Detection of T. vaginalis,M. hominis,M. genitalium, C. trachomatis, N. gonorrhoeae and U. urealyticum using Multiplex PCR

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Tamara Brunelli *
Roberto Degl’Innocenti
Patrizia Miglietta
Loredana Ortega De Luna
Elisa Rovinati
Stefania Apolito
Antonella Conti
Patrizia Casprini
(*) Corresponding Author:
Tamara Brunelli | tbrunelli@usl4.toscana.it

Abstract

Intoduction. The sexually transmitted diseases include a large group of infections affecting both the sexes. In this study we evaluated the prevalence of Trichomonas vaginalis, Mycoplasma hominis, Mycoplasma genitalium, Chlamydia trachomatis, Neisseria gonorrhoeae and Ureaplasma urealyticum in the Prato area during the period September 2010 – July 2011. Methods.We analysed different kind of samples (urine, endocervical swabs, urethral swabs, seminal fluids) from hospitalized patients or referred to the Prato clinic subjects.The DNA was obtained using EZ1-DNA extraction kit and EZ1 instrument.The DNA was then amplified using the Seeplex STD6 kit (Seegene, Korea), identifying multiple pathogens simultaneously (T. vaginalis, M. hominis, M. genitalium, C. trachomatis, N. gonorrhoeae e U. urealyticum). The revelation was performed by electrophoresis on microchip (instrument Multina, Shimadzu, Japan). Results. 1136 samples from Italian and foreign patients were examined: 876 were endocervical swabs (77%), 103 urethral swabs (9%), 103 seminal fluids (9%), and 54 urines (5%). The number of females was higher than males [894 (78.7%) vs 242 (21.3%)]; the mean age of females was 37.0±11.6 years, whereas that of males was 41.5 ±12.63 years.The prevalence of urogenital pathogens was: 15 positive samples for T. vaginalis (1.3%), 56 for M. hominis (4.9%), 13 for M. genitalium (1.1%), 28 for C. trachomatis (2.5%), 8 for N. gonorrhoeae (0.7%) and 87 for U. urealyticum (7.7%).Among all positive, 25 subjects were positive for more than one pathogen and in particular: one was positive for the presence of 4 pathogens, five presented 3 pathogens simultaneously and the remaining nineteen for 2 pathogens. Conclusions. This study provides data on the prevalence of sexually transmitted diseases in the hospital of Prato.

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