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Year : 2019  |  Volume : 8  |  Issue : 4  |  Page : 351-358

GeneXpert Mycobacterium tuberculosis/rifampicin assay for molecular epidemiology of rifampicin-Resistant Mycobacterium tuberculosis in an Urban Setting of Banten province, Indonesia

1 Department of Microbiology, Faculty of Medicine, Pelita Harapan University, Tangerang, Banten, Indonesia
2 Department of Respirology, Faculty of Medicine, Pelita Harapan University, Tangerang, Banten, Indonesia

Correspondence Address:
Paulus Mario Christopher
Jenderal Sudirman Lippo Karawaci Boulevard Road, Tangerang, Banten
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijmy.ijmy_138_19

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Background: Tuberculosis (TB) is the fourth leading cause of death in Indonesia. In 2017, the World Health Organization (WHO) estimated that only 2% of the TB patients in Indonesia had only been tested with rapid diagnostics at the time of diagnosis, resulting in largely underdetected rifampicin-resistant TB (RR-TB). Utilization of GeneXpert Mycobacterium tuberculosis/rifampicin (MTB/RIF) assay as a point-of-care molecular assay to detect TB and RR-TB and serving its purpose in accordance with the first pillar of the WHO End-TB Strategy. Objective: This study investigated the use of GeneXpert MTB/RIF assay to determine the molecular epidemiology of RR-TB in an urban setting of Indonesia. Methods: All molecular epidemiological and microbiological databases were retrospectively examined from GeneXpert MTB/RIF assay results in Siloam Hospital Lippo Village. The sociodemographic characteristics and results of microbiological examinations consisting of Ziehl–Neelsen staining and GeneXpert MTB/RIF assay were analyzed. Results: During the study period, 600 cases were registered, and GeneXpert MTB/RIF tests were done in which the tests yielded 597 (99.5%) valid results; 62.0% were male and adult of age category; of whom 29 samples (4.9%) were found to be RR-TB, 186 samples (31.2%) were RIF sensitive, and remainders were negative. Conclusions: The results of GeneXpert MTB/RIF to be a fundamental diagnosis of RR-TB and subsequently to notify MDR-TB were satisfying and valuable in this study. This further increased and reinforced TB surveillance and national TB program to finally bring about WHO end-TB strategy one step closer in Indonesia.

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