<?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>0001-6002</journal-id>
<journal-title><![CDATA[Acta Médica Costarricense]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. costarric]]></abbrev-journal-title>
<issn>0001-6002</issn>
<publisher>
<publisher-name><![CDATA[Colegio de Médicos y Cirujanos de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0001-60022020000200072</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ozono como método de desinfección del ambiente hospitalario]]></article-title>
<article-title xml:lang="en"><![CDATA[Ozone a method of disinfection of the environment of hospitals]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lara-Fernández]]></surname>
<given-names><![CDATA[Gloria Esther]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ariosa- Acuña]]></surname>
<given-names><![CDATA[Concepción María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borroto-Rodríguez]]></surname>
<given-names><![CDATA[Vivian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puerta-Armas]]></surname>
<given-names><![CDATA[Ángela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortiz-Hernández]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villalobos-Morales]]></surname>
<given-names><![CDATA[César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Neurología y Neurocirugía  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba.</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Clínica St. Louis Medical Group  ]]></institution>
<addr-line><![CDATA[San José ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>62</volume>
<numero>2</numero>
<fpage>72</fpage>
<lpage>78</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0001-60022020000200072&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0001-60022020000200072&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0001-60022020000200072&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Justificación y objetivo:  Las infecciones asociadas a la asistencia sanitaria elevan los costos, prolongan la estadía hospitalaria e incrementan la mortalidad, por lo que se hace necesaria la desinfección ambiental como método de disminuir este problema. El objetivo del estudio fue evaluar el impacto del uso del ozono para la desinfección ambiental, en áreas de alto riesgo hospitalario.  Métodos:  Se realizó una intervención para la desinfección de ambiente con el empleo de equipos de ozono en áreas de alto riesgo del Instituto de Neurología y Neurocirugía de Cuba, y se evaluó el resultado mediante las siguientes variables: estado microbiológico ambiental, número de fallecidos en general, por sepsis, y consumo de antibióticos durante enero - junio de 2019.  Resultados:  De las 12 áreas evaluadas, previo a la aplicación de ozono ambiente, teniendo en cuenta la cantidad de unidades formadoras de colonias por m3, 2 se clasificaron como ambiente no aceptable, 3 como ambiente aceptable, 7 como ambiente limpio. Posterior a la aplicación de ozono, se obtuvo en las 12, resultados correspondientes a ambiente muy limpio. El consumo de antibióticos disminuyó a un tercio en las áreas expuestas evaluadas y se elevó en las no expuestas. Hubo menor número de fallecidos que en similar periodo del año anterior a la intervención.  Conclusiones:  La desinfección ambiental con ozono en áreas hospitalarias de alto riesgo fue útil para generar ambientes limpios, y favorecer la disminución del consumo de antibióticos, la estadía hospitalaria y la mortalidad por infecciones asociadas a la asistencia sanitaria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary  Background and aim: Health care-associated infections raise costs, prolong hospital stays and increase mortality, making environmental disinfection necessary as a method of reducing this problem. The aim of this study was to evaluate the impact of the use of ozone for environmental disinfection in areas of high hospital risk.  Methods:  An intervention was carried out to disinfect the environment with the use of ozone equipment in high-risk areas of the Cuban Institute of Neurology an Neurosurgery and the result was evaluated using the following variables: environmental microbiological status, number of deaths in general and for sepsis, and consumption of antibiotics from January to June 2019.  Results:  Of the 12 areas evaluated, prior to the application of ozone, taking into account the number of colony forming units per m3, 2 were classified as unacceptable, 3 as an acceptable environment and 7 as a clean environment . After the ozone application, the results of the 12 areas showed a very clean environment. Antibiotic use decreased to a third in the exposed areas evaluated and rose in the unexposed areas. There were fewer deaths than in a similar period of the year prior to the intervention.  Conclusions:  Environmental disinfection with ozone in high-risk hospital areas is useful to generate clean environments, and favor the decrease in antibiotic consumption and mortality due to infections associated with healthcare.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Desinfección]]></kwd>
<kwd lng="es"><![CDATA[ozono]]></kwd>
<kwd lng="es"><![CDATA[microbiología]]></kwd>
<kwd lng="es"><![CDATA[infecciones intrahospitalarias.]]></kwd>
<kwd lng="en"><![CDATA[Disinfection]]></kwd>
<kwd lng="en"><![CDATA[ozone]]></kwd>
<kwd lng="en"><![CDATA[microbiology]]></kwd>
<kwd lng="en"><![CDATA[in-hospital infections.]]></kwd>
</kwd-group>
</article-meta>
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