<?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>S0120-33472018000500008</article-id>
<article-id pub-id-type="doi">10.1097/cj9.0000000000000039</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Efficacy of different multimodal analgesia techniques to prevent moderate to severe pain in primary total knee arthroplasty]]></article-title>
<article-title xml:lang="es"><![CDATA[Eficacia de diferentes técnicas de analgesia multimodal para la prevención de dolor moderado a severo en reemplazo total primario de rodilla]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dorado-Velasco]]></surname>
<given-names><![CDATA[Fabián Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Satizábal-Padridín]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fundación Valle del Lili Acute Pain Clinic ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Fundación Valle del Lili Anesthesiology Service ]]></institution>
<addr-line><![CDATA[Cali ]]></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>8</fpage>
<lpage>16</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-33472018000500008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-33472018000500008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-33472018000500008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Osteoarthritis is one of the most prevalent diseases and the knee is the most affected joint in women over 70 years old. Primary total knee replacement is a definitive and cost effective treatment. The age group, the comorbidities, and the high incidence of postoperative moderate to severe pain are challen ging for anesthesia management.  Objectives: To describe the efficacy of different multimodal analgesia techniques used in primary total knee replacement in terms of moderate to severe pain, during the first 48 postoperative hours.  Materials and methods: Observational trial analyzing the medical records of 79 patients, focusing on the clinical, anesthetic, and analgesic characteristics over 10 months. The primary outcome was the incidence of moderate to severe immediate postoperative pain, after 24 and 48hours; the secondary outcome was compliance with the rehabilitation goals.  Results: Regional anesthesia was used in 89% of the patients. Using the femoral perineural catheter in addition to single-dose sciatic nerve block (47%), the incidence of immediate moderate to severe postoperative pain and after 24 and 48hours was 5%, 16%, and 14%, respectively, while with single-dose regional anesthesia, the incidence was 43%, 34%, and 36%, respectively. The level of compliance with the rehabilitation goals was similar among the various analgesic techniques.  Conclusions: Regional anesthesia was used in most cases, although in a heterogeneous manner. The femoral perineural catheter is associated with a lower incidence of postoperative moderate to severe pain, and the results are consistent with the literature reviewed.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La osteoartritis es una de las enfermedades más prevalentes, siendo la rodilla la articulación más afectada en mujeres mayores de 70 años. El reemplazo total primario de rodilla es un tratamiento definitivo y costoeficiente. El grupo etario, las comorbilidades, y la alta incidencia de dolor post operatorio moderado a severo, hacen del manejo anestésico y analgésico un reto.  Objetivos: Describir la eficacia de las diferentes técnicas de analgesia multimodal usadas en el reemplazo total primario de rodilla en términos de dolor moderado a severo durante las primeras 48 horas postoperatorias.  Materiales y métodos: Estudio observacional donde se analizaron los registros médicos de 79 pacientes sobre características clínicas, anestésicas y analgésicas durante 10 meses. Se calculó como resultado primario la incidencia de dolor post operatorio moderado a severo inmediato, a las 24 y 48 horas y, como resultado secundario, el cumplimiento de metas de rehabilitación.  Resultados: En el 89% se usó anestesia regional. Con el catéter perineural femoral más bloqueo de nervio ciático en dosis única (47%), la incidencia de dolor moderado a severo postoperatorio inmediato, a las 24 y 48 horas fue 5,16 y 14% respectivamente. Con anestesia regional dosis única fue 43, 34 y 36% en su orden. El cumplimiento de los objetivos de rehabilitación fue similar para las diferentes técnicas analgésicas.  Conclusiones: La anestesia regional fue usada en la mayoría, aunque de forma heterogénea. El catéter perineural femoral se asocia a menor incidencia de dolor moderado a severo postoperatorio, resultados acordes a lo mencionado en la literatura revisada.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Arthroplasty Repla cement Knee]]></kwd>
<kwd lng="en"><![CDATA[Analgesia]]></kwd>
<kwd lng="en"><![CDATA[Pain Postoperative]]></kwd>
<kwd lng="en"><![CDATA[Exercise Therapy]]></kwd>
<kwd lng="en"><![CDATA[Nerve Block]]></kwd>
<kwd lng="es"><![CDATA[Artroplastia de Reemplazo de Rodilla]]></kwd>
<kwd lng="es"><![CDATA[Analge sia]]></kwd>
<kwd lng="es"><![CDATA[Dolor Posoperatorio]]></kwd>
<kwd lng="es"><![CDATA[Terapia por Ejercicio]]></kwd>
<kwd lng="es"><![CDATA[Bloqueo Nervioso]]></kwd>
</kwd-group>
</article-meta>
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