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Bacterial Vaginosis Assessed by Gram Stain and Diminished Colonization Resistance to Incident Gonococcal, Chlamydial, and Trichomonal Genital Infection
Ist Teil von
The Journal of infectious diseases, 2010-12, Vol.202 (12), p.1907-1915
Ort / Verlag
Oxford: The University of Chicago Press
Erscheinungsjahr
2010
Link zum Volltext
Quelle
Oxford Journals 2020 Medicine
Beschreibungen/Notizen
Background. We sought to assess the relationship between bacterial vaginosis (BV) assessed by Gram stain and incident trichomonal, gonococcal, and/or chlamydial genital infection. Methods. This longitudinal study included 3620 nonpregnant women aged 15–44 years who presented for routine care at 12 clinics in Birmingham, Alabama. Participants were assessed quarterly for 1 year. Vaginal smears were categorized by the Nugent Gram stain score (0–3, normal; 4–6, intermediate state; 7–10, BV). Pooled logistic regression was used to estimate the hazard ratios for the comparison of trichomonal, gonococcal, and chlamydial infection incidence in participants by Nugent score at the prior visit. Participants were censored at their first visit with a positive test result for trichomonal, gonococcal, and/or chlamydial infection. Results. Of the 10,606 eligible visits, 37.96% were classified by BV and 13.3% by positive detection of trichomonal, gonococcal, and/or chlamydial infection. An intermediate state or BV at the prior visit was associated with a 1.5–2-fold increased risk for incident trichomonal, gonococcal, and/or chlamydial infection (adjusted hazard ratio [AHR] for intermediate state, 1.41 [95% confidence interval {CI}, 1.12–1.76]; AHR for BV, 1.73 [95% CI, 1.42–2.11]; P=.058 for trend). Estimates were similar for trichomonal-only, gonococcal-only, and chlamydialonly infection outcomes. Conclusion. BV microbiota as gauged by Gram stain is associated with a significantly elevated risk for acquisition of trichomonal, gonococcal, and/or chlamydial genital infection.