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Infectio ; 24(3): 173-181, jul.-set. 2020. tab, graf
Article in Spanish | LILACS, COLNAL | ID: biblio-1114862

ABSTRACT

Objetivo: Describir las características clínicas y desenlaces al tratamiento de los pacientes con tuberculosis resistente a isoniazida (Hr-TB) en una institución del suroccidente colombiano. Materiales y métodos: Se realizó un estudio observacional retrospectivo. Se incluyeron pacientes con confirmación diagnóstica, aislamiento microbiológico, pruebas de susceptibilidad a fármacos y evidencia de Hr-TB. Resultados: Se incluyeron 32 pacientes con Hr-TB entre 2006-2018 que corresponden al 6% (32/528) de resistencia del total de casos. El 78% (n=25) fueron casos nuevos, resistencia primaria, y el 22% (n=7) previamente tratados, resistencia adquirida. La comorbilidad más frecuente fue infección por VIH (n=9). El patrón de Hr-TB mostró en 23 (72%) casos con alto nivel, 4 (12%) de bajo nivel y 5 (16%) con bajo y alto nivel. El análisis de resultados al tratamiento se realizó a 22 pacientes, presentando el 50% cura, el 41% tratamiento completo y 9% muerte relacionada con la tuberculosis. Conclusiones: La Hr-TB predomina en los casos nuevos, lo que supone un obstáculo al tratamiento donde no se realizan las pruebas de susceptibilidad de forma rutinaria.


Objective: To describe the clinical characteristics and outcomes to the treatment of patients with isoniazid-resistant tuberculosis (Hr-TB) in an institution in southwest Colombia. Materials and methods: A retrospective observational study was conducted. Patients with diagnostic confirmation, microbiological isolation, drug susceptibility tests, and evidence of Hr-TB were included. Results: Thirty-two patients with Hr-TB were included between 2006-2018, corresponding to 6% (32/528) of resistance in total cases. 78% were new cases, primary resistance, and 22% previously treated, acquired resistance. The most frequent comorbidity was HIV infection (n = 9). The pattern of Hr-TB showed in 23 (72%) cases with high level, 4 (12%) of low level and 5 (16%) with low and high level. The analysis of treatment results was performed on 22 patients, presenting 50% cure, 41% completed treatment, and 9% death related to tuberculosis. Conclusions: Hr-TB predominates in new cases, which is an obstacle to treatment where susceptibility tests are not performed routinely.


Subject(s)
Humans , Male , Adult , Tuberculosis , Isoniazid , Mycobacterium tuberculosis , Therapeutics , Drug Resistance, Microbial , Pharmaceutical Preparations , HIV Infections , Colombia , Infections
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