<?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>1134-8046</journal-id>
<journal-title><![CDATA[Revista de la Sociedad Española del Dolor]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Soc. Esp. Dolor]]></abbrev-journal-title>
<issn>1134-8046</issn>
<publisher>
<publisher-name><![CDATA[Inspira Network Group, S.L ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1134-80462021000700325</article-id>
<article-id pub-id-type="doi">10.20986/resed.2022.3947/2021</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Las inyecciones epidurales lumbares de esteroides reducen el catastrofismo en el síndrome radicular lumbosacro]]></article-title>
<article-title xml:lang="en"><![CDATA[Lumbar epidural steroids injections reduce catastrophism on the lumbosacral radicular syndrome]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varaldi Azcoytia]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayala Pastorino]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castromán Espasandín]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Hospital de Clínicas. Facultad de Medicina Dpto. y Cátedra de Anestesiología]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>28</volume>
<numero>6</numero>
<fpage>325</fpage>
<lpage>331</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1134-80462021000700325&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1134-80462021000700325&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1134-80462021000700325&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo:  Estudiar la influencia del catastrofismo sobre el dolor lumbar crónico radicular y evaluar sus cambios a la inyección epidural de esteroides. Además, estudiar la relación entre catastrofismo y la respuesta al tratamiento.  Material y métodos:  Se realizó un estudio prospectivo sobre 52 pacientes con lumbociatálgia crónica unilateral, a los que se le realizó una inyección epidural lumbar de esteroides. En 39 de ellos se valoró en condiciones basales y al mes del procedimiento, el dolor y el catastrofismo mediante el Inventario Abreviado de Dolor y la Escala de Catastrofismo. Se definó como "respon­dedores" a los pacientes con disminución de 2 puntos o más en la intensidad del dolor. Para el catastrofismo se consideró un score de 30 como severo. Un valor de p &lt; 0,05 se consideró de significancia estadística.  Resultados:  El catastrofismo total fue mayor en mujeres que en hombres. Se encontró una correlación lineal positiva moderada entre catastrofismo, intensidad del dolor e índice de interferencia, estadísticamente significativa. En los 39 pacientes tratados, se encontró una disminución estadísticamente significativa de la intensidad, interferencia funcional del dolor y catastrofismo total. Dieciseis pacientes se considera­ron respondedores. En estos, el índice de intensidad disminuyó de 7,8 ± 0,8 a 3,9 ± 3,1 (50 % de porcentaje de cambio, p = 0,0001); la interferencia funcional del dolor evaluada por el índice de interferencia disminuyó de 8,2 ± 1,6 a 5,0 ± 3,8 (40 % de cambio, p = 0,0027) y el catastrofismo total disminuyó de 37 ± 13 a 17,5 ± 16 (57 % de cambio, p &lt; 0,0001). El catastrofismo total previo no mostró diferencias entre los pacientes respondedores y no respondedores a las inyecciones epidurales de esteroides.  Conclusiones:  La inyección epidural de esteroides en pacientes con dolor lumbar radicular crónico resultó efectiva para disminuir el dolor y sus repercusiones funcionales. Se produjo un descenso del catastrofismo, que mostró ser un constructo dinámico capaz de ser modificado por el tratamiento intervencionista. El catastrofismo total evaluado previamente a las inyecciones epidurales no afectó la respuesta de los pacientes a dicho tratamiento intervencionista.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objetive:  The aim of this study was to investigate the relationship existent between pain catastrophism and pain intensity and pain interference, in patients with lumbosacral radicular pain. The effect on catastrophism of epidural steroid injections was also asessed.  Material an methods:  A prospective study was conducted on 52 patients with unilateral lumbosacral radi­cular pain. In 39 of them, the Brief Pain Inventory and the Catastrophism Scale was applied before and one month afer a epidural steroid injection. Responderes to treatment ere defined with a decrease of 2 points or more in pain intensity. For catastrophism, a score of 30 was considered severe. A value of p &lt; 0.05 was taken as statistical significance.  Results:  Catastrophism was significantly higher in women. Moderate and statistically significant positive linear correlations between pain intensity, pain interference and catastrophism were found. In treated patients, a significant decrease in pain intensity, pain interference and catastrophism were observed. Sixteen patients were considered treatment responders. In them, pain intensity and catastrophism had a clinical and statistically significant reduction. Score of Intensity was reduced from 7.8 ± 0.8 to 3.9 ± 3.1 (50 % of change percentage, p = 0.0001), functional interfe­rence of pain evaluated by Score of Interference from 8.2 ± 1.6 to 5.0 ± 3.8 (40 % of change percentage, p = 0.0027) and Total Catastrophism from 37 ± 13 to 17.5 ± 16 (57 % of change percentage, p &lt; 0.0001). No difference were found in Total Catastrophism evaluated before the proceduresl between responders and no responders to epidural steroid injections.  Conclusions:  Epidural steroid injections was effective in reducing pain in 41 % of controlled patients. The decrease in pain was accompanied by a reduction in Total Catastrophism, which showed to be a dynamic cons­truct, capable of being modified by interventional pain treatments. Previous catastrophism was found to not be related to response to treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Esteroides epidurales]]></kwd>
<kwd lng="es"><![CDATA[dolor radicular lumbosacro]]></kwd>
<kwd lng="es"><![CDATA[escala de catastrofismo al dolor]]></kwd>
<kwd lng="en"><![CDATA[Epidural steroids]]></kwd>
<kwd lng="en"><![CDATA[lumbosacral radicular pain]]></kwd>
<kwd lng="en"><![CDATA[pain catastrophizing scale]]></kwd>
</kwd-group>
</article-meta>
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