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Infectio

versão impressa ISSN 0123-9392

Resumo

GARCIA, José et al. An appraisal of the isoniazid resistant tuberculosis in Colombia: a underestimated problem in Colombia?. Infect. [online]. 2020, vol.24, n.3, pp.173-181. ISSN 0123-9392.  https://doi.org/10.22354/in.v24i3.863.

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.

Palavras-chave : Mycobacterium tuberculosis; tuberculosis; isoniazid; microbial drug resistance.

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