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Magnitude of Mycobacterium tuberculosis Infection and Its Resistance to Rifampicin Using Xpert-MTB/RIF Assay Among Presumptive Tuberculosis Patients at Motta General Hospital, Northwest Ethiopia

Authors Demissie TA, Belayneh D

Received 5 January 2021

Accepted for publication 13 March 2021

Published 7 April 2021 Volume 2021:14 Pages 1335—1341


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Suresh Antony

Tesfaye Andualem Demissie,1 Dereje Belayneh2

1Department of Medical Laboratory Science, College of Health Science, Debre Tabor University, Debre Tabor, Ethiopia; 2Shegaw Motta General Hospital, Amhara, Ethiopia

Correspondence: Tesfaye Andualem Demissie
Department of Medical Laboratory Science, College of Health Science, Debre Tabor University, P.O. Box 272, Ethiopia
Email [email protected]

Background: Mycobacterium Tuberculosis (MTB) and its drug resistance form are the devastating infectious diseases in the world. It is the major cause of morbidity and mortality in low-income countries with Ethiopia carrying a heavy burden. Data on the magnitude of MTB and rifampicin resistance using Xpert- MTB/RIF assay is limited in the study area. Therefore, this study aimed to assess the prevalence of Mycobacterium tuberculosis and rifampicin resistance among presumptive TB patients using GeneXpert at Motta General Hospital, North West Ethiopia.
Methods: A retrospective cross-sectional study was conducted from 1st October to 30 November 2020 among patients tested for GeneXpert at Motta General Hospital, Northwest Ethiopia. Data recorded on GeneXpert test results were collected on laboratory registration book in Microbiology laboratory. Data were analyzed by using the Statistical Package for Social Sciences (SPSS) version 20.
Results: A total of 4109 specimens were tested using the GeneXpert automated system. Of these, the majority 2148 (52.3%) of participants were males and 1961 (47.7%) were females. Similarly, about 1553 (37.8%) were in the age range of 25– 44 years followed by 1347 (32.8%) in 45– 64 years. Moreover, about 2486 (60.5%) participants were from rural. The overall prevalence of M. tuberculosis was 346 (8.4%) among these, the majority 222 (5.4%) had unknown HIV status, 48 (1.2%) were HIV positive, and 314 (7.6%) was new MTB cases. The overall prevalence of rifampicin resistance was 15 (4.3%) and 8(1.7%) were intermediate. Among rifampicin resistance, 10 (2.9%) were males, 8(2.3%) lived in rural, 9 (2.6%) had unknown HIV status, 13 (3.8%) were new TB patients, and 13 (3.8%) had pulmonary tuberculosis.
Conclusion: The prevalence of M. tuberculosis was 8.4% and relatively higher rate of rifampicin-resistant M. tuberculosis was found.

Keywords: drug resistance, GeneXpert, Mycobacterium tuberculosis, prevalence, rifampicin

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