<?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>0121-8123</journal-id>
<journal-title><![CDATA[Revista Colombiana de Reumatología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Reumatol.]]></abbrev-journal-title>
<issn>0121-8123</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Reumatología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-81232023000200087</article-id>
<article-id pub-id-type="doi">10.1016/j.rcreu.2021.07.002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Compromiso subclínico de cadera en artritis reumatoide. Un estudio ultrasonográfico]]></article-title>
<article-title xml:lang="en"><![CDATA[Subclinical hip involvement in rheumatoid arthritis. An ultrasound assessment]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aroja Santos]]></surname>
<given-names><![CDATA[Vladimir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[Jessica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sandoval]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernal-González]]></surname>
<given-names><![CDATA[Araceli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdivieso-Ruiz]]></surname>
<given-names><![CDATA[Melisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Flores]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno Ramírez]]></surname>
<given-names><![CDATA[Mariana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arrieta Aguilar]]></surname>
<given-names><![CDATA[Aarón Daniel Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[Marwin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pineda]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,IMSS Hospital General de Zona y Medicina Familiar 29  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra Unidad de Investigación Sociomédica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,ISSSTE Hospital General Dr. Fernando Quiroz Servicio de Reumatología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>30</volume>
<numero>2</numero>
<fpage>87</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-81232023000200087&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-81232023000200087&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-81232023000200087&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El compromiso de la articulación coxofemoral en la artritis reumatoide se asocia a discapacidad y menor calidad de vida. En la actualidad no existen estudios que evalúen sus alteraciones en etapas subclínicas.  Objetivos:  Determinar la prevalencia del compromiso subclínico de cadera mediante el uso del ultrasonido.  Materiales y métodos:  Estudio descriptivo de corte transversal, enfocado en pacientes con diagnóstico establecido de artritis reumatoide, según los criterios clasificatorios de la EULAR/ACR 2010, que presentaron o no dolor en la articulación coxofemoral durante el examen físico, comparados con individuos sanos. Se investigó la presencia de distensión de la cápsula articular, bursitis del iliopsoas, erosiones, osteofitos, remodelación articular y serial Doppler de poder. Las imágenes fueron interpretadas por un reumatólogo experto en US, cegado a las variables clínicas, demográficas y de laboratorio.  Resultados:  Se evaluaron en total 234 caderas; 37 (31,6%) pacientes con artritis reumatoide sintomáticos de la cadera, 40 (34,1%) pacientes con artritis reumatoide subclínica y 40 (34,1%) sujetos sanos. La prevalencia de sinovitis de la cápsula articular fue del 48,6% para los pacien tes con artritis reumatoide sintomática, del 20% para los pacientes con artritis reumatoide subclínica y del 15% para los sujetos sanos. El grupo de pacientes con artritis reumatoide subclínica presentó una mayor frecuencia de osteofitos y remodelación articular.  Conclusiones:  Se confirmó el valor del ultrasonido en el diagnóstico subclínico de la patología inflamatoria de la articulación coxofemoral. No se evidenciaron asociaciones significativas entre los hallazgos del US con la actividad de la enfermedad, ni con los valores de estudios de laboratorio.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Hip joint involvement in rheumatoid arthritis has been related to disability and lower quality of life. Currently, not enough studies provide information for subclinical hip involvement.  Objectives:  To determine the prevalence of subclinical hip joint involvement in rheumatoid arthritis, characterizing it by ultrasound.  Materials and methods:  A descriptive cross-sectional study in rheumatoid arthritis patients with an established diagnosis of rheumatoid arthritis according to EULAR/ACR 2010 classifi cation criteria, without hip pain or abnormalities during a clinical examination (subclinical group), this group was compared with a group of symptomatic patients with rheumatoid arthritis of the hip (pathological control group), and with healthy control individuals mat ched by age and body mass index. The presence of joint capsule distension, osteophytes, joint remodelling process, erosions, iliopsoas bursitis, and power Doppler signal was asses sed. The images were interpreted by an experienced rheumatologist blinded to clinical and laboratory variables.  Results: 234 hips were studied; 37 (31.6%) symptomatic hip patients, 40 (34.1%) asymptomatic hip patients and 40 (34.1%) healthy individuals. The prevalence of joint capsule distension was 20%, while symptomatic hip patients and healthy individuals had a prevalence of 48.6% and 15%, respectively. The asymptomatic group presented higher values for osteophytes and joint remodelling.  Conclusions:  Ultrasound is a sensitive tool to identify subclinical hip joint synovitis in rheumatoid arthritis patients, reaffirming the value of ultrasound in preclinical diagnosis. The presence of erosions and iliopsoas bursitis was low; we observed no power Doppler signals nor significant associations between ultrasound findings with disease activity and laboratory test results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Artritis reumatoide]]></kwd>
<kwd lng="es"><![CDATA[Articulación de la cadera]]></kwd>
<kwd lng="es"><![CDATA[Ultrasonografía]]></kwd>
<kwd lng="es"><![CDATA[Adulto]]></kwd>
<kwd lng="en"><![CDATA[Rheumatoid arthritis]]></kwd>
<kwd lng="en"><![CDATA[Hip joint]]></kwd>
<kwd lng="en"><![CDATA[Ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[Adult]]></kwd>
</kwd-group>
</article-meta>
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