Related Experiment Video
Updated: Jun 13, 2025

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
Published on: January 27, 2019
Unraveling the Missing Pieces: Exploring the Gaps in Understanding Chagas Cardiomyopathy
Keerthana Veluswami1, Sudipta Rao2, Shailesh Aggarwal2
1Internal Medicine, Stanley Medical College, Chennai, IND.
Insights
Chagas cardiomyopathy, a neglected tropical disease caused by Trypanosoma cruzi, presents diagnostic and treatment challenges. This review details pathogenesis, diagnostic methods, and current management strategies for this significant public health concern.
Area of Science:
- Cardiology
- Infectious Diseases
- Tropical Medicine
Background:
- Chagas cardiomyopathy, caused by Trypanosoma cruzi, is a neglected tropical disease with significant morbidity and mortality.
- Knowledge gaps persist regarding its pathogenesis, diagnosis, and treatment, despite its long-standing recognition.
Purpose of the Study:
- To review the primary pathogenetic mechanisms of Chagas cardiomyopathy.
- To highlight diagnostic challenges, particularly in the asymptomatic indeterminate phase.
- To summarize current diagnostic and treatment approaches for Chagas cardiomyopathy.
Main Methods:
- Review of existing research on Chagas cardiomyopathy pathogenesis.
- Analysis of diagnostic techniques including echocardiography, ECG, MRI, and nuclear imaging.
- Overview of current treatment strategies, noting their non-etiology-specific nature.
Main Results:
- Chagas cardiomyopathy pathogenesis involves complex mechanisms that are still under investigation.
- Diagnosing the indeterminate phase of Chagas cardiomyopathy remains challenging.
- Current treatments for Chagas cardiomyopathy are primarily supportive and adapted from other cardiac conditions.
Conclusions:
- Further research is needed to elucidate Chagas cardiomyopathy pathogenesis and develop targeted therapies.
- Improved diagnostic strategies are crucial for early detection and management.
- Multidisciplinary approaches are essential for addressing the complexities of Chagas cardiomyopathy.
Abstract:
Chagas cardiomyopathy affects a considerable number of patients infected with the protozoan Trypanosoma cruzi (T. cruzi) and remains one of the most neglected tropical diseases despite being a significant contributor to morbidity and mortality in both endemic regions of Latin America and non-endemic countries like the United States. Since its discovery almost a century ago, knowledge gaps still exist in the mechanisms involved in the pathogenesis of Chagas cardiomyopathy, and numerous challenges exist in its diagnosis and treatment. This article reviews the main pathogenetic mechanisms involved in the progression of Chagas cardiomyopathy, which has been proposed as a result of years of research. It also emphasizes the challenges involved in the diagnosis of the asymptomatic indeterminate phase and has focused on several diagnostic techniques, including echocardiography, electrocardiogram (ECG), magnetic resonance imaging (MRI), and nuclear imaging in diagnosing symptomatic Chagas cardiomyopathy. In this article, we have also provided a brief overview of the current treatment of Chagas cardiomyopathy, which is not etiology-specific but instead derived from the knowledge acquired from the treatment of other cardiomyopathies.
Related Concept Videos
Imbalances in Cardiac Output
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...
Pathophysiology of Heart Failure

