학술논문

Cross-sectional study to evaluate Trichomonas vaginalispositivity in women tested for Neisseria gonorrhoeaeand Chlamydia trachomatis, attending genitourinary medicine and primary care clinics in Bristol, South West England
Document Type
Article
Source
Sexually Transmitted Infections; 2018, Vol. 94 Issue: 2 p93-99, 7p
Subject
Language
ISSN
13684973; 14723263
Abstract
BackgroundHighly sensitive, commercial nucleic acid amplification tests (NAAT) for Trichomonas vaginalishave only recently been recommended for use in the UK. While testing for T. vaginalisis routine in symptomatic women attending genitourinary medicine (GUM) clinics, it is rare in asymptomatic women or those attending primary care. The aim of this study was to evaluate the positivity of T. vaginalisusing a commercial NAAT, in symptomatic and asymptomatic women undergoing testing for chlamydia and gonorrhoea in GUM and primary care settings.MethodsSamples from 9186 women undergoing chlamydia and gonorrhoea testing in South West England between May 2013 and Jan 2015 were also tested for T. vaginalisby NAAT alongside existing tests.ResultsT. vaginalispositivity using NAAT was as follows: in GUM 4.5% (24/530, symptomatic) and 1.7% (27/1584, asymptomatic); in primary care 2.7% (94/3499, symptomatic) and 1.2% (41/3573, asymptomatic). Multivariable regression found that in GUM older age, black ethnicity and deprivation were independent risk factors for T. vaginalisinfection. Older age and deprivation were also risk factors in primary care. Testing women presenting with symptoms in GUM and primary care using TV NAATs is estimated to cost £260 per positive case diagnosed compared with £716 using current microbiological tests.ConclusionsAptima TV outperforms existing testing methods used to identify T. vaginalisinfection in this population. An NAAT should be used when testing for T. vaginalisin women who present for testing with symptoms in primary care and GUM, based on test performance and cost.