Related Experiment Video

Updated: Dec 30, 2025

Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model
09:23

Parasite Induced Genetically Driven Autoimmune Chagas Heart Disease in the Chicken Model

Published on: July 29, 2012

14.4K

Chagas Disease: Chronic Chagas Cardiomyopathy

Natalia Giraldo Echavarría, Luis E Echeverría, Merrill Stewart

    Current Problems in Cardiology
    |January 28, 2020
    PubMed

    Insights

    Chagas disease, caused by Trypanosoma cruzi, affects the heart and digestive systems years after infection. Current treatments for chronic Chagas cardiomyopathy are limited, necessitating further research for improved patient outcomes.

    Area of Science:

    • Infectious Diseases
    • Cardiology
    • Tropical Medicine

    Background:

    • Chagas disease (CD), caused by Trypanosoma cruzi, is a vector-borne infection endemic to South and Central America.
    • Migration has increased the burden of CD in the United States and Europe.
    • While the acute phase is often asymptomatic, the chronic phase can lead to significant organ damage, particularly cardiovascular and digestive complications.

    Purpose of the Study:

    • To review the pathophysiology and clinical manifestations of Chagas cardiomyopathy.
    • To discuss current treatment strategies for Chagas disease and its chronic cardiac complications.
    • To highlight the need for further research to improve clinical outcomes.

    Main Methods:

    • Literature review of studies on Chagas disease, Trypanosoma cruzi infection, and Chagas cardiomyopathy.
    • Analysis of epidemiological data regarding the spread and impact of CD.
    • Synthesis of information on current therapeutic approaches and ongoing research.

    Main Results:

    • Chagas cardiomyopathy is a leading cause of nonischemic cardiomyopathy in Latin America, affecting approximately 30% of infected individuals.
    • Characteristic cardiac pathology includes diffuse myocarditis and focal fibrosis, predisposing to arrhythmias.
    • Etiologic treatment is effective during the parasitic infection but lacks established efficacy in advanced chronic stages.

    Conclusions:

    • Chronic Chagas cardiomyopathy requires management similar to other nonischemic cardiomyopathies, but specific therapeutic advancements are needed.
    • Further research is imperative to refine treatment protocols and improve the prognosis for patients with advanced Chagas disease.
    • Ongoing studies aim to enhance clinical outcomes and develop more effective interventions for Chagas cardiomyopathy.

    More Related Videos

    In Vitro Drug Screening Against All Life Cycle Stages of Trypanosoma cruzi Using Parasites Expressing β-galactosidase08:48

    In Vitro Drug Screening Against All Life Cycle Stages of Trypanosoma cruzi Using Parasites Expressing β-galactosidase

    Published on: November 5, 2021

    3.7K
    Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates13:55

    Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates

    Published on: January 27, 2019

    15.5K

    Related Concept Videos

    Cardiomyopathy II: Dilated Cardiomyopathy01:30

    Cardiomyopathy II: Dilated Cardiomyopathy

    Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...
    380
    Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

    Cardiomyopathy III: Hypertrophic Cardiomyopathy

    Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
    307
    Cardiomyopathy I: Introduction and Classification01:25

    Cardiomyopathy I: Introduction and Classification

    Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
    427
    Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

    Cardiomyopathy IV: Restrictive Cardiomyopathy

    Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
    385
    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...
    2.2K
    Myocarditis I: Introduction01:21

    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...
    287