Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units
| Autor(a) principal: | |
|---|---|
| Data de Publicação: | 2019 |
| Outros Autores: | , , , , , , , , , , , |
| Tipo de documento: | Artigo |
| Idioma: | eng |
| Título da fonte: | Repositório Institucional da FIOCRUZ (ARCA) |
| Texto Completo: | https://www.arca.fiocruz.br/handle/icict/36938 |
Resumo: | Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em Micobacterioses. Rio de Janeiro, RJ, Brasil. |
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Benjamin, AlineCavalcante, Solange CesarJamal, Leda FátimaArakaki-Sanchez, DeniseLima, Josué Nazareno dePilotto, José HenriqueOliveira Junior, Francisco Ivanildo deSouza, Tâmara Newman LobatoLourenço, Maria CristinaMello, Maeve Brito deBrasil, Pedro Emmanuel Alvarenga Americano doBarreira, DraurioRolla, Valeria2019-11-07T14:26:13Z2019-11-07T14:26:13Z2019BENJAMIN, Aline et al. Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units. Plos One, p. 1-10, Sept. 2019.1932-6203https://www.arca.fiocruz.br/handle/icict/3693810.1371/journal.pone.02210381932-6203engPublic Library of ScienceAccuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health unitsinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleFundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em Micobacterioses. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em Micobacterioses. Rio de Janeiro, RJ, Brasil.Health Secretariat of State of São Paulo. STD/AIDS Reference and Training Center. São Paulo, SP, Brazil.Ministry of Health. National Tuberculosis Program. Brasilia, DF, Brazil.Ministry of Health. National Tuberculosis Program. Brasilia, DF, Brazil.Nova Iguaçu General Hospital. STD/AIDS Service. Nova Iguaçu,RJ, Brazil / Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Rio de Janeiro, RJ, Brasil.Institute of Infectious Disease Emilio Ribas. São Paulo, SP, Brazil.Institute of Infectious Disease Emilio Ribas. São Paulo, SP, Brazil.Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Bacteriologia e Bioensaios. Rio de Janeiro, RJ, Brasil.Pan American Health Organization. Washington, DC, USA.Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa em Imunização e Vigilância em Saúde. Rio de Janeiro, RJ, Brasil.Unitaid. Geneva, Switzerland.Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em Micobacterioses. Rio de Janeiro, RJ, Brasil.Background: Determine TB-LAM Ag (LAM) is a point of care test developed to diagnose tuberculosis (TB). The aim of this study was to evaluate the diagnostic performance of LAM in people living with HIV using Brazilian public health network algorithm for TB diagnosis. Methods and findings A cross-sectional study design was used to enroll 199 adult patients in two sites in Rio de Janeiro and two in São Paulo. The study enrolled HIV-infected patients with CD4 counts ≤ 200 cells/mm3 (in the Alere PIMA CD4 assay at study screening), patients coughing for at least 2 weeks or presenting a chest radiography suggestive of TB. LAM, in conjunction with sputum smear microscopy or Xpert MTB/RIF (Xpert) as compared to Mycobacterium tuberculosis culture, which was used as a reference standard. TB prevalence was 24.6%. Overall accuracy of LAM was 79.9% (73.8%-84.9%), positive and negative predictive values were 62.2% (46.1%-75.9%) and 84% (77.5%-88.8%), respectively. The overall LAM sensitivity was 46.9% (33.7%-60.6%) and specificity was 90.7% (84.9%-94.4%). The best performance of LAM was observed among patients with CD4 counts ≤ 50 cells/mm3 (sensitivity = 70.4% and specificity = 85.9%). When 2 respiratory smears were used in conjunction with LAM, sensitivity increased 22%, as compared to just 2 smears. Furthermore, LAM when used in conjunction with two respiratory smears, was as sensitive as compared to a single one. However, no improvement in TB diagnosis occurred when LAM was used with Xpert as compared to Xpert alone. Among 14 LAM false positive tests, Non-Tuberculosis Mycobacteria were isolated in three cases. Conclusion: LAM is a point of care test that increased TB diagnosis in immunosuppressed HIV-infected patients when used in conjunction with smear microscopy, but not when used with Xpert in Brazilian public health network sites. Use of LAM test should be considered in settings where immunosuppressed HIV patients need rapid TB diagnosis.TB-LAM AgTuberculosisHIVPublic health unitsBrazilinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; charset=utf-83104https://www.arca.fiocruz.br/bitstream/icict/36938/1/license.txt79178e5f2a0eb066867a274556814938MD51ORIGINALve_Benjamin_Aline_etal_INI_2019.pdfve_Benjamin_Aline_etal_INI_2019.pdfapplication/pdf1246830https://www.arca.fiocruz.br/bitstream/icict/36938/2/ve_Benjamin_Aline_etal_INI_2019.pdf02919bca71baae71b2bde8c4f0a4cb80MD52TEXTve_Benjamin_Aline_etal_INI_2019.pdf.txtve_Benjamin_Aline_etal_INI_2019.pdf.txtExtracted texttext/plain30190https://www.arca.fiocruz.br/bitstream/icict/36938/3/ve_Benjamin_Aline_etal_INI_2019.pdf.txtc7c83fae9d2ab865eecd6b7d146835fdMD53icict/369382019-11-08 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| dc.title.pt_BR.fl_str_mv |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| title |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| spellingShingle |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units Benjamin, Aline TB-LAM Ag Tuberculosis HIV Public health units Brazil |
| title_short |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| title_full |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| title_fullStr |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| title_full_unstemmed |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| title_sort |
Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units |
| author |
Benjamin, Aline |
| author_facet |
Benjamin, Aline Cavalcante, Solange Cesar Jamal, Leda Fátima Arakaki-Sanchez, Denise Lima, Josué Nazareno de Pilotto, José Henrique Oliveira Junior, Francisco Ivanildo de Souza, Tâmara Newman Lobato Lourenço, Maria Cristina Mello, Maeve Brito de Brasil, Pedro Emmanuel Alvarenga Americano do Barreira, Draurio Rolla, Valeria |
| author_role |
author |
| author2 |
Cavalcante, Solange Cesar Jamal, Leda Fátima Arakaki-Sanchez, Denise Lima, Josué Nazareno de Pilotto, José Henrique Oliveira Junior, Francisco Ivanildo de Souza, Tâmara Newman Lobato Lourenço, Maria Cristina Mello, Maeve Brito de Brasil, Pedro Emmanuel Alvarenga Americano do Barreira, Draurio Rolla, Valeria |
| author2_role |
author author author author author author author author author author author author |
| dc.contributor.author.fl_str_mv |
Benjamin, Aline Cavalcante, Solange Cesar Jamal, Leda Fátima Arakaki-Sanchez, Denise Lima, Josué Nazareno de Pilotto, José Henrique Oliveira Junior, Francisco Ivanildo de Souza, Tâmara Newman Lobato Lourenço, Maria Cristina Mello, Maeve Brito de Brasil, Pedro Emmanuel Alvarenga Americano do Barreira, Draurio Rolla, Valeria |
| dc.subject.en.pt_BR.fl_str_mv |
TB-LAM Ag Tuberculosis HIV Public health units Brazil |
| topic |
TB-LAM Ag Tuberculosis HIV Public health units Brazil |
| description |
Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Pesquisa Clínica em Micobacterioses. Rio de Janeiro, RJ, Brasil. |
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2019 |
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2019-11-07T14:26:13Z |
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2019-11-07T14:26:13Z |
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2019 |
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info:eu-repo/semantics/publishedVersion |
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BENJAMIN, Aline et al. Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units. Plos One, p. 1-10, Sept. 2019. |
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https://www.arca.fiocruz.br/handle/icict/36938 |
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1932-6203 |
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10.1371/journal.pone.0221038 |
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1932-6203 |
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BENJAMIN, Aline et al. Accuracy of determine TB-LAM Ag to detect TB in HIV infected patients associated with diagnostic methods used in Brazilian public health units. Plos One, p. 1-10, Sept. 2019. 1932-6203 10.1371/journal.pone.0221038 |
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