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KMID : 1100820160060020079
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Laboratory Medicine Online
2016 Volume.6 No. 2 p.79 ~ p.87
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Prevalence and Antimicrobial Susceptibility of Mycoplasma hominis, Ureaplasma urealyticum and Ureaplasma parvum in Individuals With or Without Symptoms of Genitourinary Infections
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Kwon Oh-Joo
Lim Yong-Kwan
Oh Se-Min
Kim Tae-Hyoung
Choe Hyun-Sop
Lee Seung-Ju
Cho Yong-Hyun
Lee Mi-Kyung
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Abstract
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Background: The aim of this study was to determine the prevalence and antimicrobial susceptibility of Mycoplasma hominis, Ureaplasma urealyticum, and Ureaplasma parvum among patients displaying symptoms of genitourinary infections and asymptomatic volunteers.
Methods: Genitourinary samples were collected from 897 participants (365 symptomatic patients and 532 asymptomatic volunteers). The samples were analyzed using multiplex real-time PCR (Anyplex™ II, Seegene, Korea), multiplex PCR (Seeplex®, Seegene), and Mycoplasma IST 2 Kit (bioMerieux, France).
Results: The prevalence of M. hominis, U. urealyticum, and U. parvum in the genitourinary samples of symptomatic patients compared with asymptomatic volunteers was 9.9% vs. 5.5%, 12.3% vs. 9.0%, and 36.4% vs. 30.8%, respectively. After eliminating cases of co-infections with other pathogens, there was a significant difference in the prevalence of M. hominis between symptomatic patients and asymptomatic volunteers (9.1% vs. 5.2%, P<0.05), but not in the prevalence of U. urealyticum and U. parvum organisms. When tested for antimicrobial susceptibility, more than 95.5% of each species were susceptible to tetracycline, doxycycline, josamycin, and pristamycin. More than 78.9% of Ureaplasma spp. were susceptible to azithromycin, erythromycin, and clarithromycin; however less than 4.2% of M. hominis were susceptible to these antibiotics. When tested with ofloxacin and ciprofloxacin, 40.9-58.9% and 9.1-25.0% of the three species were susceptible to these drugs, respectively.
Conclusions: M. hominis is the leading causative pathogen for genitourinary infection; however the involvement of Ureaplasma spp. is debatable. For optimal antimicrobial therapy, the accurate detection of these organisms and determination of antimicrobial susceptibility is crucial considering their diverse antimicrobial susceptibility patterns.
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KEYWORD
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Mycoplasma hominis, Ureaplasma urealyticum, Ureaplasma parvum, Genitourinary, Prevalence, Antimicrobial susceptibility
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