<?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>S0120-33472018000500066</article-id>
<article-id pub-id-type="doi">10.1097/cj9.0000000000000048</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Erector spinae plane (ESP) block for postoperative analgesia in total radical mastectomy: case report]]></article-title>
<article-title xml:lang="es"><![CDATA[Bloqueo del elevador de la espina (ESP) para analgesia posoperatoria en mastectomía radical total: reporte de caso]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orozco]]></surname>
<given-names><![CDATA[Elba]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serrano]]></surname>
<given-names><![CDATA[Rafael Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rueda-Rojas]]></surname>
<given-names><![CDATA[Viviana Pahola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Industrial de Santander Anaesthesia and Resuscitation Graduate Program ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Industrial de Santander  ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>46</volume>
<fpage>66</fpage>
<lpage>68</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-33472018000500066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-33472018000500066&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-33472018000500066&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Case report: A 50-year-old female patient with an 8-year history of amass in the right breast which has undergone rapid progressive growth, involving the entire breast, over the past 7 months, diagnosed as a phyllodes tumor. Simple right mastectomy with axillary lymph node dissection and pectoralis major fascia resection were performed under general anesthesia. Ultrasound-guided erector spinae plane block was performed for postoperative analgesia, with excellent response up to 18hours following the procedure, and no need for additional opioids. There were no adverse effects or complications associated with the block.  Conclusions: Ultrasound-guided erector spinae block is a fast and safe procedure that may be used as a valuable adjunct to ensure postoperative analgesia in radical mastectomy cases, which pose a challenge in terms of pain control. Moreover, it offers an advantage in terms of reduced opioid requirement in these patients.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Caso clínico: Se presenta el caso de una paciente de 50 años con cuadro clínico de 8 años de evolución de masa en mama derecha la cual en los últimos 7 meses muestra un crecimiento rápido y progresivo que ocupa toda la mama, hacen diagnóstico de tumor phylloides. Realizan mastectomía derecha simple más vaciamiento ganglionar axilary resección de fascia pectoral mayor bajo anestesia general. Se efectúa bloqueo del elevador de la espina guiado por ultrasonido con fines analgésicos en el posoperatorio, obteniéndose una excelente respuesta hasta 18 horas posterior al procedimiento, sin necesidad de consumo de opioides, no se registraron efectos adversos o complicaciones relacionadas con el bloqueo.  Conclusiones: El bloqueo del elevador de la espina ecoguiado es un procedimiento rápido y seguro que puede ser una herramienta valiosa para asegurar la analgesia posoperatoria en mastectomías radicales que generan un desafío en control del dolor, además de la ventaja de disminución de consumo de opioides en estas pacientes.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Pain]]></kwd>
<kwd lng="en"><![CDATA[Postoperative]]></kwd>
<kwd lng="en"><![CDATA[Analgesia]]></kwd>
<kwd lng="en"><![CDATA[Mastectomy]]></kwd>
<kwd lng="en"><![CDATA[Case Reports]]></kwd>
<kwd lng="en"><![CDATA[Nerve Block]]></kwd>
<kwd lng="es"><![CDATA[Dolor Posopera-torio]]></kwd>
<kwd lng="es"><![CDATA[Analgesia]]></kwd>
<kwd lng="es"><![CDATA[Mastectomia]]></kwd>
<kwd lng="es"><![CDATA[Informes de Casos]]></kwd>
<kwd lng="es"><![CDATA[Bloqueo Nervioso]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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