Microscopic Observation Drug Susceptibility Assay for Rapid Diagnosis of Lymph Node Tuberculosis and Detection of Drug Resistance

Author:

Kirwan Daniela E.12,Ugarte-Gil Cesar23,Gilman Robert H.45,Caviedes Luz5,Rizvi Hasan6,Ticona Eduardo789,Chavez Gonzalo7,Cabrera José Luis10,Matos Eduardo D.811,Evans Carlton A.1213,Moore David A. J.514,Friedland Jon S.2

Affiliation:

1. Department of Medical Microbiology, St. George's Hospital, London, United Kingdom

2. Infectious Diseases and Immunity, Imperial College London, London, United Kingdom

3. Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru

4. Department of International Health, Johns Hopkins University, Baltimore, Maryland, USA

5. Laboratorio de Investigación en Enfermedades Infecciosas, Universidad Peruana Cayetano Heredia, Lima, Peru

6. Department of Cellular Pathology, Barts Health NHS Trust, London, United Kingdom

7. Infectious Diseases and Tropical Medicine Unit, Hospital Nacional Dos de Mayo, Lima, Peru

8. Universidad Nacional Mayor de San Marcos, Lima, Peru

9. Universidad de San Martin de Porres, Lima, Peru

10. Department of Pulmonology, Hospital Daniel Alcides Carrión, Callao, Peru

11. Infectious Diseases Unit, Hospital Nacional Arzobispo Loayza, Lima, Peru

12. Infectious Diseases and Immunity, and Wellcome Trust Centre for Global Health Research, Imperial College London, London, United Kingdom

13. IFHAD: Innovation for Health and Development, Universidad Peruana Cayetano Heredia, Lima, Peru

14. TB Centre, London School of Hygiene & Tropical Medicine, London, United Kingdom

Abstract

ABSTRACT In this study, 132 patients with lymphadenopathy were investigated. Fifty-two (39.4%) were diagnosed with tuberculosis (TB). The microscopic observation drug susceptibility (MODS) assay provided rapid (13 days), accurate diagnosis (sensitivity, 65.4%) and reliable drug susceptibility testing (DST). Despite its lower sensitivity than that of other methods, its faster results and simultaneous DST are advantageous in resource-poor settings, supporting the incorporation of MODS into diagnostic algorithms for extrapulmonary TB.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference27 articles.

1. WHO. 2014. Global tuberculosis report 2014. World Health Organization Geneva Switzerland. http://apps.who.int/iris/bitstream/10665/137094/1/9789241564809_eng.pdf.

2. Pedrazzoli D Fulton N Anderson L Lalor M Abubakar I Zenner D. 2012. Tuberculosis in the UK: 2012 report. Health Protection Agency London United Kingdom. https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/332560/TB_Annual_Report_2012.pdf.

3. Rapid Molecular Detection of Extrapulmonary Tuberculosis by the Automated GeneXpert MTB/RIF System

4. Novel Multipurpose Methodology for Detection of Mycobacteria in Pulmonary and Extrapulmonary Specimens by Smear Microscopy, Culture, and PCR

5. Use of the BACTEC Mycobacteria Growth Indicator Tube 960 Automated System for Recovery of Mycobacteria from 9,558 Extrapulmonary Specimens, Including Urine Samples

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