Prevalence of Multidrug-Resistant Mycobacterium tuberculosis in the Lambayeque Region, Peru. 2019-2020

Authors

Keywords:

Mycobacterium tuberculosis, multidrug-resistant tuberculosis, Rifampin, Isoniazid, Prevalence, Peru

Abstract

Introduction: Tuberculosis remains a public health problem, with its control compromised by the growing resistance to anti-tuberculosis drugs at both global and national levels.

Objective: To determine the prevalence of multidrug-resistant tuberculosis among the cases reported in Lambayeque, Peru, during the years 2019 and 2020.

Material and Methods: A descriptive cross-sectional study was conducted on a population consisting of data from 10 553 cultures of patients suspected of tuberculosis, processed during the years 2019 and 2020. The sample size consisted of 1 210 cultures positive for Mycobacterium tuberculosis, selected through convenience sampling. The variables analyzed included sex, age, place of origin, healthcare subsector, health facility, localization, smear microscopy results, history of treatment, culture results, etiological agent, and resistance profile.

Results: The prevalence of multidrug-resistant Mycobacterium tuberculosis was found to be 2.7%. Prevalence was higher among previously untreated patients compared to those who had been treated before (1.8% vs. 0.9%). Males accounted for 63.6% of multidrug-resistant tuberculosis cases, and 51.5% were between 25 and 44 years old. The province of Chiclayo accounted for 78.8% of these cases, of which 75.7% were diagnosed in the Ministry of Health facilities. A total of 81.8% of cases had an initial positive smear microscopy, and in 100% of cases, the localization was pulmonary.

Conclusions: The results of this study indicated that the presence of multidrug-resistant Mycobacterium tuberculosis was low in the Lambayeque region during the study period.

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Author Biographies

Christian Esteban Quesada Gemin, Universidad Nacional Pedro Ruiz Gallo. Lambayeque.

El autor declara no tener conflicto de intereses.

Julio César Riojas Vallejos, Universidad Nacional Pedro Ruiz Gallo. Lambayeque.

El autor declara no tener conflicto de intereses.

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Published

2025-12-21

How to Cite

1.
Quesada Gemin CE, Fernández Cubas PJ, Zafra Ortiz WE, Riojas Vallejos JC, Juárez Gutiérrez RE, Moreno Mantilla MC. Prevalence of Multidrug-Resistant Mycobacterium tuberculosis in the Lambayeque Region, Peru. 2019-2020. Rev haban cienc méd [Internet]. 2025 Dec. 21 [cited 2026 Jan. 3];24:e6002. Available from: https://revhabanera.sld.cu/index.php/rhab/article/view/6002

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Section

Epidemiological and Salubrity Sciences