<?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>0120-0011</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina]]></journal-title>
<abbrev-journal-title><![CDATA[rev.fac.med.]]></abbrev-journal-title>
<issn>0120-0011</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-00112019000400581</article-id>
<article-id pub-id-type="doi">10.15446/revfacmed.v67n4.72201</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Prevalence of pneumoconiosis and spirometric findings in underground mining workers in Cundinamarca, Colombia]]></article-title>
<article-title xml:lang="pt"><![CDATA[Prevalencia de neumoconiosis y hallazgos espirométricos en trabajadores de minería subterránea en Cundinamarca, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varona]]></surname>
<given-names><![CDATA[Marcela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ibáñez-Pinilla]]></surname>
<given-names><![CDATA[Milciades]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briceño]]></surname>
<given-names><![CDATA[Leonardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Rosario  ]]></institution>
<addr-line><![CDATA[Bogotá D.C ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>67</volume>
<numero>4</numero>
<fpage>581</fpage>
<lpage>586</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-00112019000400581&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-00112019000400581&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-00112019000400581&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Coal worker's pneumoconiosis is caused by the inhalation of coal dust and its accumulation in the lungs after several years of exposure.  Objective: To determine the prevalence of pneumoconiosis in underground mining workers exposed to coal dust in Cundinamarca, Colombia, and its association with their spirometry results and respiratory symptoms.  Materials and methods: Cross-sectional study conducted on 215 workers who were administered a questionnaire on respiratory symptoms. For each worker a chest radiograph was taken according to the criteria of the International Labor Organization. Information on the workers' socio-demographic characteristics, smoking habits, and spirometry results was included.  Results: The average age was 45.5 ± 9.4 years and the average length of employment was 21.7±10.0 years. Expectoration was the symptom most frequently reported (73.5%). Regarding spirometry results, a normal pattern was observed in 89.8% of the sample, while obstructive and restrictive patterns were found in 5.1% and 3.7% of the subjects, and 0.5% had a peripheral airways dysfunction pattern. The prevalence of pneumoconiosis was 42.33%. FEV1/FVC ratio (81.75 vs. 83.74, p=0.045) and FF25-75% (84.96 vs. 91.95, p&lt;0.001) mean values were significantly lower in workers with pneumoconiosis.  Conclusion: Pneumoconiosis was highly prevalent in the study population and its diagnosis was associated with spirometry results (FEV1/FVC and FEF25.75%); bearing in mind that currently there are not effective treatments for this disease, it is necessary to implement control and prevention strategies aimed at reducing occupational exposure to coal dust and, this way, prevent its occurrence.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. La neumoconiosis de los mineros de carbón resulta de la inhalación de polvo del carbón y se desarrolla después de varios años de exposición.  Objetivo. Determinar la prevalencia de neumoconiosis y su relación con los resultados de espirometría y los síntomas respiratorios en trabajadores expuestos a polvo de carbón en Cundinamarca, Colombia.  Materiales y métodos. Estudio de corte transversal realizado en 215 trabajadores a quienes se les aplicó un cuestionario sobre síntomas respiratorios y se les realizó radiografía de tórax según los criterios de la Organización Internacional del Trabajo. Se incluyó la información relativa a sus características sociodemográficas, hábitos de tabaquismo y resultados de espirometría.  Resultados. El promedio de edad fue 45.5±9.4 años y el de experiencia laboral fue de 21.7±10.0 años. El síntoma más frecuente fue la expectoración (73.5%). En la espirometría, se observó patrón normal en el 89.8% de la población, obstructivo en el 5.1%, restrictivo en el 3.7% y de alteración de vías aéreas periféricas en el 0.5%. La prevalencia de neumoconiosis fue de 42.3%. Los valores promedio de FEV1/CVF (81.75 vs. 83.74, p=0.045) y FF25-75% (84.96 vs. 91.95, p&lt;0.001) fueron menores significativamente en los mineros con neumoconiosis.  Conclusión. La prevalencia de neumoconiosis fue muy alta en la población estudiada y su ocurrencia estuvo asociada a los resultados de la espirometría (FEV1/CFV y FEF25-75%); teniendo en cuenta que no hay tratamientos eficaces para esta enfermedad, es necesario implementar estrategias de control y prevención diseñadas para reducir la exposición laboral al polvo de carbón y, de esta forma, prevenir su aparición.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Occupational Exposure]]></kwd>
<kwd lng="en"><![CDATA[Pneumoconiosis]]></kwd>
<kwd lng="en"><![CDATA[Spirometry]]></kwd>
<kwd lng="en"><![CDATA[Coal Mining (MeSH)]]></kwd>
<kwd lng="es"><![CDATA[Exposición profesional]]></kwd>
<kwd lng="es"><![CDATA[Neumoconiosis]]></kwd>
<kwd lng="es"><![CDATA[Espirometría]]></kwd>
<kwd lng="es"><![CDATA[Minas de carbón (DeCS)]]></kwd>
</kwd-group>
</article-meta>
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