<?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>S0120-41572020000500139</article-id>
<article-id pub-id-type="doi">10.7705/biomedica.4772</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comparación de los perfiles de resistencia antimicrobiana de Escherichia coli uropatógena e incidencia de la producción de betalactamasas de espectro extendido en tres establecimientos privados de salud de Perú]]></article-title>
<article-title xml:lang="en"><![CDATA[Comparison of Escherichia coli antibiotic-resistance profiles and incidence of beta- lactamase phenotypes in three private health facilities in Perú]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marcos-Carbajal]]></surname>
<given-names><![CDATA[Pool]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galarza-Pérez]]></surname>
<given-names><![CDATA[Marco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huancahuire-Vega]]></surname>
<given-names><![CDATA[Salomón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otiniano-Trujillo]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Pastrana]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Peruana Unión  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Salud  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Nacional Docente &#8220;Madre Niño San Bartolomé&#8221;  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2020</year>
</pub-date>
<volume>40</volume>
<fpage>139</fpage>
<lpage>147</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-41572020000500139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-41572020000500139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-41572020000500139&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. La aparición de enterobacterias multirresistentes y productoras de betalactamasas de espectro extendido en pacientes ambulatorios con infecciones urinarias representa un problema de salud pública en Perú.  Objetivo. Comparar los perfiles de resistencia de Escherichia coli uropatógenas e identificar los fenotipos de cepas productoras de betalactamasas de espectro extendido en tres establecimientos privados de salud localizados en las regiones de la costa, la sierra y la selva de Perú.  Materiales y métodos. Se llevó a cabo durante el 2016 un estudio descriptivo de 98 muestras de orina de pacientes con infección urinaria, 35 procedentes de Lima (costa), 38 de Juliaca (sierra) y 25 de Iquitos (selva), en el que se determinó la sensibilidad antimicrobiana utilizando ocho discos antibióticos. Asimismo, se evaluó la producción de betalactamasas de espectro extendido con discos de cefotaxima, de ceftazidima o de su combinación, con ácido clavulánico en agar Mueller-Hinton.  Resultados. Se identificaron 18 perfiles de resistencia que incluían desde los sensibles a todos los antibióticos hasta los resistentes simultáneamente a siete antibióticos, con el 18,4 % de aislamientos resistentes a un antibiótico y el 54,0 % de multirresistentes. Se detectó producción de betalactamasas en el 28,6 % de las cepas procedentes de la región de Puno. También, se observó un mayor número de casos en el rango de edad de 31 a 45 años con resistencia a ceftazidima, ceftriaxona, gentamicina y trimetoprim-sulfametoxazol en el establecimiento de salud de Puno.  Conclusión. Los perfiles de resistencia variaron según la localización geográfica del establecimiento de salud, observándose mayor resistencia a los antibióticos en la región de la sierra de Perú, con el 28,6 % de cepas productoras de betalactamasas de espectro extendido.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: The appearance of multidrug-resistant and beta-lactamase producing enterobacteria in outpatient care facilities represent a public health problem in Perú.  Objective: To compare the resistance profiles of uropathogenic Escherichia coli and to identify extended-spectrum beta-lactamase-producing phenotypes in three private health facilities located in the Peruvian coast, Andean and jungle regions.  Materials and methods: We conducted a descriptive study on 98 urine samples from Lima (coast), Juliaca (Andean region) and Iquitos (jungle region) during 2016. We determined the antimicrobial susceptibility in 35 samples from Lima, 38 from Juliaca and 25 from Iquitos using eight antibiotic disks in samples from patients diagnosed with urinary infection. We also evaluated the production of extended-spectrum beta-lactamases with cefotaxime and ceftazidime disks and a combination of both with clavulanic acid on Mueller-Hinton agar.  Results: We identified 18 resistance profiles ranging from those sensitive to others simultaneously resistant to seven antibiotics: 18.4% resistant to one and 54.0% to multiple antibiotics. We detected beta-lactamase production in 28.6% of the strains from the Puno region. Likewise, we observed a greater number of cases with resistance to ceftazidime, ceftriaxone, gentamicin, and trimethoprim-sulfamethoxazole in Puno&#8217;s health facility in patients within the 31 to 45 year age range.  Conclusion: Resistance profiles varied according to the geographical location of the health facilities under study. Resistance to antibiotics was higher in the Andean region with 28.6% of strains producing extended-spectrum beta-lactamases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Enterobacteriaceae]]></kwd>
<kwd lng="es"><![CDATA[pruebas antimicrobianas de difusión por disco]]></kwd>
<kwd lng="es"><![CDATA[infecciones urinarias]]></kwd>
<kwd lng="es"><![CDATA[beta-lactamasas]]></kwd>
<kwd lng="es"><![CDATA[resistencia a medicamentos]]></kwd>
<kwd lng="es"><![CDATA[Perú]]></kwd>
<kwd lng="en"><![CDATA[Enterobacteriaceae]]></kwd>
<kwd lng="en"><![CDATA[disk diffusion antimicrobial tests]]></kwd>
<kwd lng="en"><![CDATA[urinary tract infections]]></kwd>
<kwd lng="en"><![CDATA[beta-lactamases]]></kwd>
<kwd lng="en"><![CDATA[drug resistance]]></kwd>
<kwd lng="en"><![CDATA[Perú]]></kwd>
</kwd-group>
</article-meta>
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