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Autor Evans, Carlton A. |
Documentos disponibles escritos por este autor (36)
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Proaño, Alvaro ; Bravard, Marjory A. ; Tracey, Brian H. ; López, José W. ; Comina, Germán ; Zimic, Mirko ; Coronel, Jorge ; Lee, Gwenyth O'Neil ; Caviedes, Luz ; Cabrera, Jose Luis ; Salas, Antonio ; Ticona, Eduardo ; Kirwan, Daniela E. ; Friedland, Jon S. ; Evans, Carlton A. ; Moore, David A. ; Gilman, Robert H. | BMJ Publishing Group | 2019-02-06T14:51:43ZINTRODUCTION: Cough is a key symptom of tuberculosis (TB) as well as the main cause of transmission. However, a recent literature review found that cough frequency (number of coughs per hour) in patients with TB has only been studied once, in 19[...]![]()
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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 [...]![]()
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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[...]![]()
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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[...]![]()
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Bonadonna, Lily V. ; Saunders, Matthew J. ; Guio, Heinner ; Zegarra, Roberto ; Evans, Carlton A. | American Society of Tropical Medicine and Hygiene | 2018-11-30T22:50:37ZEarly detection and diagnosis of tuberculosis (TB) is a global priority. Prolonged symptom duration before TB diagnosis is associated with increased morbidity, mortality, and risk of transmission. We aimed to determine socioeconomic and behavior[...]![]()
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Datta, Sumona ; Sherman, Jonathan M. ; Tovar, Marco A. ; Bravard, Marjory A. ; Valencia, Teresa ; Montoya, Rosario ; Quino, Willi ; D'Arcy, Nikki ; Ramos, Eric S. ; Gilman, Robert H. ; Evans, Carlton A. | Oxford University Press | 2019-01-25T16:03:21ZBackground: Sputum from patients with tuberculosis contains subpopulations of metabolically active and inactive Mycobacterium tuberculosis with unknown implications for infectiousness. Methods: We assessed sputum microscopy with fluorescein diac[...]![]()
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Barletta, Francesca ; Vandelannoote, Koen ; Collantes, Jimena ; Evans, Carlton A. ; Arevalo, Jorge ; Rigouts, Leen | American Society of Tropical Medicine and Hygiene | 2020-06-10T18:11:35ZReal-time polymerase chain reaction (qPCR) was optimized for detecting Mycobacterium tuberculosis in sputum. Sputum was collected from patients (N = 112) with suspected pulmonary tuberculosis, tested by smear microscopy, decontaminated, and spli[...]![]()
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Wingfield, Tom ; Tovar, Marco A. ; Huff, Doug ; Boccia, Delia ; Montoya, Rosario ; Ramos, Eric ; Lewis, James J. ; Gilman, Robert H. ; Evans, Carlton A. | European Respiratory Society | 2019-02-06T14:48:08ZThe End TB Strategy mandates that no tuberculosis (TB)-affected households face catastrophic costs due to TB. However, evidence is limited to evaluate socioeconomic support to achieve this change in policy and practice. The objective of the pres[...]![]()
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Datta, Sumona ; Gonzales-Huerta, Luis E. ; Evans, Carlton A. | American Society of Tropical Medicine and Hygiene | 2018-12-03T17:02:45Z![]()
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Wingfield, Tom ; Schumacher, Samuel G. ; Sandhu, Gurjinder ; Tovar, Marco A. ; Zevallos, Karine ; Baldwin, Matthew R. ; Montoya, Rosario ; Ramos, Eric S. ; Jongkaewwattana, Chulanee ; Lewis, James J. ; Gilman, Robert H. ; Friedland, Jon S. ; Evans, Carlton A. | Oxford University Press | 2020-06-10T18:12:15ZBACKGROUND: Unlike other respiratory infections, tuberculosis diagnoses increase in summer. We performed an ecological analysis of this paradoxical seasonality in a Peruvian shantytown over 4 years. METHODS: Tuberculosis symptom-onset and diagn[...]![]()
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Westerlund, Emma E. ; Tovar, Marco A. ; Lonnermark, Elisabet ; Montoya, Rosario ; Evans, Carlton A. | Elsevier | 2019-02-06T14:57:40ZOBJECTIVES: Tuberculosis is frequent among poor and marginalized people whose limited tuberculosis-related knowledge may impair healthcare access. We characterised tuberculosis-related knowledge and associations with delayed treatment and treatm[...]