Trichomonas vaginalis Antimicrobial Drug Resistance in 6 US Cities, STD Surveillance Network, 2009–2010

Kirkcaldy, Robert D.; Augostini, Peter; Asbel, Lenore E.; Bernstein, Kyle T.; Kerani, Roxanne P.; Mettenbrink, Christie J.; Pathela, Preeti; Schwebke, Jane R.; Secor, W. Evan; Workowski, Kimberly A.; Davis, Darlene; Braxton, Jim; Weinstock, Hillard S.

doi:10.3201/eid1806.111590

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Trichomonas vaginalis Antimicrobial Drug Resistance in 6 US Cities, STD Surveillance Network, 2009–2010

Published Date:

Jun 2012

Publisher's site:

http://dx.doi.org/10.3201/eid1806.111590 New Site Icon

Source:

Emerg Infect Dis. 18(6):939-943.

[PDF - 333.39 KB]

Details:

Personal Authors:

Kirkcaldy, Robert D. ; Augostini, Peter ; Asbel, Lenore E. ; Bernstein, Kyle T. ; Kerani, Roxanne P. ; ... More ▼

Keywords:

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Description:

Nitroimidazoles (metronidazole and tinidazole) are the only recommended drugs for treating Trichomonas vaginalis infection, and previous samples that assessed resistance of such isolates have been limited in geographic scope. We assessed the prevalence of in vitro aerobic metronidazole and tinidazole resistance among T. vaginalis isolates from multiple geographic sites in the United States. Swab specimens were obtained from women who underwent routine pelvic examinations at sexually transmitted disease clinics in 6 US cities. Cultured T. vaginalis isolates were tested for nitroimidazole resistance (aerobic minimum lethal concentration [MLC] >50 µg/mL). Of 538 T. vaginalis isolates, 23 (4.3%) exhibited low-level in vitro metronidazole resistance (minimum lethal concentrations 50-100 µg/mL). No isolates exhibited moderate- to high-level metronidazole resistance or tinidazole resistance. Results highlight the possibility that reliance on a single class of antimicrobial drugs for treating T. vaginalis infections may heighten vulnerability to emergence of resistance. Thus, novel treatment options are needed.

Document Type:

Journal Article

Collection(s):

Emerging Infectious Diseases

Funding:

PS08-865/PS/NCHHSTP CDC HHS/United States

Supporting Files:

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