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Filgueiras PS, Corsini CA, Almeida NBF, Pedrosa MLC, Miranda DAPD, Gomes SVC, Assis JVD, Silva RA, Medeiros MIVDARCD, Lourenço AJ, Bicalho CMF, Vilela RVR, Jeremias WDJ, Fernandes GDR, Queiroz RFGE. Rapid antigen test as a tool for the identification of SARS-CoV-2 infection and its potential as a self-testing device. Rev Soc Bras Med Trop 2023; 56:e01672022. [PMID: 37222349 DOI: 10.1590/0037-8682-0167-2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 03/01/2023] [Indexed: 05/25/2023] Open
Abstract
BACKGROUND SARS-CoV-2 virus originated in Wuhan (China) in December (2019) and quickly spread worldwide. Antigen tests are rapid diagnostic tests (RDT) that produce results in 15-30 min and are an important tool for the scale-up of COVID-19 testing. COVID-19 diagnostic tests are authorized for self-testing at home in some countries, including Brazil. Widespread COVID-19 diagnostic testing is required to guide public health policies and control the speed of transmission and economic recovery. METHODS Patients with suspected COVID-19 were recruited at the Hospital da Baleia (Belo Horizonte, Brazil). The SARS-CoV-2 antigen-detecting rapid diagnostic tests were evaluated from June 2020 to June 2021 using saliva, nasal, and nasopharyngeal swab samples from 609 patients. Patient samples were simultaneously tested using a molecular assay (RT-qPCR). Sensitivity, specificity, accuracy, and positive and negative predictive values were determined using the statistical program, MedCalc, and GraphPad Prism 8.0. RESULTS The antigen-detecting rapid diagnostic tests displayed 98% specificity, 60% sensitivity, 96% positive predictive value, and moderate concordance with RT-qPCR. Substantial agreement was found between the two methods for patients tested < 7 days of symptom onset. CONCLUSIONS Our findings support the use of Ag-RDT as a valuable and safe diagnostic method. Ag-RDT was also demonstrated to be an important triage tool for suspected COVID-19 patients in emergencies. Overall, Ag-RDT is an effective strategy for reducing the spread of SARS-CoV-2 and contributing to COVID-19 control.
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Affiliation(s)
- Priscilla Soares Filgueiras
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
| | - Camila Amormino Corsini
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Nathalie Bonatti Franco Almeida
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade da Geórgia, Faculdade de Medicina Veterinária, Departamento de Doenças Infecciosas, Athens, GA, Estados Unidos da América
| | - Maria Luysa Camargos Pedrosa
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Daniel Alvim Pena de Miranda
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Sarah Vieira Contin Gomes
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
| | - Jéssica Vieira de Assis
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
| | | | | | | | | | | | - Wander de Jesus Jeremias
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Ouro Preto, Departamento de Farmácia, Ouro Preto, MG, Brasil
| | | | - Rafaella Fortini Grenfell E Queiroz
- Fundação Oswaldo Cruz, Instituto René Rachou, Diagnóstico e Terapia de Doenças Infecciosas e Câncer, Belo Horizonte, MG, Brasil
- Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Programa de Pós-Graduação em Patologia, Belo Horizonte, MG, Brasil
- Universidade da Geórgia, Faculdade de Medicina Veterinária, Departamento de Doenças Infecciosas, Athens, GA, Estados Unidos da América
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Almeida NBF, Filgueiras PS, Lourenço AJ, Bicalho CMF, Corsini CA, de Miranda DAP, Gomes SVC, Vilela RVR, Grenfell RFQ. COVID-19 in patients with chronic kidney disease: a 2-year study of incidence and mortality in relation to the variants of concern waves in Brazil. Trans R Soc Trop Med Hyg 2023:7115601. [PMID: 37042271 DOI: 10.1093/trstmh/trad019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 02/15/2023] [Accepted: 03/26/2023] [Indexed: 04/13/2023] Open
Abstract
BACKGROUND Chronic kidney disease (CKD) is a risk factor for severe coronavirus disease (COVID-19). In Brazil, the disease is the 10th highest cause of death. We evaluated the epidemiological impact of COVID-19 in CDK and non-CDK patients. METHODS Positive patients for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from 2020 to 2022 were classified according to the severity of COVID-19 and the numbers of cases and deaths were correlated to each wave of SARS-CoV-2 variants in Brazil. RESULTS We compared all variables, and our data show that CDK significantly increased the mortality rate among patients, especially before COVID-19 vaccination, in comparison with non-CKD patients. CONCLUSIONS CKD patients had a significantly increased mortality rate compared with non-CKD.
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Affiliation(s)
- Nathalie Bonatti Franco Almeida
- Diagnosis and Therapy of Infectious Diseases and Cancer, Rene Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, 30190-002, Brazil
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, 501 DW Brooks Drive, Athens, Georgia, 30602-7387, USA
| | - Priscilla Soares Filgueiras
- Diagnosis and Therapy of Infectious Diseases and Cancer, Rene Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, 30190-002, Brazil
- Institute of Biological Sciences, Federal University of Minas Gerais, 6627 Presidente Antônio Carlos Avenue, Belo Horizonte, Minas Gerais, 31270-901, Brazil
| | - Adelina Junia Lourenço
- Hospital da Baleia, Benjamin Guimarães Foundation, 1464 Juramento, Belo Horizonte, Minas Gerais, 30285-408, Brazil
| | | | - Camila Amormino Corsini
- Diagnosis and Therapy of Infectious Diseases and Cancer, Rene Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, 30190-002, Brazil
| | - Daniel Alvim Pena de Miranda
- Diagnosis and Therapy of Infectious Diseases and Cancer, Rene Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, 30190-002, Brazil
| | - Sarah Vieira Contin Gomes
- Diagnosis and Therapy of Infectious Diseases and Cancer, Rene Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, 30190-002, Brazil
| | - Raquel V R Vilela
- Hospital da Baleia, Benjamin Guimarães Foundation, 1464 Juramento, Belo Horizonte, Minas Gerais, 30285-408, Brazil
| | - Rafaella Fortini Queiroz Grenfell
- Diagnosis and Therapy of Infectious Diseases and Cancer, Rene Rachou Institute, Oswaldo Cruz Foundation (FIOCRUZ), 1715 Augusto de Lima Avenue, Belo Horizonte, Minas Gerais, 30190-002, Brazil
- Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia, 501 DW Brooks Drive, Athens, Georgia, 30602-7387, USA
- Institute of Biological Sciences, Federal University of Minas Gerais, 6627 Presidente Antônio Carlos Avenue, Belo Horizonte, Minas Gerais, 31270-901, Brazil
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