<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-4157</journal-id>
<journal-title><![CDATA[Biomédica]]></journal-title>
<abbrev-journal-title><![CDATA[Biomédica]]></abbrev-journal-title>
<issn>0120-4157</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-41572019000400689</article-id>
<article-id pub-id-type="doi">10.7705/biomedica.4514</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de colonización vaginorrectal por Streptococcus agalactiae y su perfil de sensibilidad en mujeres embarazadas atendidas en un hospital de tercer nivel]]></article-title>
<article-title xml:lang="en"><![CDATA[Vagino-rectal colonization prevalence by Streptococcus agalactiae and its susceptibility profile in pregnant women attending a third-level hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campo]]></surname>
<given-names><![CDATA[César Hernán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rincón]]></surname>
<given-names><![CDATA[Giovanna]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario de Santander Departamento de Ginecología y Obstetricia ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Industrial de Santander Grupo de Investigación de Inmunología y Epidemiología Molecular ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Industrial de Santander Facultad de Salud Escuela de Medicina]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>39</volume>
<numero>4</numero>
<fpage>689</fpage>
<lpage>698</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-41572019000400689&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-41572019000400689&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-41572019000400689&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción.  Streptococcus agalactiae es el principal agente etiológico causante de infección invasiva del recién nacido con cuadros clínicos que pueden cursar con septicemia, neumonía o meningitis con prevalencias hasta del 50 % a nivel mundial, donde se viene presentando un incremento en su resistencia antibiótica.  Objetivo.  Estimar la prevalencia de colonización vaginorrectal por S. agalactiae y su perfil de sensibilidad, en mujeres embarazadas atendidas en un hospital de tercer nivel.  Materiales y métodos.  Se muestrearon 121 mujeres gestantes mediante hisopado vaginal y rectal. Los cultivos se desarrollaron siguiendo la metodología recomendada por los Centers for Disease Control and Prevention (CDC) y se agregó el agar chromID Strepto B. Las colonias sugestivas se identificaron bioquímicamente y se determinaron los perfiles de sensibilidad según el Clinical and Laboratory Standards Institute (CLSI).  Resultados.  La prevalencia de colonización por S. agalactiae en las mujeres gestantes fue del 20,66 %. Se obtuvieron 40 aislamientos del total de muestras analizadas, de los cuales, el 12,5 % no presentó sensibilidad a la penicilina. La sensibilidad a la levofloxacina, la clindamicina y la eritromicina fue de 100 %, 92,5 % y 87,5 %, respectivamente; no se encontró sensibilidad a la tetraciclina. El fenotipo iMLSB se encontró en tres y, el M, en dos de los 40 aislamientos.  Conclusiones.  La prevalencia de colonización vaginorrectal por S. agalactiae en la población de estudio, fue de 20,66 %. Se obtuvieron aislamientos no sensibles a la penicilina, y con resistencia a los macrólidos y las lincosamidas mediante el método de Kirby-Bauer. Por ello, es importante la búsqueda activa en las mujeres gestantes colonizadas por estreptococos del grupo B y la vigilancia epidemiológica constante para detectar cambios en los perfiles de sensibilidad de los aislamientos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Streptococcus agalactiae is the main etiological agent causing invasive infection of the newborn with symptoms that may be associated with septicemia, pneumonia or meningitis and prevalences up to 50% worldwide where there is an increase in antibiotic resistance.  Objective:  To estimate the prevalence of vagino-rectal colonization by S. agalactiae and its sensitivity profile in pregnant women attending a third-level hospital.  Materials and methods:  One hundred and twenty one pregnant women were sampled by vaginal and rectal swabs. The cultures were carried out following the methodology recommended by the CDC, and chromID Strepto B agar was added. The suggestive colonies were identified biochemically and the sensitivity profiles according to CLSI were determined. As control, S. pneumoniae ATCC 49619 and S. agalactiae ATCC 12403 were used.  Results:  Pregnant colonization prevalence by S. agalactiae was 20.66%, with a total of 40 isolates of which 12.5% were non-sensitivity to penicillin. Sensitivity to levofloxacin, clindamycin and erythromycin was 100%, 92.5% y 87.5%, respectively, with the phenotypes iMLSB (3/40) and M (2/40). No sensitivity to tetracycline was found.  Conclusions:  The prevalence of vagino-rectal colonization by S. agalactiae in the study population was 20.66%, obtaining isolates not sensitive to penicillin and resistance to macrolides and lincosamidas by the Kirby-Bauer technique, so the importance of carrying out active active in pregnant women colonized by Streptococcus agalactiae and to perform constant epidemiological surveillance to detect changes in the sensitivity profiles of the isolates.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Streptococcus agalactiae]]></kwd>
<kwd lng="es"><![CDATA[mujeres embarazadas]]></kwd>
<kwd lng="es"><![CDATA[sepsis neonatal]]></kwd>
<kwd lng="es"><![CDATA[profilaxis antibiótica]]></kwd>
<kwd lng="en"><![CDATA[Streptococcus agalactiae]]></kwd>
<kwd lng="en"><![CDATA[pregnant women]]></kwd>
<kwd lng="en"><![CDATA[neonatal sepsis]]></kwd>
<kwd lng="en"><![CDATA[prophylaxis antibiotic]]></kwd>
</kwd-group>
</article-meta>
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