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Wingfield, Tom ; Tovar, Marco A. ; Datta, Sumona ; Saunders, Matthew J. ; Evans, Carlton A. | Elsevier | 2018-12-03T17:04:42Ztexto impreso
Datta, Sumona ; Sherman, Jonathan M. ; Bravard, Marjory A. ; Valencia, Teresa ; Gilman, Robert H. ; Evans, Carlton A. | Oxford University Press | 2019-02-06T14:52:17ZBACKGROUND: It is difficult to determine whether early tuberculosis treatment is effective in reducing the infectiousness of patients' sputum, because culture takes weeks and conventional acid-fast sputum microscopy and molecular tests cannot d[...]texto impreso
Datta, Sumona ; Shah, Lena ; Gilman, Robert H. ; Evans, Carlton A. | Elsevier | 2019-01-25T15:02:20ZBACKGROUND: The performance of laboratory tests to diagnose pulmonary tuberculosis is dependent on the quality of the sputum sample tested. The relative merits of sputum collection methods to improve tuberculosis diagnosis are poorly characteris[...]texto impreso
Oberhelman, Richard A. ; Soto-Castellares, Giselle ; Gilman, Robert H. ; Castillo, Maria E. ; Kolevic, Lenka ; Delpino, Trinidad ; Saito, Mayuko ; Salazar-Lindo, Eduardo ; Negron, Eduardo ; Montenegro, Sonia ; Laguna-Torres, V. Alberto ; Maurtua-Neumann, Paola ; Datta, Sumona ; Evans, Carlton A. | Public Library of Science | 2019-02-06T14:53:11ZBACKGROUND: Diagnosing tuberculosis in children is challenging because specimens are difficult to obtain and contain low tuberculosis concentrations, especially with HIV-coinfection. Few studies included well-controls so test specificities are [...]texto impreso
Proaño, Alvaro ; Bravard, Marjory A. ; López, José W. ; Lee, Gwenyth O. ; Bui, David ; Datta, Sumona ; Comina, Germán ; Zimic, Mirko ; Coronel, Jorge ; Caviedes, Luz ; Cabrera, Jose L. ; Salas, Antonio ; Ticona, Eduardo ; Vu, Nancy M. ; Kirwan, Daniela E. ; Loader, Maria-Cristina I. ; Friedland, Jon S. ; Moore, David A. J. ; Evans, Carlton A. ; Tracey, Brian H. ; Gilman, Robert H. | Oxford University Press | 2019-01-25T16:59:37ZBackground: Cough is the major determinant of tuberculosis transmission. Despite this, there is a paucity of information regarding characteristics of cough frequency throughout the day and in response to tuberculosis therapy. Here we evaluate th[...]texto impreso
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WHO estimates that 1·6 million people die each year before or during tuberculosis treatment. In The Lancet Infectious Diseases , Kamila Romanowski and colleagues' 1 meta-analysis showed that tuberculosis survivors have approximately three-times[...]texto impreso
Datta, Sumona ; Saunders, Matthew J. ; Tovar, Marco A. ; Evans, Carlton A. | Public Library of Science | 2019-01-25T16:59:39ZIn a Perspective accompanying Sylvia and colleagues, Carlton Evans and colleagues discuss the challenge of squaring policies around tuberculosis diagnosis with the realities of clinical practice in small villages and low-resource settings.texto impreso
Saunders, Matthew J. ; Wingfield, Tom ; Tovar, Marco A. ; Herlihy, Niamh ; Rocha, Claudio ; Zevallos, Karine ; Montoya, Rosario ; Ramos, Eric ; Datta, Sumona ; Evans, Carlton A. | Wiley | 2018-11-30T17:17:15ZOBJECTIVES: Mobile phone interventions have been advocated for tuberculosis care, but little is known about access of target populations to mobile phones. We studied mobile phone access among patients with tuberculosis, focusing on vulnerable pa[...]texto impreso
Datta, Sumona ; Alvarado, Keren ; Gilman, Robert H. ; Valencia, Teresa ; Aparicio, Christian ; Ramos, Eric S. ; Montoya, Rosario ; Evans, Carlton A. | Public Library of Science | 2019-07-04T17:00:20ZBACKGROUND: Assessing Mycobacterium tuberculosis (TB) viability by fluorescein diacetate (FDA) microscopy can predict TB culture results, treatment response and infectiousness. However, diverse methods have been published. We aimed to optimise F[...]texto impreso
Saunders, Matthew J. ; Tovar, Marco A. ; Datta, Sumona ; Evans, Benjamin E. W. ; Wingfield, Tom ; Evans, Carlton A. | European Respiratory Society | 2018-12-03T17:04:41Ztexto impreso
Saunders, Matthew J. ; Wingfield, Tom ; Tovar, Marco A. ; Baldwin, Matthew R. ; Datta, Sumona ; Evans, Carlton A. | Elsevier | 2019-01-25T17:00:27Ztexto impreso
Datta, Sumona ; Gilman, Robert H. ; Montoya, Rosario ; Quevedo Cruz, Luz ; Valencia, Teresa ; Huff, Doug ; Saunders, Matthew J. ; Evans, Carlton A. | European Respiratory Society | 2020-07-14T00:01:06ZBACKGROUND: Global tuberculosis policy increasingly emphasises broad tuberculosis impacts and highlights the lack of evidence concerning tuberculosis-related quality of life (QOL). METHODS: Participants were recruited in 32 Peruvian communities [...]texto impreso
Wingfield, Tom ; Tovar, Marco A. ; Huff, Doug ; Boccia, Delia ; Montoya, Rosario ; Ramos, Eric ; Datta, Sumona ; Saunders, Matthew J. ; Lewis, James J. ; Gilman, Robert H. ; Evans, Carlton A. | World Health Organization | 2019-01-25T15:02:14ZOBJECTIVE: To evaluate the impact of socioeconomic support on tuberculosis preventive therapy initiation in household contacts of tuberculosis patients and on treatment success in patients. METHODS: A non-blinded, household-randomized, controlle[...]texto impreso
Saunders, Matthew J. ; Wingfield, Tom ; Tovar, Marco A. ; Baldwin, Matthew R. ; Datta, Sumona ; Zevallos, Karine ; Montoya, Rosario ; Valencia, Teresa R. ; Friedland, Jon S. ; Moulton, Larry H. ; Gilman, Robert H. ; Evans, Carlton A. | Elsevier | 2019-01-25T15:02:14ZBACKGROUND: Contacts of tuberculosis index cases are at increased risk of developing tuberculosis. Screening, preventive therapy, and surveillance for tuberculosis are underused interventions in contacts, particularly adults. We developed a scor[...]
