<?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>1889-836X</journal-id>
<journal-title><![CDATA[Revista de Osteoporosis y Metabolismo Mineral]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Osteoporos Metab Miner]]></abbrev-journal-title>
<issn>1889-836X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Investigaciones Óseas y Metabolismo Mineral]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1889-836X2019000400003</article-id>
<article-id pub-id-type="doi">10.4321/s1889-836x2019000400003</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Eficacia y seguridad a largo plazo del polimetilmetacrilato (PMMA) en pacientes osteoporóticos tratados mediante vertebroplastia percutánea]]></article-title>
<article-title xml:lang="en"><![CDATA[Long-term efficacy and safety of polymethylmethacrylate (PMMA) in osteoporotic patients treated by percutaneous vertebroplasty]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Herradón]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piñera]]></surname>
<given-names><![CDATA[AR]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tomé]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Arguisjuela]]></surname>
<given-names><![CDATA[MG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saura]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saura]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Higueras]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mahíllo]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piedra]]></surname>
<given-names><![CDATA[C De la]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Galovich]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Universitario Fundación Jiménez Díaz Servicio de Traumatología y Ortopedia Unidad de Patología de Columna]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Hospital General de Villalba Servicio de Cirugía Ortopédica y Traumatología Unidad de Patología de Columna]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital Universitario Fundación Jiménez Díaz Servicio de Neurorradiología ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Hospital Universitario Fundación Jiménez Díaz Servicio de Radiología ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<aff id="A05">
<institution><![CDATA[,Hospital Universitario Fundación Jiménez Díaz Servicio de Epidemiología Clínica ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>11</volume>
<numero>4</numero>
<fpage>92</fpage>
<lpage>97</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1889-836X2019000400003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1889-836X2019000400003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1889-836X2019000400003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Actualmente, existen pocos datos sobre la influencia a largo plazo del polimetilmetacrilato (PMMA) en la integridad de los cuerpos vertebrales tras la vertebroplastia percutánea (VP). Resulta de interés investigar la posible relación entre esta técnica y la aparición con el tiempo de fenómenos de osteólisis o la fragmentación del cemento en las vértebras intervenidas El objetivo de este trabajo fue investigar si, a largo plazo, existe una pérdida de efectividad y/o seguridad de la VP con PMMA.  Material y métodos: Se analizaron radiografías de pacientes intervenidos correspondientes al post?operatorio inmediato y al estudio radiológico más reciente (VP hace más de 15 años). Con ambos estudios radiológicos, describimos: la altura del cuerpo vertebral, la angulación de platillos y la presencia de osteólisis alrededor del cemento en el tiempo.  Resultados: Un total de 7 pacientes intervenidos mediante VP con PMMA hace 15 o más años accedieron a realizarse una nueva radiografía en nuestro Centro. Tras el análisis de sus imágenes post?operatorias (inmediatas y a 15 ó más años de la cirugía), no se observó en ninguna de las vértebras intervenidas pérdida de altura del cuerpo vertebral cementado, diferencias de angulación en los platillos, presencia de osteólisis alrededor del cemento o fragmentación del PMMA inyectado  Conclusión: El PMMA inyectado en el cuerpo vertebral mantiene una situación estable en el tiempo (más de 15 años). No se observan cambios en la interfaz hueso-PMMA, osteólisis y/o cambios en la altura de los cuerpos vertebrales en los casos analizados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary  Objetive: Currently, there are limited data on the long-term influence of polymethylmethacrylate (PMMA) on the integrity of vertebral bodies after percutaneous vertebroplasty (PVP). Interesting investigation is being carried out into the possible relationship between this technique and the appearance over time of osteolytic phenomena or cement fragmentation in the intervened vertebrae. The objective of our study was to investigate whether there is a loss of effectiveness and/or safety of PVP with PMMA in the long term.  Material and method: X-rays were analyzed of intervened patients corresponding to the immediate post-operative and the most recent radiological study (PVP more than 15 years previous). With both radiological studies, we describe: the height of the vertebral body, the angulation of lamellar plates and osteolytic presence around the cement over time.  Results: A total of 7 patients operated by PVP with PMMA 15 or more years earlier agreed to have a new radiograph in our center. After the analysis of their post-operative images (immediate and 15 or more years after surgery), no loss of height of the cemented vertebral body, differences in angulation in the lamellar plates, presence of osteolysis around the vertebrae was observed in any of the involved vertebrae cement or fragmentation of the injected PMMA.  Conclusions: PMMA injected into the vertebral body remains stable over time (more than 15 years). There are no changes in the bone-PMMA interface, osteolysis and/or changes in the height of the vertebral bodies in the cases analyzed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[vertebroplastia]]></kwd>
<kwd lng="es"><![CDATA[PMMA]]></kwd>
<kwd lng="es"><![CDATA[cirugía de columna]]></kwd>
<kwd lng="es"><![CDATA[fractura vertebral]]></kwd>
<kwd lng="es"><![CDATA[osteoporosis]]></kwd>
<kwd lng="es"><![CDATA[osteólisis]]></kwd>
<kwd lng="en"><![CDATA[vertebroplasty]]></kwd>
<kwd lng="en"><![CDATA[PMMA]]></kwd>
<kwd lng="en"><![CDATA[spine surgery]]></kwd>
<kwd lng="en"><![CDATA[vertebral fracture]]></kwd>
<kwd lng="en"><![CDATA[osteoporosis]]></kwd>
<kwd lng="en"><![CDATA[osteolysis]]></kwd>
</kwd-group>
</article-meta>
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