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Oliveira CDL, Cardoso CS, Baldoni NR, Natany L, Ferreira AM, Oliveira LCD, Nunes MDCP, Quintino ND, Bierrenbach AL, Buss LF, Haikal DS, Cunha Neto E, Ribeiro ALP, Sabino EC. Cohort profile update: the main and new findings from the SaMi-Trop Chagas cohort. Rev Inst Med Trop Sao Paulo 2021; 63:e75. [PMID: 34586309 PMCID: PMC8494491 DOI: 10.1590/s1678-9946202163075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 08/23/2021] [Indexed: 11/22/2022] Open
Abstract
The SaMi-Trop project is a cohort study conducted in 21 municipalities of endemic areas of Chagas disease, including 1,959 patients with chronic Chagas cardiomyopathy. In this article we updated the results of the project, adding information from the second cohort visit. Trypanosoma cruzi-seropositive patients were enrolled from the primary care Telehealth service in Minas Gerais State, Brazil. The eligibility criterium for the second visit was the participation in the baseline evaluation. Of 1,959 participants at the baseline assessment, 1,585 (79.9%) returned after two years for the second evaluation. The mortality rate was 6.7%, but varied from 0.9% to 18.2% when it was stratified by certain clinical characteristics. A lower age-adjusted NT-Pro-BNP level (less than 300) and a prior benznidazole treatment were associated with lower mortality. There was an improvement in most quality of life domain scores. Participants have also reported fewer signs and symptoms and greater use of medication. The second follow-up visit will be complete in Oct 2021.
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Affiliation(s)
| | | | | | - Larissa Natany
- Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | | | - Lea Campos de Oliveira
- Universidade de São Paulo, Instituto de Medicina Tropical de São Paulo, São Paulo, São Paulo, Brazil
| | | | | | - Ana Luiza Bierrenbach
- Hospital Sírio-Libanês, Vital Strategies, São Paulo, São Paulo, Brazil.,Universidade Federal de Goiás, Instituto de Patologia Tropical e Saúde Pública, Programa de Pós-Graduação, Goiânia, Goiás, Brazil
| | - Lewis F Buss
- Universidade de São Paulo, Instituto de Medicina Tropical de São Paulo, São Paulo, São Paulo, Brazil
| | | | - Edecio Cunha Neto
- Universidade de São Paulo, Faculdade de Medicina, Instituto do Coração, Laboratório de Imunologia, São Paulo, São Paulo, Brazil.,Universidade de São Paulo, Faculdade de Medicina, Divisão de Imunologia Clínica e Alergia, São Paulo, São Paulo, Brazil
| | | | - Ester Cerdeira Sabino
- Universidade de São Paulo, Instituto de Medicina Tropical de São Paulo, São Paulo, São Paulo, Brazil
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