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Vaginal microbiota in healthy pregnant women and prenatal screening of group B streptococci (GBS) / Microbiota vaginal durante la gestación en mujeres sanas y diagnóstico prenatal de estreptococos del grupo B (GBS)
Berlanga, M; Bayó, M; Agut, M.
Affiliation
  • Berlanga, M; Universitat de Barcelona. Departament de Microbiologia i Parasitologia Sanitàries. Barcelona. España
  • Bayó, M; Laboratorio d'análisis M Bayó Boada. Barcelona. España
  • Agut, M; Institut Químic de Sarrià. Barcelona. España
Int. microbiol ; 5(2): 87-90, jun. 2002. tab
Article in English | IBECS | ID: ibc-14847
Responsible library: ES1.1
Localization: ES1.1 - BNCS
ABSTRACT
The microbiota of the lower female genital tract was evaluated from vaginal swabs obtained from 623 healthy pregnant women at gestation periods of 35-40 weeks. Isolated and identified microorganisms were expressed as percentages of total samples. As expected, lactobacilli made up the dominant vaginal microbiota (70%). Enterobacteriaceae, mainly Escherichia coli, Klebsiella spp. and Proteus, were present in 38% of the samples, which might reflect the possible contamination of vaginal tract with rectal microorganisms. Candida albicans was present in 10% of healthy pregnant woman assayed. Streptoccocci (Streptococcus sp. and Enterococcus faecalis with 3% and 4%, respectively) and other gram-positive cocci (Staphylococcus sp., 5%), along with other microorgansisms such as Gardnerella vaginalis (5%) and Pseudomonas aeruginosa (2%) may represent a potential infection risk. Streptococcus agalactiae (group B streptococci beta-hemolytic, GBS) was detected in 7% of the samples. GBS infection is a leading cause of neonatal morbidity and mortality in the developed world. Furthermore, GBS was often co-isolated with C. albicans (54.5%) in the samples. A complete and detailed evaluation of the vaginal biota swab, with particular attention to the presence of potential pathogens such as GBS, is a preventive strategy that can provide useful information to obstetricians and gynecologist in managing the last days of pregnancy and delivery (AU)
RESUMEN
Se evaluó la microbiota del tracto genital inferior femenino a partir de raspados vaginales obtenidos de 623 mujeres embarazadas en períodos de gestación de 35-40 semanas. Las cantitades de microorganismos aislados e identificados se expresan en porcentaje sobre la muestra total. Como se esperaba, los lactobacilos constituían la mayor parte de la microbiota vaginal (70 por ciento). En el 38 por ciento de las muestras se encontraron enterobacteriáceas, principalmente Escherichia coli, Klebsiella spp. y Proteus spp., lo cual refleja una posible contaminación del tracto vaginal con microorganismos rectales. Candida albicans estaba presente en el 10 por ciento de las mujeres sanas de la muestra. Los estreptococos (Streptococcus sp. y Enterococcus faecalis con un 3 por ciento y un 4 por ciento, respectivamente), junto con otros microorganismos tales como Gardnerella vaginalis (5 por ciento) y Pseudomonas aeruginosa (2 por ciento) representan un riesgo potencial de infección. Se detectó Streptococcus agalactiae (estreptococo del grupo B b-hemolítico, GBS) en el 7 por ciento de las muestras. La infección por GBS es una de las causas principales de morbidez neonatal y de mortalidad en el mundo desarrollado. Además, GBS suele ser co-aislado con C. albicans (54.5 por ciento) en las muestras. La evaluación e identificación de toda la biota en el raspado vaginal, con especial atención a patógenos como GBS, es una estrategia de prevención que proporciona información útil a los obstétricos y ginecólogos para controlar los últimos días del embarazo y el parto (AU)
Subject(s)
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Collection: National databases / Spain Health context: SDG3 - Health and Well-Being / Neglected Diseases / SDG3 - Target 3.4 Reduce premature mortality due to noncommunicable diseases Health problem: Target 3.2: Reduce avoidable death in newborns and children under 5 / Zoonoses / Other Malignant Neoplasms Database: IBECS Main subject: Streptococcal Infections / Streptococcus agalactiae / Vagina / Candida Type of study: Diagnostic study / Prevalence study / Risk factors / Screening study Limits: Adult / Female / Humans / Pregnancy Language: English Journal: Int. microbiol Year: 2002 Document type: Article Institution/Affiliation country: Institut Químic de Sarrià/España / Laboratorio d'análisis M Bayó Boada/España / Universitat de Barcelona/España
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Collection: National databases / Spain Health context: SDG3 - Health and Well-Being / Neglected Diseases / SDG3 - Target 3.4 Reduce premature mortality due to noncommunicable diseases Health problem: Target 3.2: Reduce avoidable death in newborns and children under 5 / Zoonoses / Other Malignant Neoplasms Database: IBECS Main subject: Streptococcal Infections / Streptococcus agalactiae / Vagina / Candida Type of study: Diagnostic study / Prevalence study / Risk factors / Screening study Limits: Adult / Female / Humans / Pregnancy Language: English Journal: Int. microbiol Year: 2002 Document type: Article Institution/Affiliation country: Institut Químic de Sarrià/España / Laboratorio d'análisis M Bayó Boada/España / Universitat de Barcelona/España
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