Resumo

ZOTTA, Claudio Marcelo et al. Neisseria gonorrhoeae infection and phenotypes of antimicrobial resistance, Mar del Plata, 2005-2010. Acta bioquím. clín. latinoam. [online]. 2014, vol.48, n.4, pp.475-483. ISSN 0325-2957.

An epidemiological retrospective descriptive study was conducted in order to determine the rate of Neisseria gonorrhoeae infection and the antimicrobial resistance phenotypes in 666 adult patients of both sexes who attended the Sexually Transmitted Disease Service, at the National Institute of Epidemiology "Dr. Juan H. Jara"- ANLIS city of Mar del Plata, between the years 2005- 2010. For the diagnosis of N. gonorrhoeae infection, samples were obtained by endocervical swabs and urethral swabs in men. Microbiological growth on selective culture medium was identified using carbohydrate utilization. N. gonorrhoeae isolates were subsequently submitted to the National Reference Laboratory in STI for the study of antimicrobial susceptibility by determining the minimum inhibitory concentration. The N. gonorrhoeae infection rate was 12.2% [CI 95%: 9.83-14.95]. The most prevalent resistance phenotypes were QRNG/CMRNG (quinolone resistance in addition to chromosomal resistance to penicillin and tetracycline), QRNG (resistance to quinolone), PPNG (penicillinase producing strain) and CMTR (chromosomal resistance to tetracycline). As part of the epidemiological surveillance of infections by N. gonorrhoeae, the role of the laboratory is not only to monitor the incidence of cases in the population but also the antibiotic resistance profile for therapeutic use, in order to control the disease.

Palavras-chave : Neisseria gonorrhoeae; Sexually transmitted infection; Infection rate; Resistance phenotypes; Resistance plasmids.

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