<?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>2444-054X</journal-id>
<journal-title><![CDATA[Cirugía y cirujanos]]></journal-title>
<abbrev-journal-title><![CDATA[Cir. cir.]]></abbrev-journal-title>
<issn>2444-054X</issn>
<publisher>
<publisher-name><![CDATA[Academia Mexicana de Cirugía A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2444-054X2024000600012</article-id>
<article-id pub-id-type="doi">10.24875/ciru.23000634</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Comparison posterior lumbar stabilization with dynamic rod system and rigid rod system for lumbar degenerative disease]]></article-title>
<article-title xml:lang="es"><![CDATA[Comparación de la estabilización lumbar posterior con el sistema de barras dinámicas y el sistema de barras rígidas para la enfermedad degenerativa lumbar]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Karaaslan]]></surname>
<given-names><![CDATA[Alp]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Biber]]></surname>
<given-names><![CDATA[Necat]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Özdemir]]></surname>
<given-names><![CDATA[Burak]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alta&#351;]]></surname>
<given-names><![CDATA[Kadir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kaya]]></surname>
<given-names><![CDATA[Ercan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Çifci]]></surname>
<given-names><![CDATA[Ece Sa&#287;lam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ba&#351;aran]]></surname>
<given-names><![CDATA[Recep]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Sancaktepe &#304;lhan Varank Training and Research Hospital Department of Neurosurgery ]]></institution>
<addr-line><![CDATA[Istanbul ]]></addr-line>
<country>Turkey</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>92</volume>
<numero>6</numero>
<fpage>788</fpage>
<lpage>794</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2444-054X2024000600012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2444-054X2024000600012&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2444-054X2024000600012&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: This research aims to assess the clinical and radiological outcomes of both dynamic rod system (PLSDR) and rigid rod system (PLSRR) when treating lumbar degenerative disease (LDD).  Method: A retrospective review of 98 patients who underwent posterior stabilization surgery with a posterior approach in our clinic between 2018 and 2023 was conducted. The patients were divided into two groups based on the type of implant used: Those with PLSRR (Group 1) and those with PLSDR (Group 2).  Results: In a comparative study, Group 1 had a higher prevalence of discopathy (49% vs. 24.5%, p = 0.012). Differences in surgical operation levels existed, and notably, only Group 1 had five-level surgeries (8.2%, p = 0.033). Pfirrmann disk degeneration grades differed significantly (p &lt; 0.001), with Group 2 mainly in Grade I (77.6% vs. 36.7% in Group 1). Stenosis (57.1% vs. 28.6%, p = 0.004) and facet hypertrophy (71.4% vs. 47%, p = 0.014) were higher in Group 1. Group 1 also showed a greater adjacent segment degeneration (ASD) incidence (81.6% vs. 51%, p = 0.001). Both groups had primarily proximal ASD degeneration (p = 0.202). Compression fractures were absent. Follow-up durations were similar (p = 0.183).  Conclusions: In treating LDD, the PLSDR shows potential advantages over PLSRR, including preservation of degeneration in adjacent segments.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Evaluar los resultados clínicos y radiológicos de los sistemas de varilla dinámica y de varilla rígida en el tratamiento de la enfermedad degenerativa lumbar.  Método: Se realizó una revisión retrospectiva de 98 pacientes que se sometieron a cirugía de estabilización posterior con un abordaje posterior en nuestra clínica entre 2018 y 2023. Los pacientes se dividieron en dos grupos según el tipo de implante utilizado: varilla rígida (grupo 1) o varilla dinámica (grupo 2).  Resultados: En el estudio comparativo, el grupo 1 tuvo una mayor prevalencia de discopatía (49 vs. 24.5%; p = 0.012). Hubo diferencias en los niveles de operación quirúrgica y, notablemente, solo el grupo 1 tuvo cirugías de cinco niveles (8.2%; p = 0.033). Los grados de degeneración del disco de Pfirrmann difirieron significativamente (p &lt; 0.001) con el grupo 2, principalmente en el grado I (77.6 vs. 36.7% en el grupo 1). Las estenosis (57.1 vs. 28.6%; p = 0.004) y la hipertrofia facetaria (71.4 vs. 47%; p = 0.014) fueron mayores en el grupo 1. El grupo 1 también mostró una mayor incidencia de degeneración del segmento adyacente (81.6 vs. 51%; p = 0.001). Ambos grupos tuvieron principalmente degeneración del segmento adyacente proximal (p = 0.202). No hubo fracturas por compresión. Las duraciones de los seguimientos fueron similares (p = 0.183).  Conclusiones: En el tratamiento de la enfermedad degenerativa lumbar, el sistema de varilla dinámica muestra ventajas potenciales sobre el de varilla rígida, incluida la preservación de la degeneración de segmentos adyacentes.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Lumbar degenerative disease]]></kwd>
<kwd lng="en"><![CDATA[Dynamic system]]></kwd>
<kwd lng="en"><![CDATA[Rigid rod system]]></kwd>
<kwd lng="es"><![CDATA[Enfermedad degenerativa lumbar]]></kwd>
<kwd lng="es"><![CDATA[Sistema dinámico]]></kwd>
<kwd lng="es"><![CDATA[Sistema de varilla rígida]]></kwd>
</kwd-group>
</article-meta>
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