<?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>2664-2891</journal-id>
<journal-title><![CDATA[Revista científica ciencias de la salud]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. cient. cienc. salud]]></abbrev-journal-title>
<issn>2664-2891</issn>
<publisher>
<publisher-name><![CDATA[Universidad del Pacífico]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2664-28912023000100033</article-id>
<article-id pub-id-type="doi">10.53732/rccsalud/2023.e5204</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Neumonitis por hipersensibilidad fibrótica: reporte de casos y propuesta de fuentes de exposición en nuestro medio]]></article-title>
<article-title xml:lang="en"><![CDATA[Fibrotic hypersensitivity pneumonitis: case report and proposal of sources of exposure in our environment]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Bejarano]]></surname>
<given-names><![CDATA[Domingo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ministerio de Salud Pública y Bienestar Social Hospital General de Luque Servicio de Medicina Interna- Neumología]]></institution>
<addr-line><![CDATA[Luque ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>5</volume>
<fpage>33</fpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2664-28912023000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2664-28912023000100033&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2664-28912023000100033&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Una excesiva respuesta inmune a antígenos inhalados en algunos individuos susceptibles puede causar neumonitis por hipersensibilidad, considerada una entidad prevalente entre las enfermedades pulmonares intersticiales difusas. Recientemente, se ha propuesto un cambio radical en la clasificación de esta infravalorada entidad. En este reporte describimos las características clínicas y radiológicas de tres casos de neumonitis por hipersensibilidad fibrótica: pulmón de cuidador de aves, pulmón de almohada de plumas y alveolitis química. Se muestra una tabla con las probables ocupaciones o exposiciones de riesgo en nuestro medio y se realiza una revisión actualizada del tema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT An excessive immune response to inhaled antigens in some susceptible individuals can cause hypersensitivity pneumonitis, considered a prevalent entity among diffuse interstitial lung diseases. A radical change in the classification of this undervalued entity has recently been proposed. In this report we describe the clinical and radiological characteristics of three cases of fibrotic hypersensitivity pneumonitis: bird keeper's lung, feather pillow lung, and chemical alveolitis. A table is shown with the probable occupations or risk exposures in our environment and an updated review of the subject is carried out.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[neumonía]]></kwd>
<kwd lng="es"><![CDATA[enfermedades pulmonares intersticiales]]></kwd>
<kwd lng="es"><![CDATA[alveolitis alérgica extrínseca]]></kwd>
<kwd lng="en"><![CDATA[pneumonia]]></kwd>
<kwd lng="en"><![CDATA[interstitial lung diseases]]></kwd>
<kwd lng="en"><![CDATA[extrinsic allergic alveolitis]]></kwd>
</kwd-group>
</article-meta>
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