
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Scanning Electron Microscopy of Macerated Tissue to Visualize the Extracellular Matrix

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Inflammation in Heart Failure-Future Perspectives.

Alexandru Mircea Arvunescu1,2, Ruxandra Florentina Ionescu3,4, Sanda Maria Cretoiu4

  • 1Department of Internal Medicine and Cardiology, "Prof. Dr. Th. Burghele" Clinical Hospital, 061344 Bucharest, Romania.

Journal of Clinical Medicine
|December 23, 2023
PubMed
Summary

Inflammation plays a key role in chronic heart failure progression. This review identifies specific proinflammatory cytokines as independent risk factors for heart failure decompensation and cardiovascular death.

Keywords:
CRPIL-1IL-6TNF-αfibrinogenheart failureiNOSinflammationmyeloperoxidaseproinflammatory cytokines

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Area of Science:

  • Cardiology
  • Immunology
  • Internal Medicine

Background:

  • Chronic heart failure affects 1-2% globally, rising to over 10% in those >65.
  • Inflammation is linked to chronic disease progression, including heart failure.
  • The role of inflammation in heart failure phenotypes requires further investigation.

Purpose of the Study:

  • To review evidence on inflammatory activation in heart failure.
  • To identify proinflammatory cytokines as independent risk factors for adverse outcomes.
  • To explore potential targets for modulating inflammatory responses in heart failure management.

Main Methods:

  • Systematic review of clinical studies.
  • Evaluation of data on proinflammatory cytokines.
  • Analysis of associations with heart failure decompensation and cardiovascular death.

Main Results:

  • Specific proinflammatory cytokines identified as independent risk factors.
  • Evidence reviewed on the inflammatory cascade in heart failure.
  • Potential therapeutic targets for inflammatory modulation highlighted.

Conclusions:

  • Inflammation is a critical factor in chronic heart failure.
  • Targeting specific inflammatory pathways may improve heart failure outcomes.
  • Further research into inflammatory modulation is warranted for heart failure treatment.