<?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>0185-3325</journal-id>
<journal-title><![CDATA[Salud mental]]></journal-title>
<abbrev-journal-title><![CDATA[Salud Ment]]></abbrev-journal-title>
<issn>0185-3325</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-33252015000500353</article-id>
<article-id pub-id-type="doi">10.17711/SM.0185-3325.2015.048</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones neuropsicológicas por exposición crónica a concentraciones bajas de monóxido de carbono en trabajadores de autopista de peaje de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Neuropsychological alterations by chronic exposure to low concentrations of carbon monoxide in highway workers of Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-López]]></surname>
<given-names><![CDATA[Luis Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Haro-García]]></surname>
<given-names><![CDATA[Luis Cuauhtémoc]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez-Pérez]]></surname>
<given-names><![CDATA[Cuauhtémoc Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Madrid]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Psiquiátrico Fray Bernardino Álvarez  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Salud Pública]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional Siglo XXI Unidad de Investigación en Salud en el Trabajo]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2015</year>
</pub-date>
<volume>38</volume>
<numero>5</numero>
<fpage>353</fpage>
<lpage>359</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-33252015000500353&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-33252015000500353&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-33252015000500353&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[ ANTECEDENTES: Trabajadores de la industria automovilística, estaciones de servicio, autopistas de peaje, estacionamientos y los que laboran en las calles, están en contacto crónico con bajas concentraciones de monóxido de carbono (CO) y, por lo tanto, en riesgo de sufrir alteraciones en los sistemas cardiovascular, hematológico y nervioso.  OBJETIVO: Identificar la relación de las alteraciones neuropsicológicas con la exposición crónica a bajas concentraciones de CO, en trabajadores de autopistas de peaje.  MÉTODO: Estudio transversal en 72 trabajadores de autopistas de peaje de la carretera México-Puebla; 60 cajeros y 12 encargados de turno. Se exploraron variables socio-demográficas, clínicas y ocupacionales, y se determinó hemoglobina (Hb), hematocrito (Htc) y carboxihemoglobina (COHb) en sangre. Se aplicaron pruebas neuropsicológicas (Carbon monoxide neuropsychological screening battery CONSB). Los encargados de turno conformaron el grupo menos expuesto y los cajeros el de mayor exposición a CO.  RESULTADOS: En 49 trabajadores, Hb: 18.1±1.9 mg/dL y Htc: 55.3±8.7, sin diferencias significativas entre grupos (p = 0.82). Se observó menor desempeño en el grupo más expuesto, en el test de dígitos y símbolos (p = 0.012), senderos B (p = 0.002) y dígitos (p = 0.003). El test de construcción con bloques resultó limítrofe (p = 0.07).  DISCUSIÓN Y CONCLUSIÓN: El grupo de mayor exposición al CO tuvo menor desempeño en percepción visual, codificación, percepción visomotora y memoria inmediata. Por ello, consideramos importante realizar vigilancia epidemiológica en los trabajadores, para intervenir en los casos con alteraciones en las pruebas. Asimismo, se debe evitar la percepción de que la exposición crónica al CO en estos trabajadores es inocua.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ BACKGROUND: Workers of the automobile industry, service stations and those working in the streets, are in chronic contact to low concentrations of carbon monoxide and at risk to damage the cardiovascular, haematology and nervous systems.  OBJECTIVE: Identify erythrocytosis and neuropsychological alterations in highway workers chronically exposed to low concentrations of CO.  METHOD: Cross-sectional study that included 72 workers of the Mexico-Puebla Highway cabins (guards); 60 cashiers and 12 workers in charge of the shift, in which socio-demographic, clinical and occupational variables were explored; haemoglobin(Hb), hematocrit (Htc) and carboxyhemoglobin (COHb) was determined in their blood, and it was applied the Carbon monoxide neuropsychological screening battery (CONSB). The workers who are in charge of the full shift integrated the less exposed to CO group, while the cashiers would shape the greater exposure group.  RESULTS: In 49 workers, Hb: 18.1±1.9 mg/dL and Htc: 55.3±8.7 without significant differences between groups (p=0.82). The greater alteration was identified in the exposed group in the test of digit symbol (p= 0.012), trail-making part B (p= 0.002), and digit span (p=0.003); the test of blocks design resulted borderline (p=0.07).  DISCUSSION AND CONCLUSIÓN: The group with the highest exposure to CO had lower performance in visual perception, encoding, visual-motor perception and immediate memory. Therefore important to consider epidemiological surveillance workers to intervene in cases with abnormal tests. The perception of innocuousness of chronic exposure to CO in these workers must avoid.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Alteraciones neuropsicológicas]]></kwd>
<kwd lng="es"><![CDATA[carboxihemoglobina]]></kwd>
<kwd lng="es"><![CDATA[CONSB]]></kwd>
<kwd lng="es"><![CDATA[exposición crónica ocupacional]]></kwd>
<kwd lng="es"><![CDATA[monóxido de carbono]]></kwd>
<kwd lng="en"><![CDATA[Neuropsychological alterations]]></kwd>
<kwd lng="en"><![CDATA[carboxyhemoglobin]]></kwd>
<kwd lng="en"><![CDATA[CONSB]]></kwd>
<kwd lng="en"><![CDATA[chronic occupational exposure]]></kwd>
<kwd lng="en"><![CDATA[carbon monoxide]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[Antagonism of carbon monoxide-mediated brain lipid peroxidation by hyperbaric oxygen]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thom]]></surname>
<given-names><![CDATA[SR]]></given-names>
</name>
</person-group>
<source><![CDATA[Toxicol Appl Pharmacol]]></source>
<year>1990</year>
<volume>105</volume>
<page-range>340-4</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
