<?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>0864-0300</journal-id>
<journal-title><![CDATA[Revista Cubana de Investigaciones Biomédicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Invest Bioméd]]></abbrev-journal-title>
<issn>0864-0300</issn>
<publisher>
<publisher-name><![CDATA[ECIMED]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03002021000100004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización clínica de infecciones de tracto urinario producidas por enterobacterias productoras de betalactamasas de espectro extendido]]></article-title>
<article-title xml:lang="en"><![CDATA[Clinical characterization of urinary tract infections caused by extended-spectrum betalactamase producing enterobacteria]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navarrete Mejía]]></surname>
<given-names><![CDATA[Pedro Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loayza Alarico]]></surname>
<given-names><![CDATA[Manuel Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velasco Guerrero]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benites Azabache]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de San Martín de Porres Centro de Investigación de Epidemiología Clínica y Medicina Basada en Evidencia ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Continental  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Ministerio de Salud Centro Nacional de Epidemiología, Prevención y Control de Enfermedades ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Ricardo Palma  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Nacional Arzobispo Loayza  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Privada Norbert Wiener S.A  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2021</year>
</pub-date>
<volume>40</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03002021000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03002021000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03002021000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: Las infecciones de tracto urinario se encuentran entre las infecciones de mayor prevalencia en la parte clínica. Son un problema de salud global y se pueden presentar con o sin síntomas. Los agentes bacterianos aislados en mayor frecuencia son Escherichia coli, Klebsiella spp y Proteus spp.  Objetivo:  Caracterizar las infecciones de tracto urinario producidas por enterobacterias productoras de betalactamasas de espectro extendido en pacientes hospitalizados, Lima 2016-2018.  Métodos:  Se realizó un estudio descriptivo en 2 instituciones prestadoras de salud, en Lima, Perú, durante el periodo 2016-2018, a partir de los aislamientos de patógenos blee asociados a infecciones de tracto urinario. Se tuvieron en cuenta variables sociodemográficas, enfermedades asociadas, agentes aislados, tratamiento y respuesta clínica.  Resultados:  Se obtuvo un registro de 117 pacientes, con edad promedio de 58,18 ± 11,8 años; 65,0 % fueron mujeres y 89,74 % provenían del área urbana de Lima. Las enfermedades asociadas más frecuentes fueron diabetes (39,3 %) y enfermedad renal moderada o grave (12,8 %), con índice de Charlson medio de 2,70 ± 1,21. Los agentes aislados más comunes fueron Escherichia coli (92,3%), Klebsiella spp (6,0 %) y Proteus spp (1,7 %). Los tratamientos empíricos usados fueron ampicilina/sulbactam (18,9 %), ciprofloxacino (49,6 %) y nitrofurantoína (16,7 %). El 49,2 % de los pacientes recibió tratamiento dirigido, 22,8 % ertapenem y 13,9 % piperacilina/tazobactam.  Conclusiones: Las personas con diabetes y enfermedad renal son un grupo vulnerable a las infecciones de tracto urinario. El agente causal aislado en mayor frecuencia fue Escherichia coli blee+. Los tratamientos de inicio luego de la identificación clínica de la infección urinaria fueron ciprofloxacino y cefalosporinas. Una vez obtenidos los resultados microbiológicos se modificó el tratamiento antibiótico a carbapenémicos y penicilinas. La revaloración de los antibióticos usados en pacientes con enfermedades asociadas es importante para el éxito del tratamiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Urinary tract infections are among the most prevalent infections in clinical practice. They are a global health problem and may present with or without symptoms. The bacterial agents most commonly isolated are Escherichia coli, Klebsiella spp. and Proteus spp.  Objective:  Characterize urinary tract infections caused by extended-spectrum betalactamase producing enterobacteria in hospitalized patients from Lima in the period 2016-2018.  Methods:  A descriptive study was conducted at two health institutions from Lima, Peru, in the period 2016-2018, based on isolation of ESBL pathogens associated to urinary tract infections. Attention was paid to sociodemographic variables, associated conditions, agents isolated, treatment and clinical response.  Results:  A sample was selected of 117 patients; mean age was 58.18 ± 11.8 years; 65.0% were women and 89.74% came from the urban area of Lima. The most common associated conditions were diabetes (39.3%) and moderate or serious kidney disease (12.8%), with a mean Charlson index of 2.70 ± 1.21. The most common isolated agents were Escherichia coli (92.3%), Klebsiella spp. (6.0%) and Proteus spp. (1.7%). The empirical treatments used were ampicillin/sulbactam (18.9%), ciprofloxacin (49.6%) and nitrofurantoin (16.7%). 49.2% of the patients received targeted treatment, 22.8% ertapenem and 13.9% piperacillin/tazobactam.  Conclusions: People with diabetes and kidney disease are vulnerable to urinary tract infections. The causative agent most commonly isolated was ESBL Escherichia coli. The initial treatments indicated after clinical identification of urinary infection were ciprofloxacin and cephalosporins. When microbiological results were obtained, antibiotic therapy was changed to carbapenems and penicillins. Reassessment of the antibiotics used in patients with associated conditions is important for the success of the treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[resistencia betalactámica]]></kwd>
<kwd lng="es"><![CDATA[tracto urinario]]></kwd>
<kwd lng="es"><![CDATA[farmacorresistencia]]></kwd>
<kwd lng="en"><![CDATA[resistance to betalactam antibiotics]]></kwd>
<kwd lng="en"><![CDATA[urinary tract]]></kwd>
<kwd lng="en"><![CDATA[drug resistance]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guevara]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Merentes]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Rizzi]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Papaptzikos]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Rivero]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patrones de susceptibilidad antimicrobiana de bacterias gramnegativos aisladas de infecciones del tracto urinario en Venezuela Resultados del estudio SMART 2009-2012]]></article-title>
<source><![CDATA[Revista Chilena de Infectología]]></source>
<year>2015</year>
<volume>32</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>639-48</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Echevarría]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Sarmiento]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Osores]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Infección del tracto urinario y manejo antibiótico]]></article-title>
<source><![CDATA[Acta méd peruana]]></source>
<year>2006</year>
<volume>23</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>26-31</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Avilés]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Betancour]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Velasco]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Godoy]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Barthel]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factores asociados a infecciones urinarias producidas por enterobacterias productoras de ß-lactamasas de espectro extendido una cohorte prospectiva]]></article-title>
<source><![CDATA[Revista Chilena de Infectología]]></source>
<year>2016</year>
<volume>33</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>628-34</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Galindo]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización molecular y patrón de susceptibilidad antimicrobiana de Escherichia coli productora de ß-lactamasas de espectro extendido en infección del tracto urinario adquirida en la comunidad]]></article-title>
<source><![CDATA[Revista Chilena de Infectología]]></source>
<year>2018</year>
<volume>35</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>29-35</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Sosa]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Características y factores de riesgo de la infección de vías urinarias con cultivo positivo para betalactamasas de espectro extendido en adultos atendidos en urgencias en el Hospital Militar Central]]></article-title>
<source><![CDATA[Infectio]]></source>
<year>2018</year>
<volume>22</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>147-52</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escherichia coli portador de betalactamasas de espectro extendido resistencia]]></article-title>
<source><![CDATA[Sanid Mil]]></source>
<year>2013</year>
<volume>69</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>244-8</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Araque]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Millán]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Millán]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Vielma]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalencia de ß-lactamasa CTX-M-15 en grupos filogenéticos de Escherichia coli uropatógena aisladas en pacientes de la comunidad en Mérida, Venezuela]]></article-title>
<source><![CDATA[Invest Clin]]></source>
<year>2014</year>
<volume>55</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>32-43</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zúniga]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Bejarano]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Valenzuela]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Gough]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Chinchilla]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Perfil de sensibilidad a los antibióticos de las bacterias en infecciones del tracto urinario]]></article-title>
<source><![CDATA[Acta méd costarric]]></source>
<year>2016</year>
<volume>58</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>146-54</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Charlson]]></surname>
<given-names><![CDATA[ME]]></given-names>
</name>
<name>
<surname><![CDATA[Pompei]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Ales]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
<name>
<surname><![CDATA[MacKenzie]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A new method of classifying prognostic comorbidity in longitudinal studies development and validation]]></article-title>
<source><![CDATA[J Chronic Dis]]></source>
<year>2003</year>
<volume>40</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>373-83</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Leal]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Cortés]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ovalle]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Saavedra]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Buitrago]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Emergencia de fenotipos resistentes a cefalosporinas de tercera generación en Enterobacteriaceae causantes de infección del tracto urinario de inicio comunitario en hospitales de Colombia]]></article-title>
<source><![CDATA[Enferm Infecc Microbiol Clin]]></source>
<year>2013</year>
<volume>31</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>298-303</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Escalante-Montoya]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Síme-Díaz]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Díaz-Vélez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical and epidemiological characteristics of patients with nosocomial infection by bacteria producing extended spectrum beta-lactamase]]></article-title>
<source><![CDATA[Revista Peruana de Epidemiología]]></source>
<year>2013</year>
<volume>17</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diestra]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Coque]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Miró]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Oteo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Nicolau]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Moya]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Caracterización y epidemiología molecular de betalactamasas de espectro extendido en Escherichia coli y Klebsiella pneumoniae en once hospitales españoles]]></article-title>
<source><![CDATA[Enferm Infecc Microbiol Clin]]></source>
<year>2008</year>
<volume>26</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>404-10</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Briongos]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Bachiller]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Domínguez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Epidemiology, risk factors and comorbidity for urinary tract infections caused by extendedspectrum betalactamase (ESBL) - producing enterobacteria]]></article-title>
<source><![CDATA[NT J Clin Pract]]></source>
<year>2012</year>
<volume>66</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>891-6</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[JR]]></given-names>
</name>
<name>
<surname><![CDATA[Pascual]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Cantón]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Escherichia coli y Klebsiella pneumoniae productoras de betalactamasas de espectro extendido en hospitales españoles (Proyecto GEIH-BLEE 2000)]]></article-title>
<source><![CDATA[Enferm Infecc Microbiol Clin]]></source>
<year>2003</year>
<volume>21</volume>
<page-range>77-82</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schoevaerdts]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Bogaerts]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Grimmelprez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[De Saint-Hubert]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Delaere]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Jamart]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Clinical profiles of patients colonized or infected with extended-spectrum betalactamase producing enterobacteriaceae isolates A 20 month retrospective study at a Belgian University Hospital]]></article-title>
<source><![CDATA[BMC Infect Dis]]></source>
<year>2010</year>
<volume>12</volume>
<page-range>1-12</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Philippon]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Arlet]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Lagrange]]></surname>
<given-names><![CDATA[PH]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Origin and impact of plasmid-mediated extended spectrum beta-lactamases]]></article-title>
<source><![CDATA[Eur J Clin Microbiol Infect Dis]]></source>
<year>1994</year>
<volume>13</volume>
<numero>Suppl 1</numero>
<issue>Suppl 1</issue>
<page-range>S17-29</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro-Orozco]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Barreto-Maya]]></surname>
<given-names><![CDATA[AC]]></given-names>
</name>
<name>
<surname><![CDATA[Guzmán-Álvarez]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Quiroz]]></surname>
<given-names><![CDATA[RJ]]></given-names>
</name>
<name>
<surname><![CDATA[Benítez-Peña]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Patrones de resistencia antimicrobiana en uropatógenos gramnegativos aislados de pacientes ambulatorios y hospitalizados Cartagena, 2005-2008]]></article-title>
<source><![CDATA[Rev Salud Pública]]></source>
<year>2010</year>
<volume>12</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1010-9</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Plata]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Sejnaui]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Rico]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Vanegas]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Resistencia de la E coli en urocultivos de pacientes con sospecha de infección urinaria intra y extra hospitalaria en la Fundación Santa Fe de Bogotá]]></article-title>
<source><![CDATA[Urología Colombiana]]></source>
<year>2009</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>53-8</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wu]]></surname>
<given-names><![CDATA[UI]]></given-names>
</name>
<name>
<surname><![CDATA[Yang]]></surname>
<given-names><![CDATA[CS]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[WC]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[YC]]></given-names>
</name>
<name>
<surname><![CDATA[Chang]]></surname>
<given-names><![CDATA[SC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Risk factors for bloodstream infections due to extended-spectrum beta-lactamase-producing Escherichia coli]]></article-title>
<source><![CDATA[J Microbiol Inmunol Infect]]></source>
<year>2010</year>
<volume>43</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>310-6</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
