<?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>2565-005X</journal-id>
<journal-title><![CDATA[Gaceta mexicana de oncología]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. mex. oncol.]]></abbrev-journal-title>
<issn>2565-005X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oncología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2565-005X2019000300131</article-id>
<article-id pub-id-type="doi">10.24875/j.gamo.19000244</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación de la calidad del sueño en pacientes con dolor de origen oncológico]]></article-title>
<article-title xml:lang="en"><![CDATA[Quality of sleep assessment in patients with cancer pain]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Covarrubias-Gómez]]></surname>
<given-names><![CDATA[Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Landa-Juárez]]></surname>
<given-names><![CDATA[Arizai Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán Departamento de Medicina del Dolor y Paliativa ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Algía® para la Educación en Salud Departamento de Educación e Investigación ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>18</volume>
<numero>3</numero>
<fpage>131</fpage>
<lpage>140</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2565-005X2019000300131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2565-005X2019000300131&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2565-005X2019000300131&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El cáncer es la tercera causa de muerte en México. Estos enfermos refieren frecuentemente dolor y alteraciones en la calidad del sueño.  Objetivo: Evaluar la calidad del sueño en enfermos con dolor por cáncer.  Material y métodos: Estudio comparativo de dos grupos: grupo A, enfermos con dolor oncológico (n = 30), y grupo B (control), personas sanas (n = 30). Se registraron las siguientes variables: a) demográficas, b) calidad del sueño valorada mediante el Índice de Pittsburgh (PSQI), c) somnolencia diurna evaluada con el cuestionario de Epworth, d) intensidad del dolor mediante las escalas visual analógica (EVA) y verbal analógica (EVERA), y e) síntomas de ansiedad y/o depresión mediante los cuestionarios de Beck.  Resultados: En los pacientes con cáncer, se observó una intensidad del dolor promedio de 4 ± 1. Se identificó una mayor intensidad del dolor en estadios más avanzados. La evaluación de la calidad del sueño presentó diferencias significativas (grupo A, PSQI = 10 ± 5; grupo B (control), PSQI = 6 ± 3; p = 0.002); lo mismo ocurrió en la somnolencia diurna (p = 0.01).  Conclusiones: Existe una asociación entre: la calidad del sueño, la intensidad del dolor por cáncer y el estadio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Cancer is ranked as the third cause of death in Mexico. Cancer patients have pain and disturbances in sleep quality.  Purpose: To evaluate sleep´s quality in patients with cancer pain.  Materials and methods: The study compared two groups. Group A, cancer pain patients (n = 30), and Group B, healthy subjects (control group) (n = 30). Demographics, sleep quality (using the Pittsburgh Sleep Quality Index, PSQI), somnolence (Epworth Questionnaire), pain intensity (using the visual analogue scale [VAS] and verbal rating scale [VRS]), depression and anxiety (using the Beck questionnaires) were considered as variables.  Results: Pain cancer patients reported mean pain intensity (VAS) of 4 ± 1. Patients with advanced cancer reported higher pain intensity. In Group A the PSQI reported a score of 10 ± 5, in Group B the PSQI had a score of 6 ± 3 (p = 0.002). Somnolence reported significant differences (p = 0.01).  Conclusions: Our results suggest a relationship between sleep disorders, cancer pain and cancer stage.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Sueño]]></kwd>
<kwd lng="es"><![CDATA[Dolor]]></kwd>
<kwd lng="es"><![CDATA[Cáncer]]></kwd>
<kwd lng="es"><![CDATA[Pittsburgh]]></kwd>
<kwd lng="es"><![CDATA[Epworth]]></kwd>
<kwd lng="en"><![CDATA[Sleep]]></kwd>
<kwd lng="en"><![CDATA[Pain]]></kwd>
<kwd lng="en"><![CDATA[Cancer]]></kwd>
<kwd lng="en"><![CDATA[Pittsburgh]]></kwd>
<kwd lng="en"><![CDATA[Epworth]]></kwd>
</kwd-group>
</article-meta>
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