Related Experiment Video
Updated: Jul 8, 2026

13:42
A Murine Closed-chest Model of Myocardial Ischemia and Reperfusion
Published on: July 17, 2012
Cytokines and acute heart failure
David Chen1, Christian Assad-Kottner, Carlos Orrego
1Methodist DeBakey Heart Center, The Methodist Hospital, Houston, TX, USA.
Critical Care Medicine
|February 15, 2008
Summary
Inflammation drives chronic heart failure through cytokines. Acute decompensated heart failure
Area of Science:
- Cardiology
- Immunology
- Biochemistry
Background:
- Chronic heart failure involves ongoing myocardial injury due to inflammatory system activation.
- Proinflammatory cytokines, such as tumor necrosis factor-alpha and interleukin-6, are implicated in chronic heart failure pathogenesis.
- Acute decompensated heart failure exacerbates outcomes through neurohormonal activation, apoptosis, and inflammation.
Purpose of the Study:
- To investigate the role of the inflammatory cascade in acute decompensated heart failure.
- To clarify the specific changes in inflammatory cytokine activation during acute decompensation.
- To highlight the need for further research into cytokine roles in this patient group.
Main Methods:
- Review of existing literature on inflammatory mechanisms in heart failure.
- Analysis of the interplay between chronic and acute decompensated heart failure.
- Identification of key inflammatory mediators and pathways.
Main Results:
- The inflammatory system, including cytokines, autoantibodies, and adhesion molecules, contributes to chronic heart failure progression.
- Acute decompensation involves complex mechanisms, including inflammation, but specific cytokine changes are less understood.
- Anti-inflammatory therapies are being explored for chronic heart failure.
Conclusions:
- Inflammation is a key factor in chronic heart failure, with specific cytokines playing a pathogenetic role.
- The precise inflammatory cytokine dynamics in acute decompensated heart failure require further investigation.
- Larger studies are essential to elucidate the roles of circulating and intracardiac cytokines in acute decompensation.
Related Concept Videos
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 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...
Heart Failure Drugs: Inotropic Agents
Positive inotropic agents are commonly used as the first line of treatment for heart failure. One such agent is digoxin, derived from the genus Digitalis, which has been known for centuries but effectively utilized since 1785. However, these cardiac glycosides can have potentially toxic effects due to their mechanism of action, which involves inhibiting Na+/K+-ATPase and increasing contractility. Digoxin is absorbed orally and distributed in various tissues, including the CNS. It has a long...
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...
Myocarditis I: Introduction
Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
Acute Kidney Injury II: Pathophysiology
Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...