<?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>2992-7749</journal-id>
<journal-title><![CDATA[Cirugía de columna (México, Ciudad de México)]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. Columna]]></abbrev-journal-title>
<issn>2992-7749</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Cirujanos de Columna A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2992-77492025000200107</article-id>
<article-id pub-id-type="doi">10.35366/119620</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Variabilidad de los parámetros espinopélvicos en pacientes con patología crónica-degenerativa lumbar con manejo quirúrgico en un hospital de ortopedia de referencia]]></article-title>
<article-title xml:lang="en"><![CDATA[Variability of spinopelvic parameters in patients with chronic-degenerative lumbar pathology with surgical management in a reference orthopedic hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tlapacoyoa-Leonides]]></surname>
<given-names><![CDATA[José Asael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiroz-Williams]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Navarro]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaytán-Fernández]]></surname>
<given-names><![CDATA[Suemmy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barragán-Hervella]]></surname>
<given-names><![CDATA[Rodolfo Gregorio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Armenta]]></surname>
<given-names><![CDATA[Gabriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Traumatología y Ortopedia &#8220;Manuel Ávila Camacho&#8221; Unidad Médica de Alta Especialidad]]></institution>
<addr-line><![CDATA[Puebla Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Popular Autónoma del Estado de Puebla Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>3</volume>
<numero>2</numero>
<fpage>107</fpage>
<lpage>112</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2992-77492025000200107&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2992-77492025000200107&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2992-77492025000200107&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  la deformidad de la columna en el adulto se ha convertido en una patología cuya frecuencia está en aumento por la tendencia a una vida más longeva en la población y a mantener el nivel de actividad de ésta.  Objetivo:  describir la variabilidad de los parámetros espinopélvicos en pacientes con patología crónica-degenerativa lumbar con manejo quirúrgico.  Material y métodos:  estudio observacional descriptivo de pacientes con espondiloartrosis y/o espondilolistesis degenerativa lumbar sometidos a cirugía ortopédica. Los pacientes fueron distribuidos en dos grupos: instrumentación + fusión (IF), y liberación radicular sin instrumentación (LSI). Se midieron incidencia pélvica (IP), inclinación sacra (SS), lordosis lumbar (LL), inclinación pélvica (PT) e incidencia pélvica menos lordosis lumbar (PI&#8722;LL) en la radiografía basal, al mes y seis meses postquirúrgicos. El análisis estadístico se realizó con t-Student. Valor estadísticamente significativo fue p &lt; 0.005.  Resultados:  muestra 96 pacientes. A los seis meses de seguimiento (IF versus LSI), PI: 52.0 ± 10.1 versus 52.2 ± 14.7 (p = 0.932); SS: 34.1 ± 8.3 versus 32.7 ± 11.0 (p = 0.533); LL: 49.4 ± 13.5 versus 49.0 ± 13.2 (p = 0.889); PT: 17.89 ± 7.6 versus 9.4 ± 8.5 (p = 0.402); PI&#8722;LL: 2.58 ± 12.4 versus 3.26 ± 13.84 (p = 0.833).  Conclusiones:  los cambios en los parámetros espinopélvicos se observaron en ambos grupos, pero fueron mayores en el grupo LSI, aunque estadísticamente no fueron significativos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  spinal deformity in adults has become a pathology whose frequency is increasing due to the tendency towards a longer life in the population, as well as to maintain the level of activity of the same.  Objective:  to describe the variability of spinopelvic parameters in patients with chronic-degenerative lumbar pathology with surgical management.  Material and methods:  observational, descriptive, retrospective and longitudinal study of patients with spondyloarthrosis and/or degenerative lumbar spondylolisthesis undergoing orthopedic surgery. The patients were divided into two groups: instrumentation + fusion (IF), and without instrumentation + release (LSI). pelvic incidence (PI), sacral slope (SS), lumbar lordosis (LL), pelvic tilt (PT) and pelvic incidence minus lumbar lordosis (PI&#8722;LL) were measured on the baseline radiograph, at one and six months postoperatively. Statistical analysis was performed with Student&#8217;s t-test. Statistically significant value was p &lt; 0.005.  Results:  sample 96 patients. At six months follow-up (A versus B), PI: 52.0 ± 10.1 versus 52.2 ± 14.7 (p = 0.932); SS: 34.1 ± 8.3 versus 32.7 ± 11.0 (p = 0.533); LL: 49.4 ± 13.5 versus 49.0 ± 13.2 (p = 0.889); PT: 17.89 ± 7.6 versus 9.4 ± 8.5 (p = 0.402); PI&#8722;LL: 2.58 ± 12.4 versus 3.26 ± 13.84 (p = 0.833).  Conclusions:  changes in spinopelvic parameters were observed in both groups, but were greater in the non-instrumented release group, but were not statistically significant.]]></p></abstract>
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