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Rev. argent. microbiol ; 50(4): 351-358, Dec. 2018. tab
Article in English | LILACS | ID: biblio-977256

ABSTRACT

Female sex workers (FSWs) have been considered a key population for sexually transTrichomonas mitted infections (STIs); therefore, they are periodically screened as a requirement to obtain a work card. However, there is insufficient epidemiological data on STIs among FSWs in Mexico. The detection of Trichomonas vaginalis is limited to microscopic studies and the molecular screening of Human papillomavirus (HPV) is only done to women 35 years of age and older. The objective of this study was to determine the prevalence of T. vaginalis and HPV infections in FSWs in the city of Orizaba, Veracruz, Mexico. Samples from 105 FSWs were obtained by cervical swab and analyzed. The identification of T. vaginalis and HPV was performed by molecular methods. HPV DNA was identified in 5.71% of the samples with the presence of HPV16, HPV18, and HPV58. A percentage of 25.7% samples were positive for T. vaginalis for optical microscopy and 23.8% for PCR. The results of the study indicate the need to incorporate more sensitive methods for the timely diagnosis of STIs as well as comprehensive health promotion programs directed to the most vulnerable groups among FSWs.


Las mujeres trabajadoras sexuales (MTS) han sido consideradas una población clave para las infecciones de transmisión sexual (ITS), por ello son examinadas periódicamente como requisito para obtener una tarjeta de trabajo. Sin embargo, no existen datos epidemiológicos suficientes sobre las ITS en las MTS en México. La detección de Trichomonas vaginalis se limita a los estudios microscópicos, y el cribado molecular del virus del papiloma humano (Human papillomavirus: HPV) solo se realiza en las mujeres de 35 años o mayores. El objetivo de este estudio fue determinar la prevalencia de T. vaginalis e infecciones por HPV en las MTS de la ciudad de Orizaba, Veracruz, México. Se analizaron 105 muestras de las MTS, obtenidas mediante frotis cervical. La identificación de T. vaginalis y HPV se realizó por métodos moleculares. El ADN del HPV se identificó en el 5,71% de las muestras, con la presencia de HPV16, HPV18 y HPV58. El 25,7% de las MTS fueron positivas para T. vaginalis por microscopia óptica el 23,8% por PCR. Los resultados del estudio indican la necesidad de incorporar métodos más sensibles para el diagnóstico oportuno de ITS y programas integrales de promoción de la salud en los grupos más vulnerables, entre las MTS.


Subject(s)
Adolescent , Adult , Female , Humans , Middle Aged , Young Adult , Trichomonas Vaginitis/epidemiology , Sexually Transmitted Diseases/epidemiology , Papillomavirus Infections/epidemiology , Sex Workers , Papillomaviridae/isolation & purification , Trichomonas vaginalis/isolation & purification , Trichomonas Vaginitis/diagnosis , Trichomonas Vaginitis/microbiology , Sexually Transmitted Diseases/diagnosis , Sexually Transmitted Diseases/microbiology , Urban Health , Prevalence , Cross-Sectional Studies , Papillomavirus Infections/diagnosis , Papillomavirus Infections/microbiology , Molecular Diagnostic Techniques , Mexico/epidemiology
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