<?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>2448-8771</journal-id>
<journal-title><![CDATA[Anestesia en México]]></journal-title>
<abbrev-journal-title><![CDATA[Anest. Méx.]]></abbrev-journal-title>
<issn>2448-8771</issn>
<publisher>
<publisher-name><![CDATA[Federación Mexicana de Colegios de Anestesiología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-87712018000200020</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ropivacaína con Clonidina contra vs Ropivacaína para analgesia postoperatoria en cirugía de cadera de adultos mayores]]></article-title>
<article-title xml:lang="en"><![CDATA[Ropivacaine with Clonidine vs Ropivacaine for postoperative analgesia in hip surgery in older adults]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mascareño-Hernandez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Labra-Rubio]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sáenz-Sánchez]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico del Bajío Hospital UMAE No.1]]></institution>
<addr-line><![CDATA[León Gto]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico del Bajío Hospital UMAE No.1]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<volume>30</volume>
<numero>2</numero>
<fpage>20</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-87712018000200020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-87712018000200020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-87712018000200020&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La analgesia posoperatoria reduce la morbilidad, siendo vital un adecuado manejo anestésico que incluya adyuvantes espinales que mejoren la calidad de la anestesia y analgesia posoperatoria.  Objetivo:  Estimar la analgesia posoperatoria en cirugía de cadera con ropivacaína más clonidina contra ropivacaína por vía subaracnoidea en adultos mayores.  Material y método: Estudio clínico prospectivo controlado y aleatorizado, se estudiaron 88 pacientes divididos en dos grupos de 44 pacientes cada uno, manejados con anestesia subaracnoidea. El primer grupo recibió ropivacaína al 0.75%, 15 mg como único medicamento por vía subaracnoidea; el segundo grupo recibió ropivacaína 0.75%, 15 mg más 15 &#956;g de clonidina por la misma vía. Se calificó intensidad de dolor posoperatorio en una escala numérica. Se utilizó tramadol o buprenorfina como medicamento de rescate.  Resultados: El grupo ropivacaína más clonidina, disminuyo el consumo de analgésicos de rescate postquirúrgicos. La instalación del bloqueo motor y sensitivo fue más rápido en el grupo ropivacaína más clonidina. La duración de la analgesia, para el grupo ropivacaína más clonidina fue de 9.36 horas, y para el grupo de ropivacaína fue de 8.50, hasta antes de requerir analgésicos de rescate. La intensidad del dolor en el grupo ropivacaína con clonidina presentó menor grado de dolor, que en promedio fue de 1.28 ± 0.81. (IC 95%, 1.11 1.45), vs 1.87 ± 1.1, (IC 95%, 1.63 - 2.10). (P=0.049), para el grupo ropivacaína.  Conclusiones: Ambos medicamentos son efectivos para tratar el dolor postquirúrgico, en cirugía de cadera en pacientes de la tercera edad. Existe una ligera mejoría con ropivacaína más clonidina probablemente derivado de la dosis y de la ropivacaína que es un anestésico local de larga duración.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Postoperative analgesia reduces morbidity, appropriate anesthetic management including spinal adjuvants that enhance the quality of anesthesia and postoperative analgesia is vital.  Objective:  Estimate the postoperative analgesia with ropivacaine hip surgery plus clonidine against ropivacaine via subarachnoid in older adults.  Materials and methods:  Prospective, controlled and randomized clinical study, 88 patients divided into two groups of 44 patients each, under subarachnoid anesthesia were studied. The first group received 0.75% ropivacaine, 15 mg as the only medication by the subarachnoid route; the second group received 0.75% ropivacaine, 15 mg plus 15 &#956;g of clonidine in the same way. Post-operative pain intensity was scored on a numerical scale. Tramadol or buprenorphine was used as a rescue medication.  Results:  The ropivacaine plus clonidine group, decreased the consumption of postoperative rescue analgesics. The installation of motor and sensory block was faster in the ropivacaine plus clonidine group. The duration of analgesia for the ropivacaine plus clonidine group was 9.36 hours, and for the ropivacaine group it was 8.50, even before requiring rescue analgesics. The intensity of pain in the ropivacaine group with clonidine presented a lower degree of pain, which on average was 1.28 ± 0.81. (95% CI, 1.11 1.45), vs. 1.87 ± 1.1, (95% CI, 1.63 2.10). (P = 0.049), for the ropivacaine group.  Conclusions:  Both drugs are effective for treating postoperative pain in surgery of the hip in elderly patients. There is a slight improvement with ropivacaine more clonidine, probably derived dose and ropivacaine which is a longlasting local anesthetic.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Analgesia posoperatoria]]></kwd>
<kwd lng="es"><![CDATA[ropivacaína]]></kwd>
<kwd lng="es"><![CDATA[clonidina]]></kwd>
<kwd lng="es"><![CDATA[adultos mayores]]></kwd>
<kwd lng="es"><![CDATA[cirugía de cadera]]></kwd>
<kwd lng="en"><![CDATA[Postoperative analgesia]]></kwd>
<kwd lng="en"><![CDATA[ropivacaine]]></kwd>
<kwd lng="en"><![CDATA[clonidine]]></kwd>
<kwd lng="en"><![CDATA[older adults]]></kwd>
<kwd lng="en"><![CDATA[hip surgery]]></kwd>
</kwd-group>
</article-meta>
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