<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992018000400555</article-id>
<article-id pub-id-type="doi">10.20937/rica.2018.34.04.01</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[ESTUDIO EXPLORATORIO SOBRE LA ASOCIACIÓN DE METALES PESADOS Y LA NEFROPATÍA DE ETIOLOGÍA DESCONOCIDA EN EL PONIENTE DEL ESTADO DE MÉXICO]]></article-title>
<article-title xml:lang="en"><![CDATA[EXPLORATORY STUDY ON THE ASSOCIATION OF HEAVY METALS AND NEPHROPATHY OF UNKNOWN ETIOLOGY IN THE WESTERN STATE OF MEXICO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustamante-Montes]]></surname>
<given-names><![CDATA[Lilia Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Polanco]]></surname>
<given-names><![CDATA[Jocsan Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Isaac-Olivé]]></surname>
<given-names><![CDATA[Keila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Téllez]]></surname>
<given-names><![CDATA[Marivel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campuzano-González]]></surname>
<given-names><![CDATA[Martha Elva]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Durán]]></surname>
<given-names><![CDATA[Ninfa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Ingeniería Centro Interamericano de Recursos del Agua]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>34</volume>
<numero>4</numero>
<fpage>555</fpage>
<lpage>564</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992018000400555&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992018000400555&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992018000400555&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En el occidente del Estado de México, la mitad de los ingresos hospitalarios por insuficiencia renal crónica (IRC) no asociada a diabetes mellitus ni a hipertensión arterial corresponden a personas menores de 40 años. Por lo tanto, esta IRC se considera de causas desconocidas (IRCd). En este trabajo se estudió la asociación entre la presencia de metales y factores de riesgo para IRCd. Se realizó un estudio transversal analítico de 100 casos y 100 testigos. Se aplicó un cuestionario para conocer las adicciones y exposiciones (alimentarias, ocupacionales y medicamentosas) de los sujetos. En 50 casos y 50 testigos se determinó la concentración de los metales arsénico, cadmio, mercurio y plomo en muestras de cabello. Finalmente, se construyó un mapa con la posición de la vivienda de los 100 pacientes. Con base en una regresión logística bivariada se determinó que existe una asociación estadísticamente significativa entre la IRCd y el consumo de tabaco, exposición ocupacional a la construcción y herrería, y exposición a arsénico. Es necesaria una muestra mayor para comprobar la exposición ocupacional a la industria del papel, al consumo de paracetamol, naproxeno y cadmio. Los valores obtenidos en este trabajo para estas variables mencionadas son sólo informativos. Los casos estudiados se localizan en la cuenca del Rio Lerma, uno de los más contaminados del país. La IRCd presente en el Estado de México parece ser muy similar a la de Siri Lanka y la del Pacífico centroamericano, por lo que se requieren estudios a mayor escala.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In the western State of Mexico, half of the hospital admissions for chronic kidney diseases (CKD) not associated with diabetes mellitus or hypertension correspond to subjects less than 40 years of age. Therefore, this CKD is considered of unknown causes (CKDu). In this paper we studied whether there was an association between the presence of metals and risk factors with this CKDu. We performed a transversal analytical study of 100 cases and 100 controls. A questionnaire was applied to acknowledge exposition to alcohol, tobacco, drugs, nutrition, or occupational risks. Additionally, we determined in 50 samples and 50 controls the concentration of the metals arsenic, cadmium, mercury and lead. Finally, a map was constructed with the geographic references of housing from 100 patients. After performing a bivariate logistic regression, we determined that there is a statistically significant association between CKDu and smoking, occupational exposure to construction, blacksmithing, and exposure to arsenic. A larger sample is required to verify the risk of occupational exposure to the paper industry and the consumption of acetaminophen, naproxen, and cadmium. Values obtained in this work for these variables are only informative. The cases studied are in the Río Lerma basin, one of the most contaminated in the country. The CKDu present in the State of Mexico seems to be very similar to that of Siri Lanka and of the Central American Pacific; therefore, larger scale studies are required.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[insuficiencia renal crónica]]></kwd>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[exposición ocupacional]]></kwd>
<kwd lng="es"><![CDATA[nefropatía mesoamericana]]></kwd>
<kwd lng="en"><![CDATA[chronic kidney diseases]]></kwd>
<kwd lng="en"><![CDATA[heavy metals]]></kwd>
<kwd lng="en"><![CDATA[occupational exposition]]></kwd>
<kwd lng="en"><![CDATA[Mesoamerican nephropathy]]></kwd>
</kwd-group>
</article-meta>
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