<?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>0121-8123</journal-id>
<journal-title><![CDATA[Revista Colombiana de Reumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Reumatol.]]></abbrev-journal-title>
<issn>0121-8123</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Reumatología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-81232020000400303</article-id>
<article-id pub-id-type="doi">10.1016/j.rcreu.2020.02.002</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Ergotism, a relatively unknown mimic of vasculitis: A case report and review of literature]]></article-title>
<article-title xml:lang="es"><![CDATA[Ergotismo: un imitador poco conocido de vasculitis. Reporte de caso y revisión de la literatura]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[Fabio Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Luis Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vásquez]]></surname>
<given-names><![CDATA[Gloria María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calle]]></surname>
<given-names><![CDATA[Yamile]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León]]></surname>
<given-names><![CDATA[Lina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaramillo]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquía  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad CES  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogota ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de Antioquía Departament of Rheumatology ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Hospital Universitario San Vicente de Paúl  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>27</volume>
<numero>4</numero>
<fpage>303</fpage>
<lpage>307</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-81232020000400303&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-81232020000400303&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-81232020000400303&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Ergotism is a vasospasm that affects visceral and peripheral muscle arteries. Classically, symmetrical involvement of lower limb arteries is described, and is often associated with a history of chronic consumption of ergotamine derived medications (Cafergot). Case report: A 22 year-old healthy man with infectious mononucleosis syndrome, who presented with a sudden onset of paraesthesias in the lower limbs, as well as livedo reticularis. The initial diagnosis was a medium-sized vessel vasculitis (polyarteritis nodosa). The symptoms were preceded by the administration of Cafergot for headache treatment, and resolved spontaneously. The magnetic resonance angiography (MRA) of the lower limbs showed occlusion of peroneal arteries, with filiform distal flow. Other infectious, autoimmune and cardiovascular origins were ruled out.  Discussion:  Ergotism is an important differential diagnosis in the study of the patient with vasculitis, especially in acute onset presentations. Its treatment is the suspension of the causal drug, with vasodilator and surgical vascular procedures, if necessary.  Conclusions:  Ergotism is an imitator of vasculitis, especially in young patients with a history of difficult to control migraine. The concomitant administration of CYP3A4 inhibitors (mainly, protease inhibitors and macrolides) enhances the toxic effects of ergot.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El ergotismo es un vasoespasmo que afecta las arterias musculares periféricas y viscerales. Clásicamente se describe la afectación simétrica de las arterias de las extremidades inferiores, a menudo asociada con el consumo crónico de medicamentos derivados de ergotamina (Cafergot®).   Caso clínico: Varón sano de 22 anos con síndrome de mononucleosis, presentó parestesias en las extremidades inferiores y livedo reticularis de forma súbita, el diagnóstico inicial fue una vasculitis de mediano vaso (poliarteritis nodosa). Los síntomas fueron precedidos por la administración de Cafergot® para el tratamiento de cefalea, y se resolvieron espontáneamente. La angiografía por resonancia magnética (ARM) de las extremidades inferiores mostró oclusión de las arterias peroneas, con flujo distal filiforme. Se descartaron otras etiologías infecciosas, autoinmunes y cardiovasculares.  Discusión:  Los ergotismos son un diagnóstico diferencial importante en el estudio del paciente con vasculitis, especialmente en presentaciones de inicio agudo. Su tratamiento es la suspensión del fármaco causal, vasodilatadores y procedimientos vasculares quirúrgicos, si es necesario.  Conclusiones:  El ergotismo es un imitador de vasculitis, especialmente en pacientes jóvenes con antecedentes de migrana de difícil control. La administración concomitante de inhibidores del CYP3A4 (principalmente, inhibidores de proteasa y macrólidos) potencia los efectos tóxicos del ergot.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Ergotism]]></kwd>
<kwd lng="en"><![CDATA[Vasculitis]]></kwd>
<kwd lng="en"><![CDATA[Vasospasm]]></kwd>
<kwd lng="en"><![CDATA[Polyarteritis nodosa]]></kwd>
<kwd lng="en"><![CDATA[Vasodilators]]></kwd>
<kwd lng="es"><![CDATA[Ergotismo]]></kwd>
<kwd lng="es"><![CDATA[Vasculitis]]></kwd>
<kwd lng="es"><![CDATA[Vasoespasmo]]></kwd>
<kwd lng="es"><![CDATA[Poliarteritis nodosa]]></kwd>
<kwd lng="es"><![CDATA[Vasodilatadores]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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