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Revista Cubana de Medicina

versión impresa ISSN 0034-7523

Resumen

DIAZ TORRES, Héctor Manuel et al. Resistance Behavior to Antiretroviral Drugs in a Havana Outpatient Consultation in 2012. Rev cubana med [online]. 2014, vol.53, n.4, pp.445-455. ISSN 0034-7523.

Introduction: the emergence of resistant virus antiretroviral human immunodeficiency type 1 (HIV-1) is a major cause of treatment failure. Objective: to analyze the mutations associated with antiretroviral resistance and resistance levels in a group of patients with failure criteria to antiretroviral therapy (HAART). Methods: Plasma samples from 25 individuals with failure criteria to HAART were collected out of 157 HIV-1 positive patients attending the Outpatient Infectious Diseases at Hermanos Ameijeiras Hospital during 2012. The viral subtype and resistance mutations were determined; and the time between the beginning of the last therapy and detection of resistant viruses was estimated time. Results: 52 % of patients had only received HAART regimen. Mutations associated with resistance in 84 % of patients were detected. 64 % had to antiretroviral treatment strategy employed as first high resistance in this country. The average time between the beginning of the last therapy and the detection of resistant viruses was 2.3 years. 16 % of patients had susceptible virus. The probability of non-adherence to HAART could be the cause of therapeutic failure in this group. Conclusions: high levels of resistance to first-line HAART used in Cuba and the emergence of resistant variants after starting treatment were evident. These results emphasize the need for monitoring resistance as part of comprehensive care for people living with HIV / AIDS.

Palabras clave : human immunodeficiency; antiretrovirals; resistance mutations; highly active antiretroviral therapy.

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