<?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>0120-3347</journal-id>
<journal-title><![CDATA[Colombian Journal of Anestesiology]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. anestesiol.]]></abbrev-journal-title>
<issn>0120-3347</issn>
<publisher>
<publisher-name><![CDATA[SCARE-Sociedad Colombiana de Anestesiología y Reanimación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-33472019000200128</article-id>
<article-id pub-id-type="doi">10.1097/cj9.0000000000000096</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The ultrasound-guided erector spinae plane (ESP) block in chronic pain due to bone metastasis: case report]]></article-title>
<article-title xml:lang="es"><![CDATA[Bloqueo del musculo erector de la columna (ESP) en dolor crónico por metástasis ósea: reporte de caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pabón-Muñoz]]></surname>
<given-names><![CDATA[Favio Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luna-Montúfar]]></surname>
<given-names><![CDATA[Carlos Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paredes]]></surname>
<given-names><![CDATA[Martín Ramiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle Department of Anesthesiology ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>47</volume>
<numero>2</numero>
<fpage>128</fpage>
<lpage>131</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-33472019000200128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-33472019000200128&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-33472019000200128&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The article describes the use of the bilateral erector spinae plane block at the level of T7, as an alternative technique outside the operating room to do contrast magnetic resonance images in a patient with chronic metastatic pain in the dorsal region, with a pain score of 10 in the visual analogue scale. Ten minutes after the block, the pain dropped to 2/10 in the visual analogue scale, until it finally disappeared. Two weeks later, the pain came back with a visual analogue scale rating of 5/10-a considerably lower level as compared to the pain before the procedure.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se describe el uso del bloqueo en el plano del músculo erector de la espina (ESP) bilateral a nivel de T7 como una técnica alternativa en salas fuera de quirófano para realizar resonancia magnética nuclear con contraste en un paciente con dolor crónico de origen metastásico en región dorsal con 10 de intensidad en escala visual análoga. Posterior al bloqueo el dolor disminuye a los 10 minutos a 2/10 en escala visual análoga hasta desaparecer. Dos semanas después el dolor reapareció pero en una intensidad 5/10 en escala visual análoga, mucho menor a la encontrada antes de realizar el procedimiento.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Nerve Block]]></kwd>
<kwd lng="en"><![CDATA[Anesthesia]]></kwd>
<kwd lng="en"><![CDATA[Conduction]]></kwd>
<kwd lng="en"><![CDATA[Chronic Pain]]></kwd>
<kwd lng="en"><![CDATA[Anesthetics]]></kwd>
<kwd lng="en"><![CDATA[Neoplasm Metastasis]]></kwd>
<kwd lng="es"><![CDATA[Bloqueo Nervioso]]></kwd>
<kwd lng="es"><![CDATA[Anestesia de Conducción]]></kwd>
<kwd lng="es"><![CDATA[Dolor Crónico]]></kwd>
<kwd lng="es"><![CDATA[Anestésicos]]></kwd>
<kwd lng="es"><![CDATA[Metástasis de la neoplasia]]></kwd>
</kwd-group>
</article-meta>
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