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P3.093 Similar, Low Prevalence of Trichomonas Vaginalis in Three Patient Cohorts from General Practitioners, a Population Based Chlamydia Screening Study and an STI-Clinic
  1. T H Geelen1,
  2. C J P A Hoebe1,2,
  3. A Dirks1,2,
  4. J E van Bergen3,
  5. N H T M Dukers-Muijrers1,2,
  6. P F G Wolffs1
  1. 1Maastricht University Medical Center, Maastricht, The Netherlands
  2. 2Department of Sexual Health, Infectious Diseases and Environment, Public Health Service, South Limburg, Geleen, The Netherlands
  3. 3STI Aids The Netherlands, Amsterdam, The Netherlands


Background Among sexually transmitted infections (STIs), Trichomonas vaginalis (TV) is the most common non-viral STI worldwide. However, in Europe, a limited number of studies, mostly on specific risk groups, have described a low TV prevalence. Therefore a large multi-cohort study was performed to investigate the prevalence of TV among three distinct Dutch patient populations. Additionally, the relationship between Chlamydia trachomatis (CT) and TV co-infection was assessed.

Methods 2089 participants, men and women, were included between 2008 and 2012 from three distinct cohorts. A total of 575 participants from the population-based national Chlamydia Screening Intervention (CSI) study, 465 attendees of the STI-clinic South Limburg and 602 patients from general practitioners (GPs) were included. An additional number of CT positives (n = 447) was included to assess TV and CT co-infection. All participants were assessed forTV using real-time PCR.

Results The overall prevalence of TV was 0.9% among the three distinct cohorts and no significant differences between the 3 study populations were observed (GP patients (1.5%), STI clinic (0.6%) and population-based cohort (0.7%)). TV was found in 0.7% of the CT positives and a similar 1.1% among CT negatives. In contrast to CT prevalence which significantly decreased with increasing age, TV prevalence was highest in the age group > 40 years (2%), but did not differ significantly from other age-groups.

Conclusion This large multi-cohort study confirms the low burden for TV in the Netherlands (< 2%) as in most European countries. We have no indication for standard TV testing in regular care.

  • Dutch patient populations
  • screening
  • Trichomonas vaginalis

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