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Clark EH, Messenger LA, Whitman JD, Bern C. Chagas disease in immunocompromised patients. Clin Microbiol Rev 2024; 37:e0009923. [PMID: 38546225 PMCID: PMC11237761 DOI: 10.1128/cmr.00099-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2024] Open
Abstract
SUMMARYAs Chagas disease remains prevalent in the Americas, it is important that healthcare professionals and researchers are aware of the screening, diagnosis, monitoring, and treatment recommendations for the populations of patients they care for and study. Management of Trypanosoma cruzi infection in immunocompromised hosts is challenging, particularly because, regardless of antitrypanosomal treatment status, immunocompromised patients with Chagas disease are at risk for T. cruzi reactivation, which can be lethal. Evidence-based practices to prevent and manage T. cruzi reactivation vary depending on the type of immunocompromise. Here, we review available data describing Chagas disease epidemiology, testing, and management practices for various populations of immunocompromised individuals, including people with HIV and patients undergoing solid organ and hematopoietic stem cell transplantation.
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Affiliation(s)
- Eva H Clark
- Section of Infectious Diseases, Department of Medicine, Baylor College of Medicine, Houston, Texas, USA
- Division of Tropical Medicine, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Louisa A Messenger
- Department of Environmental and Occupational Health, University of Nevada Las Vegas, Las Vegas, Nevada, USA
| | - Jeffrey D Whitman
- Department of Laboratory Medicine, University of California San Francisco School of Medicine, San Francisco, California, USA
| | - Caryn Bern
- Department of Epidemiology and Biostatistics, University of California San Francisco School of Medicine, San Francisco, California, USA
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Beatty NL, Arango-Ferreira C, Gual-Gonzalez L, Zuluaga S, Nolan MS, Cantillo-Barraza O. Oral Chagas Disease in Colombia-Confirmed and Suspected Routes of Transmission. Trop Med Infect Dis 2024; 9:14. [PMID: 38251211 PMCID: PMC10819552 DOI: 10.3390/tropicalmed9010014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/21/2023] [Accepted: 12/28/2023] [Indexed: 01/23/2024] Open
Abstract
Chagas disease (CD) remains endemic throughout many regions of Colombia despite implementing decades of vector control strategies in several departments. Some regions have had a significant decrease in vectorial transmission, but the oral ingestion of Trypanosoma cruzi through consumption of contaminated food and drink products is increasingly described. This form of transmission has important public health relevance in Colombia due to an increase in reported acute CD cases and clinical manifestations that often lead to significant morbidity and mortality. Oral CD in Colombia has been associated with the consumption of contaminated fruit juices, such as palm wine, sugar cane, or tangerine juice and water for consumption, or contaminated surfaces where food has been prepared. Another interesting route of oral transmission includes ingestion of unbeknownst infected armadillos' blood, which is related to a traditional medicine practice in Colombia. Some earlier reports have also implemented consumption of infected bush meat as a source, but this is still being debated. Within the Amazon Basin, oral transmission is now considered the principal cause of acute CD in these regions. Furthermore, new cases of acute CD are now being seen in departments where CD has not been documented, and triatomine vectors are not naturally found, thus raising suspicion for oral transmission. The oral CD could also be considered a food-borne zoonosis, and odoriferous didelphid secretions have been implemented in contaminating the human dwelling environment, increasing the risk of consumption of infectious metacyclic trypomastigotes. In this article, we will discuss the complex transmission dynamics of oral CD in Colombia and further examine the unique clinical manifestations of this route of infection. New insights into the oral transmission of Trypanosoma cruzi are being discovered in Colombia, which can help bring increased awareness and a better understanding of this neglected tropical disease to reduce the burden of CD throughout Latin America.
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Affiliation(s)
- Norman L. Beatty
- Division of Infectious Diseases and Global Medicine, Department of Medicine, University of Florida College of Medicine, Gainesville, FL 32610, USA;
- Emerging Pathogens Institute, University of Florida, Gainesville, FL 32610, USA
| | - Catalina Arango-Ferreira
- Departamento de Pediatría, Hospital San Vicente Fundación, Medellín 050010, Colombia;
- Departamento de Pediatría, Facultad de Medicina, Universidad de Antioquia, Medellín 050010, Colombia
| | - Lídia Gual-Gonzalez
- Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA; (L.G.-G.); (M.S.N.)
| | - Sara Zuluaga
- Grupo Biología y Control de Enfermedades Infecciosas, Universidad de Antioquia, Medellín 050010, Colombia;
| | - Melissa S. Nolan
- Arnold School of Public Health, University of South Carolina, Columbia, SC 29208, USA; (L.G.-G.); (M.S.N.)
| | - Omar Cantillo-Barraza
- Grupo Biología y Control de Enfermedades Infecciosas, Universidad de Antioquia, Medellín 050010, Colombia;
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Hakim JMC, Waltmann A, Tinajeros F, Kharabora O, Machaca EM, Calderon M, del Carmen Menduiña M, Wang J, Rueda D, Zimic M, Verástegui M, Juliano JJ, Gilman RH, Mugnier MR, Bowman NM. Amplicon Sequencing Reveals Complex Infection in Infants Congenitally Infected With Trypanosoma Cruzi and Informs the Dynamics of Parasite Transmission. J Infect Dis 2023; 228:769-776. [PMID: 37119236 PMCID: PMC10503952 DOI: 10.1093/infdis/jiad125] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 02/08/2023] [Accepted: 04/26/2023] [Indexed: 05/01/2023] Open
Abstract
Congenital transmission of Trypanosoma cruzi is an important source of new Chagas infections worldwide. The mechanisms of congenital transmission remain poorly understood, but there is evidence that parasite factors are involved. Investigating changes in parasite strain diversity during transmission could provide insight into the parasite factors that influence the process. Here we use amplicon sequencing of a single copy T. cruzi gene to evaluate the diversity of infection in clinical samples from Chagas positive mothers and their infected infants. Several infants and mothers were infected with multiple parasite strains, mostly of the same TcV lineage, and parasite strain diversity was higher in infants than mothers. Two parasite haplotypes were detected exclusively in infant samples, while one haplotype was never found in infants. Together, these data suggest multiple parasites initiate a congenital infection and that parasite factors influence the probability of vertical transmission.
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Affiliation(s)
- Jill M C Hakim
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Andreea Waltmann
- Institute for Global Health and Infectious Disease, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | | | - Oksana Kharabora
- Institute for Global Health and Infectious Disease, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Edith Málaga Machaca
- Asociación Benéfica PRISMA, Lima, Peru
- Infectious Diseases Research Laboratory, Department of Cellular and Molecular Sciences, Universidad Peruana Cayetano Heredia, Lima, Perú
| | - Maritza Calderon
- Infectious Diseases Research Laboratory, Department of Cellular and Molecular Sciences, Universidad Peruana Cayetano Heredia, Lima, Perú
| | | | - Jeremy Wang
- University of North Carolina, Chapel Hill School of Medicine, Chapel Hill, North Carolina, USA
| | - Daniel Rueda
- Facultad de Ciencias, Universidad Nacional de Ingeniería, Lima, Perú
| | - Mirko Zimic
- Infectious Diseases Research Laboratory, Department of Cellular and Molecular Sciences, Universidad Peruana Cayetano Heredia, Lima, Perú
| | - Manuela Verástegui
- Infectious Diseases Research Laboratory, Department of Cellular and Molecular Sciences, Universidad Peruana Cayetano Heredia, Lima, Perú
| | - Jonathan J Juliano
- Institute for Global Health and Infectious Disease, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
- Division of Infectious Diseases, Department of Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina, USA
| | - Robert H Gilman
- Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Monica R Mugnier
- Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
| | - Natalie M Bowman
- Division of Infectious Diseases, Department of Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, North Carolina, USA
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Olivo Freites C, Sy H, Gharamti A, Higuita NIA, Franco-Paredes C, Suárez JA, Henao-Martínez AF. Chronic Chagas Disease-the Potential Role of Reinfections in Cardiomyopathy Pathogenesis. Curr Heart Fail Rep 2022; 19:279-289. [PMID: 35951245 DOI: 10.1007/s11897-022-00568-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/11/2022] [Indexed: 10/15/2022]
Abstract
PURPOSE OF THE REVIEW Chagas disease is a neglected anthropozoonosis of global importance with significant cardiovascular-associated mortality. This review focuses on the Trypanosoma cruzi reinfections' role in chronic Chagas cardiomyopathy pathogenesis. We discuss and summarize the available data related to pathology, pathogenesis, diagnosis, and treatment of reinfections. RECENT FINDINGS Reinfections influence the genetic and regional diversity of T. cruzi, tissue tropism, modulation of the host's immune system response, clinical manifestations, the risk for congenital infections, differences in diagnostics performances, response to antiparasitic therapy, and the natural history of the disease. Animal models suggest that reinfections lead to worse outcomes and increased mortality, while other studies showed an association between reinfections and lower parasitemia levels and subsequent infection protection. In some regions, the human risk of reinfections is 14% at 5 years. Evidence has shown that higher anti-T. cruzi antibodies are correlated with an increased rate of cardiomyopathy and death, suggesting that a higher parasite exposure related to reinfections may lead to worse outcomes. Based on the existing literature, reinfections may play a role in developing and exacerbating chronic Chagas cardiomyopathy and are linked to worse outcomes. Control efforts should be redirected to interventions that address structural poverty for the successful and sustainable prevention of Chagas disease.
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Affiliation(s)
- Christian Olivo Freites
- Division of Infectious Diseases, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
| | - Hendrik Sy
- Internal Medicine Department, Mount Sinai Health System, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Amal Gharamti
- Internal Medicine Department, Yale-Waterbury Hospital, Yale School of Medicine, New Haven, CT, USA
| | | | | | - José Antonio Suárez
- Clinical Research Department, Investigador SNI Senacyt Panamá, Instituto Conmemorativo Gorgas de Estudios de La Salud, Panamá City, Republic of Panama
| | - Andrés F Henao-Martínez
- Department of Medicine, University of Colorado Anschutz Medical Campus, 12700 E. 19th Avenue, Mail Stop B168, Aurora, CO, USA.
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Clark EH, Bern C. Chagas Disease in People with HIV: A Narrative Review. Trop Med Infect Dis 2021; 6:tropicalmed6040198. [PMID: 34842854 PMCID: PMC8628961 DOI: 10.3390/tropicalmed6040198] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/05/2021] [Accepted: 11/05/2021] [Indexed: 01/18/2023] Open
Abstract
Many questions remain unanswered regarding the epidemiology, pathophysiology, diagnosis, treatment, and monitoring of Trypanosoma cruzi infection in people with HIV (PWH). The reported prevalence of T. cruzi infection in PWH living in endemic countries ranges from 1-28% and is likely similar in at-risk US populations. While classic cardiac and gastrointestinal presentations of chronic Chagas disease occur in PWH, PWH are additionally at risk for a severe and often fatal form of T. cruzi-mediated disease called reactivation disease. T. cruzi reactivation typically occurs in PWH with low CD4 counts and poor virologic control. National HIV guidelines in several endemic South American countries recommend that all PWH be screened for T. cruzi infection at the time of HIV diagnosis; however, this recommendation is not widely implemented. The early detection of T. cruzi infection in PWH is critical as the sequelae of Chagas disease, including T. cruzi reactivation, may be preventable through the restoration of robust cellular immunity via the initiation of antiretroviral therapy and the appropriate use of antitrypanosomal therapy.
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Affiliation(s)
- Eva H. Clark
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Pediatrics, Section of Tropical Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Correspondence:
| | - Caryn Bern
- Department of Biostatistics and Epidemiology, University of California San Francisco, San Francisco, CA 94158, USA;
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