Use of an immunochromatographic assay for rapid detection of Trichomonas vaginalis in vaginal specimens

Jill S. Huppert, Byron Batteiger, Phillip Braslins, James A. Feldman, Marcia M. Hobbs, Heather Z. Sankey, Arlene C. Sena, Karen A. Wendel

Research output: Contribution to journalArticle

81 Citations (Scopus)

Abstract

Trichomonas vaginalis infection is estimated to be the most widely prevalent nonviral sexually transmitted infection in the world. Wet-mount microscopy is the most common diagnostic method, although it is less sensitive than culture. The OSOM Trichomonas Rapid Test (Genzyme Diagnostics, Cambridge, Mass.) (referred to here as OSOM) is a new point-of-care diagnostic assay for T. vaginalis that uses an immunochromatographic capillary flow (dipstick) assay and provides results in 10 min. The purpose of this study was to determine the test characteristics of OSOM compared to those of a composite reference standard (CRS) comprised of wet-mount microscopy and T. vaginalis culture. This multicenter cross-sectional study enrolled sexually active women ≤ 18 years of age who presented with symptoms of vaginilis, exposure to T. vaginalis, or multiple sexual partners. Vaginal-swab specimens were obtained for T. vaginalis culture, wet mount, and rapid testing. The prevalence of T. vaginalis in this sample was 23.4% (105 of 449) by the CRS. The sensitivity and specificity of OSOM vaginal-swab specimens were 83.3 and 98.8%, respectively, while wet mount had a sensitivity and specificity of 71.4 and 100%, respectively, compared to the CRS. OSOM performed significantly better than wet mount (P = 0.004) and detected T. vaginalis in samples that required 48 to 72 h of incubation prior to becoming culture positive. The performance of the rapid test was not affected by the presence of coinfections with chlamydia and gonorrhea. The OSOM Trichomonas Rapid Test is a simple, objective test that can be expected to improve the diagnosis of T. vaginalis, especially where microscopy and culture are unavailable.

Original languageEnglish
Pages (from-to)684-687
Number of pages4
JournalJournal of Clinical Microbiology
Volume43
Issue number2
DOIs
StatePublished - Feb 2005

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Immunochromatography
Trichomonas vaginalis
Trichomonas
Microscopy
Sexual Partners
Trichomonas Infections
Point-of-Care Systems
Sensitivity and Specificity
Chlamydia
Gonorrhea
Sexually Transmitted Diseases
Coinfection
Routine Diagnostic Tests
Cross-Sectional Studies

ASJC Scopus subject areas

  • Microbiology (medical)
  • Microbiology

Cite this

Use of an immunochromatographic assay for rapid detection of Trichomonas vaginalis in vaginal specimens. / Huppert, Jill S.; Batteiger, Byron; Braslins, Phillip; Feldman, James A.; Hobbs, Marcia M.; Sankey, Heather Z.; Sena, Arlene C.; Wendel, Karen A.

In: Journal of Clinical Microbiology, Vol. 43, No. 2, 02.2005, p. 684-687.

Research output: Contribution to journalArticle

Huppert, Jill S. ; Batteiger, Byron ; Braslins, Phillip ; Feldman, James A. ; Hobbs, Marcia M. ; Sankey, Heather Z. ; Sena, Arlene C. ; Wendel, Karen A. / Use of an immunochromatographic assay for rapid detection of Trichomonas vaginalis in vaginal specimens. In: Journal of Clinical Microbiology. 2005 ; Vol. 43, No. 2. pp. 684-687.
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