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Published on: February 4, 2018
Chagas' cardiomyopathy and Lyme carditis: Lessons learned from two infectious diseases affecting the heart
Cynthia Yeung1, Ivan Mendoza2, Luis Eduardo Echeverria3
1Department of Medicine, Clinical Electrophysiology and Pacing, Kingston General Hospital, Queen's University, 76 Stuart Street, Kingston, Ontario K7L 2V7, Canada.
Insights
Chagas
Area of Science:
- Cardiology
- Infectious Diseases
- Public Health
Background:
- Chagas' disease and Lyme disease are endemic, vector-borne zoonotic infections affecting multiple organs, notably the heart.
- Chagas' cardiomyopathy progresses to dilated cardiomyopathy and heart failure decades post-infection.
- Lyme carditis sequelae are less understood than early-disseminated Lyme disease effects.
Purpose of the Study:
- To explore potential applications of Chagas' cardiomyopathy research to Lyme carditis.
- To identify commonalities between these two distinct vector-borne cardiac diseases.
Main Methods:
- Comparative analysis of existing research on Chagas' cardiomyopathy and Lyme carditis.
- Literature review focusing on pathophysiological models, therapeutic trials, and social determinants of health.
Main Results:
- Extensive research on Chagas' cardiomyopathy provides robust data on disease progression and management.
- Lyme carditis long-term effects remain less defined compared to Chagas' disease.
Conclusions:
- Lessons learned from a century of Chagas' cardiomyopathy research may offer valuable insights for understanding and managing Lyme carditis.
- Further investigation into shared pathophysiological mechanisms and therapeutic strategies is warranted.
Abstract:
Chagas' disease and Lyme disease are two endemic, vector-borne zoonotic infectious diseases that impact multiple organ systems, including the heart. Chagas' cardiomyopathy is a progressive process that can evolve into a dilated cardiomyopathy and heart failure several decades after the acute infection; in contrast, although early-disseminated Lyme carditis has been relatively well characterized, the sequelae of Lyme disease on the heart are less well-defined. A century of research on Chagas' cardiomyopathy has generated compelling data for pathophysiological models, evaluated the efficacy of therapy in large randomized controlled trials, and explored the social determinants of health impacting preventative measures. Recognizing the commonalities between Chagas' disease and Lyme disease, we speculate on whether some of the lessons learned from Chagas' cardiomyopathy may be applicable to Lyme carditis.
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