Periodicidad semestral: flujo continuo.
ISSN - Electrónico: 2661-6947 / DOI: 10.36015 • LILACS BIREME (19784); LATINDEX (20666)
Introduction. Resistance to antiviral drugs is a major problem worldwide. Antiretroviral therapy seeks to reduce viral load and allows for immune reconstitution, achieving viral suppression for as long as possible, with minimum impact on patient activities. Objective. To evaluate the prevalence of antiviral resistance in patients subjected to viral resistance test. Resistance to antiretrovirals has clinical, virological and immunological implications, so monitoring resistance in case of virological failure optimizes therapeutic scheme selection, to minimize costs and obtain greater treatment success. Materials and methods. Plasma samples with clinical suspicion of antiretroviral resistance and virological failure were collected from 41 patients at the HIV Clinic, Carlos Andrade Marín Specialties Hospital. All samples were stored at -80°C until processed, following Manufacturer conditions for RNA extraction and sequencing. Results were analyzed using DeepChek® for the detection of HIV antiretroviral resistance. Results. Over 85% of patients studied had resistance to a antiretroviral drug. Most patients (71%) were found to have some type of combined resistance to NRTI and NNRTI. Conclusions. The problem of viral resistance is evident in patients infected with HIV. We observed high resistance to NRTI and NNRTI. Patients with primary and secondary resistance were identified, raising concerns about the importance of patient adherence to treatment, to achieve effective antiviral suppression.
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