Listar por autor "Datta, Sumona"

Ordenar por:Orden:Resultados:

  • Addressing social determinants to end Tuberculosis 
    Wingfield, Tom; Tovar, Marco A.; Datta, Sumona; Saunders, Matthew J.; Evans, Carlton Anthony William (Elsevier, 2018)
    Leave no one behind. This is the overarching pledge of the Sustainable Development Goals; a pledge that is far from being realised. In 2016, more than 4 million people with tuberculosis were estimated to be undiagnosed or ...
  • Clinical evaluation of tuberculosis viability microscopy for assessing treatment response 
    Datta, Sumona; Sherman, Jonathan M.; Bravard, Marjory A.; Valencia, Teresa; Gilman, Robert Hugh; Evans, Carlton Anthony William (Oxford University Press, 2015)
    BACKGROUND: 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 ...
  • Comparison of sputum collection methods for tuberculosis diagnosis: a systematic review and pairwise and network meta-analysis 
    Datta, Sumona; Shah, Lena; Gilman, Robert Hugh; Evans, Carlton Anthony William (Elsevier, 2017)
    BACKGROUND: 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 ...
  • A controlled evaluation of filter paper use during staining of sputum smears for tuberculosis microscopy. 
    Bailon Gonzales, Nataly Aracely; Ramos Maguiña, Eric Sreve; Alvarado Torres, Keren Soledad; Bernaola Silva, Lenin Ceferino; Wilson, James; Montoya, Rosario; Valencia, Teresa; Evans, Carlton Anthony William; Datta, Sumona (F1000 Research, 2023)
    Background: Some sputum smear microscopy protocols recommend placing filter paper over sputum smears during staining for Mycobacterium tuberculosis (TB) . We found no published evidence assessing whether this is beneficial. ...
  • A Controlled Study of Tuberculosis Diagnosis in HIV-Infected and Uninfected Children in Peru 
    Oberhelman, Richard A.; Soto-Castellares, Giselle; Gilman, Robert Hugh; 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 Anthony William (Public Library of Science, 2015)
    BACKGROUND: 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 ...
  • Dynamics of Cough Frequency in Adults Undergoing Treatment for Pulmonary Tuberculosis 
    Proano, Alvaro; Bravard, Marjory A.; Lopez, Jose W.; Lee, Gwenyth O.; Bui, David; Datta, Sumona; Comina, German; Zimic-Peralta, Mirko Juan; 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 Alexander James; Evans, Carlton Anthony William; Tracey, Brian H.; Gilman, Robert Hugh (Oxford University Press, 2017)
    Background: 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 ...
  • Healthy survival after tuberculosis. 
    Datta, Sumona; Evans, Carlton Anthony William (Elsevier, 2019)
    WHO estimates that 1·6 million people die each year before or during tuberculosis treatment. In The Lancet Infectious Diseases, Kamila Romanowski and colleagues' meta-analysis showed that tuberculosis survivors have ...
  • Improving tuberculosis diagnosis: Better tests or better healthcare? 
    Datta, Sumona; Saunders, Matthew J.; Tovar, Marco A.; Evans, Carlton Anthony William (Public Library of Science, 2017)
    In 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 ...
  • Mobile phone interventions for tuberculosis should ensure access to mobile phones to enhance equity - a prospective, observational cohort study in Peruvian shantytowns 
    Saunders, Matthew J.; Wingfield, Tom; Tovar, Marco A.; Herlihy, Niamh; Rocha, Claudio; Zevallos, Karine; Montoya, Rosario; Ramos, Eric; Datta, Sumona; Evans, Carlton Anthony William (Wiley, 2018)
    OBJECTIVES: 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, ...
  • The Potential for Testing Stool to Reduce Tuberculosis Missed Diagnoses and Misdiagnoses 
    Datta, Sumona; Gonzales-Huerta, Luis E.; Evans, Carlton Anthony William (American Society of Tropical Medicine and Hygiene, 2018)
    Tuberculosis kills more people than any other infection, mainly in resource-constrained settings where diagnosing tuberculosis and detecting drug resistance are particularly challenging. All tuberculosis tests frequently ...
  • Pragmatic tuberculosis prevention policies for primary care in low- and middle-income countries 
    Saunders, Matthew J.; Tovar, Marco A.; Datta, Sumona; Evans, Benjamin E. W.; Wingfield, Tom; Evans, Carlton Anthony William (European Respiratory Society, 2018)
    Despite being a curable and preventable disease, tuberculosis is the leading cause of death from infection worldwide and is one of the top 10 causes of death from any cause, including in children. Incidence is at best ...
  • Prediction and prevention of tuberculosis in contacts - Authors' reply 
    Saunders, Matthew J.; Wingfield, Tom; Tovar, Marco A.; Baldwin, Matthew R.; Datta, Sumona; Evans, Carlton A. (Elsevier, 2017)
    We thank Sandra Arend and Jonathan Uzorka for their interest in our study. They argue that because our risk score predicts tuberculosis independently of the contact tuberculin skin test (TST) results and index case smear ...
  • Quality of life, tuberculosis and treatment outcome; a case-control and nested cohort study 
    Datta, Sumona; Gilman, Robert Hugh; Montoya, Rosario; Quevedo Cruz, Luz; Valencia, Teresa; Huff, Doug; Saunders, Matthew J.; Evans, Carlton Anthony William (European Respiratory Society, 2020)
    BACKGROUND: 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 ...
  • A randomized controlled study of socioeconomic support to enhance tuberculosis prevention and treatment, Peru 
    Wingfield, Tom; Tovar, Marco A.; Huff, Doug; Boccia, Delia; Montoya, Rosario; Ramos, Eric; Datta, Sumona; Saunders, Matthew J.; Lewis, James J.; Gilman, Robert Hugh; Evans, Carlton Anthony William (World Health Organization, 2017)
    OBJECTIVE: 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, ...
  • A score to predict and stratify risk of tuberculosis in adult contacts of tuberculosis index cases: a prospective derivation and external validation cohort study 
    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 Hugh; Evans, Carlton Anthony William (Elsevier, 2017)
    BACKGROUND: 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 ...
  • Sputum Microscopy With Fluorescein Diacetate Predicts Tuberculosis Infectiousness 
    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 Hugh; Evans, Carlton Anthony William (Oxford University Press, 2017)
    Background: Sputum from patients with tuberculosis contains subpopulations of metabolically active and inactive Mycobacterium tuberculosis with unknown implications for infectiousness. Methods: We assessed sputum microscopy ...

Buscar en el Repositorio

Listar

Panel de Control