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Published on: November 5, 2021
Chagas' disease and AIDS
Anil K Vaidian1, Louis M Weiss, Herbert B Tanowitz
1Department of Medicine (Division of Infectious Diseases), Albert Einstein College of Medicine and Montefiore Medical Center, Bronx New York 10461, USA. tanowitz@aecom.yu.edu
Insights
Reactivation of Chagas' disease (Trypanosoma cruzi infection) in individuals with HIV/AIDS can cause meningoencephalitis or myocarditis. Distinguishing it from toxoplasmosis is challenging, even in non-endemic regions.
Area of Science:
- Infectious Diseases
- Immunology
- Neurology
Background:
- Chagas' disease, caused by Trypanosoma cruzi, is an opportunistic infection in HIV/AIDS patients.
- Reactivation of chronic T. cruzi infection in HIV/AIDS individuals commonly presents as meningoencephalitis or myocarditis.
- Co-infection with HIV and T. cruzi occurs in endemic and non-endemic areas, complicating diagnosis.
Purpose of the Study:
- To discuss the pathological features of Chagas' disease reactivation in HIV/AIDS.
- To review diagnostic challenges and methods for T. cruzi reactivation in HIV/AIDS.
- To explore the role of cytokines in the pathogenesis of T. cruzi reactivation.
Main Methods:
- Literature review of pathological features.
- Analysis of diagnostic strategies for T. cruzi and HIV co-infection.
- Discussion of cytokine involvement in disease pathogenesis.
Main Results:
- Reactivated Chagas' disease in HIV/AIDS most commonly manifests as meningoencephalitis, followed by myocarditis.
- Clinical presentations can mimic toxoplasmosis, posing diagnostic difficulties.
- Diagnosis is challenging in both endemic and non-endemic regions.
Conclusions:
- HIV/AIDS patients with chronic T. cruzi infection are at risk for reactivation.
- Accurate diagnosis requires differentiating T. cruzi reactivation from other opportunistic infections like toxoplasmosis.
- Understanding pathogenesis, including cytokine roles, is crucial for managing this co-infection.
Abstract:
Chagas' disease caused by Trypanosoma cruzi is an opportunistic infection in the setting of HIV/AIDS. Some individuals with HIV and chronic T. cruzi infection may experience a reactivation, which is most commonly manifested by meningoencephalitis. A reactivation myocarditis is the second most common manifestation. These presentations may be difficult to distinguish from toxoplasmosis in individuals with HIV/AIDS. The overlap of HIV and Trypanosoma cruzi infection occurs not only in endemic areas but also in non-endemic areas of North America and Europe where the diagnosis may be even more difficult. The pathological features, diagnosis and the role of cytokines in the pathogenesis of the disease are discussed.
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