Comparative performance of vulvovaginal swab sampling versus endocervical sampling for the detection of Chlamydia, Gonorrhea, Mycoplasma genitalium, and Trichomoniasis: a cross-sectional study in Spain
The global increase in sexual transmitted infections (STI) makes it necessary to seek public health strategies that facilitate rapid and minimally invasive diagnosis. The objective was to evaluate the concordance between vaginal and endocervical samples for STI diagnosis. A retrospective cross-secti...
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Published in | Revista clínica espanõla (English edition) Vol. 224; no. 6; pp. 393 - 397 |
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Main Authors | , , , , , |
Format | Journal Article |
Language | English |
Published |
Spain
Elsevier España, S.L.U
01.06.2024
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Subjects | |
Online Access | Get full text |
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Summary: | The global increase in sexual transmitted infections (STI) makes it necessary to seek public health strategies that facilitate rapid and minimally invasive diagnosis. The objective was to evaluate the concordance between vaginal and endocervical samples for STI diagnosis.
A retrospective cross-sectional study was carried out on vaginal and endocervical samples from women attended in our reference area with symptoms suggestive of vulvovaginitis or for STI screening during the study period.
A total of 130 paired samples were analyzed; fifty-seven and 59 samples were positive for vaginal and endocervical specimens (Kappa index of 0.969 (Standard error = 0.022). The sensitivity of the vaginal samples was 96.5% (IC95%: 87.2–99.4), with a specificity of 100% (IC95%: 93.0–100).
The introduction of STI screening in vaginal samples in our environment can facilitate rapid and effective diagnosis and allow early treatment of STI. Additionally, it facilitates sample collection and diagnosis in the community setting, essential for optimal screening.
El aumento de infecciones de transmisión sexual (ITS) subraya la necesidad de herramientas de diagnóstico rápido y mínimamente invasivas. El objetivo fue evaluar la concordancia entre muestras vaginales y endocervicales para el diagnóstico de ITS.
Se realizó un estudio transversal retrospectivo de muestras vaginales y endocervicales de mujeres atendidas en nuestra área de referencia con síntomas de vulvovaginitis o cribado de ITS.
Se analizaron 130 muestras pareadas. Cincuenta y siete muestras vaginales y 59 endocervicales fueron positivas para alguno de los patógenos analizados (índice Kappa 0.969 (error estándar = 0,022). La sensibilidad de las muestras vaginales fue del 96,5% (IC95%: 87,2–99,4), con una especificidad del 100% (IC95%: 93,0–100).
La introducción del cribado de ITS en muestras vaginales en nuestro medio puede facilitar un diagnóstico rápido y permitir el tratamiento precoz de las ITS, incluso en pacientes asintomáticas. Además, facilita la recogida de muestras y el diagnóstico en el ámbito comunitario. |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23 ObjectType-Report-3 ObjectType-Case Study-4 |
ISSN: | 2254-8874 2254-8874 |
DOI: | 10.1016/j.rceng.2024.04.015 |