<?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>S0188-49992018000400583</article-id>
<article-id pub-id-type="doi">10.20937/rica.2018.34.04.03</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[ASSOCIATION BETWEEN PERSONAL PM10 EXPOSURE AND PULMONARY FUNCTION IN HEALTHY VOLUNTEERS FROM A SEMI-ARID CITY ON THE US-MEXICAN BORDER]]></article-title>
<article-title xml:lang="es"><![CDATA[ASOCIACIÓN ENTRE LA EXPOSICIÓN PERSONAL A PM10 Y LA FUNCIÓN PULMONAR EN VOLUNTARIOS SANOS DE UNA CIUDAD SEMIÁRIDA EN LA FRONTERA DE ESTADOS UNIDOS Y MÉXICO]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyna]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mérida]]></surname>
<given-names><![CDATA[J.V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osornio-Vargas]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lerma]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bravo-Zanoguera]]></surname>
<given-names><![CDATA[M.E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avitia]]></surname>
<given-names><![CDATA[R.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieblas]]></surname>
<given-names><![CDATA[E.C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Baja California Cuerpo Académico de Bioingeniería y Salud Ambiental ]]></institution>
<addr-line><![CDATA[Mexicali Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Baja California Ciencias de la Salud, Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Mexicali Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Alberta Children&#8217;s Environmental Health ]]></institution>
<addr-line><![CDATA[Alberta ]]></addr-line>
<country>Canada</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Nacional de Cardiología Ignacio Chávez Departamento de Instrumentación Electromecánica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</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>583</fpage>
<lpage>595</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992018000400583&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992018000400583&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992018000400583&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Most studies about associations between exposures to PM10 and decreased pulmonary function do not consider people in good respiratory health and immediate (hours) effects of personal PM10 exposures. This study evaluated associations between personal PM10 exposures and pulmonary function (i.e., forced expiratory volume in one second or FEV1, forced vital capacity or FVC, and FEV1/FVC) in 97 healthy adult residents of Mexicali, Baja California, Mexico. Subjects used a personal environmental monitor that sampled PM10 every 5 min during the 24 h of their daily activities. Associations of personal-PM10 and pulmonary function were analyzed using multiple linear and linear-log regressions, with correction of serial autocorrelation, controlling for temperature, relative humidity, age, height, weight, body mass index, gender, and time. The largest statistically significant association was found between PM10 and FEV1, adjusting for age, height, and gender. FEV1 decreased -56.0 mL (95 % CI: -107.0, -5.0 mL) per each increment of 10 µg/m3 of PM10 in air or -50.0 mL (95 % CI: -92.0 mL, -9.0 mL) per each 20 % increase in personal-PM10-concentration, when using linear or linear-log regression, respectively. No significant associations were found for FVC or FEV1/FVC ratio. The study showed that personal PM10 exposure in healthy adult volunteers from Mexicali was associated with small but significant decreases of FEV1; more significant when assessing the PM10 levels recorded sixteen hours before.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La mayoría de los estudios sobre asociaciones entre exposición a PM10 y función pulmonar disminuida no consideran a personas con buena salud respiratoria y los efectos inmediatos (en horas) de las exposiciones personales a PM10. Este estudio evaluó las asociaciones entre las exposiciones personales a PM10 y la función pulmonar (i.e., volumen espiratorio forzado en un segundo o VEF1, capacidad vital forzada o CVF y VEF1/CVF) en 97 adultos sanos residentes en Mexicali. Los sujetos usaron un monitor ambiental personal que tomó muestras de PM10 cada 5 min durante 24 h mientras realizaban sus actividades diarias. La asociación de la exposición a PM10 y la función pulmonar se analizó con regresión lineal múltiple y regresión lineal-log múltiple, con corrección de la autocorrelación en serie, controlando para temperatura, humedad relativa, edad, estatura, peso, índice de masa corporal, sexo y tiempo. La mayor asociación estadísticamente significativa se encontró entre el PM10 y el VEF1, ajustando para edad, estatura y sexo. El VEF1 disminuyó -56.0 mL (IC95 %: -107.0, -5.0 mL) por cada incremento de 10 µg/m3 de PM10 en aire o -50.0 mL (IC95 %: -92.0 mL, -9.0 mL) por cada 20 % de aumento en la concentración personal de PM10, al usar regresión lineal y lineal-log, respectivamente. No hubo asociaciones significativas para CVF o VEF1/CVF. El estudio demostró que la exposición personal a PM10 en adultos sanos de Mexicali se asoció con una disminución modesta pero significativa de VEF1; la disminución más significativa ocurrió al evaluar los niveles de PM10 registrados en las 16 h previas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[PM10]]></kwd>
<kwd lng="en"><![CDATA[personal exposure]]></kwd>
<kwd lng="en"><![CDATA[pulmonary function]]></kwd>
<kwd lng="en"><![CDATA[healthy adults]]></kwd>
<kwd lng="en"><![CDATA[Mexicali]]></kwd>
<kwd lng="es"><![CDATA[PM10]]></kwd>
<kwd lng="es"><![CDATA[exposición personal]]></kwd>
<kwd lng="es"><![CDATA[función pulmonar]]></kwd>
<kwd lng="es"><![CDATA[adultos sanos]]></kwd>
<kwd lng="es"><![CDATA[Mexicali]]></kwd>
</kwd-group>
</article-meta>
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