<?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>0120-3347</journal-id>
<journal-title><![CDATA[Colombian Journal of Anestesiology]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. colomb. anestesiol.]]></abbrev-journal-title>
<issn>0120-3347</issn>
<publisher>
<publisher-name><![CDATA[SCARE-Sociedad Colombiana de Anestesiología y Reanimación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-33472024000400002</article-id>
<article-id pub-id-type="doi">10.5554/22562087.e1116</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Ultrasound-guided neuraxial anesthesia versus the use of anatomical landmarks in the elderly: prospective cohort study]]></article-title>
<article-title xml:lang="es"><![CDATA[Anestesia neuroaxial guiada por ultrasonido vs. reparos anatómicos en ancianos: Estudio de cohorte prospectivo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caballero-Lozada]]></surname>
<given-names><![CDATA[Andrés Fabricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sakamoto-T]]></surname>
<given-names><![CDATA[Genji]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carreño-Medina]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pantoja]]></surname>
<given-names><![CDATA[María Fernanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle Department of Anesthesiology and Resuscitation ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario del Valle Anesthesiology Department ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fundación Hospital San José Buga Anesthesiology Department ]]></institution>
<addr-line><![CDATA[Buga ]]></addr-line>
<country>Colombia</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>52</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-33472024000400002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-33472024000400002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-33472024000400002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Spinal anesthesia requires palpation of surfaces in order to identify the intervertebral spaces in the lumbar spine. In elderly individuals, the procedure is more challenging due to age-related degenerative changes in the spine.  Objective: To determine which technique between ultrasound (US) guidance or the use of anatomical landmarks to guide spinal anesthesia ensures a higher success rate in elderly patients.  Methods: prospective observational cohort study in patients with an indication to receive subarachnoid anesthesia, regardless of the type of surgical intervention, carried out at Hospital Universitario del Valle and Fundación Hospital San José Buga. Data were collected over a 12-month period at the time of making the puncture. The treating anesthetists were free to choose between US guidance or the use of anatomical landmarks.  Results: Overall, 80 patients were assessed, including men and women over 65 years of age (mean 78.5±19.04). The number of punctures as well as needle redirections were significantly lower in the US-guided group. Additionally, in the group in which anatomical landmarks were used to guide the puncture, the marked site did not coincide with the actual puncture site confirmed with US in 37.5% of cases (p&lt;0.001). This could result in inadequate block or complications associated with intradural puncture.  Conclusions: US-guided neuroaxial anesthesia in elderly individuals could facilitate success on the first attempt.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La anestesia espinal se realiza mediante palpación de superficies para la identificación de los espacios intervertebrales lumbares. En adultos mayores el procedimiento presenta mayor dificultad debido a los cambios degenerativos de la columna vertebral asociados a la edad.  Objetivo: Evaluar cuál técnica de anestesia espinal garantiza una mayor tasa de éxito entre la guiada por ultrasonido (US) y la guiada por reparos anatómicos (RA) en adultos mayores.  Métodos: Estudio observacional de cohorte prospectivo en pacientes con indicación de suministro de anestesia subaracnoidea independientemente de la intervención quirúrgica, llevado a cabo en el Hospital Universitario del Valle y la Fundación Hospital San José Buga. En un lapso de 12 meses se recolectaron datos durante la realización de la punción, según decisión del anestesiólogo tratante, guiada por US vs. RA.  Resultados: En total se evaluaron 80 pacientes entre hombres y mujeres, mayores de 65 años, con edad media de 78,50±9,04. El número de punciones, así como de redireccionamientos, fue significativamente menor en el grupo guiado por US. Adicionalmente, se observó que en el grupo guiado por RA, el 37,5 % no coincidía con el sitio demarcado con el espacio real de punción confirmado con US (p&lt;0,001). Podría ser la causa de un bloqueo inadecuado o de complicaciones de la punción intradural.  Conclusiones: La técnica de anestesia neuroaxial guiada por US en adultos mayores podría facilitar el bloqueo neuroaxial al primer intento de punción.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Anesthesia]]></kwd>
<kwd lng="en"><![CDATA[Spinal Puncture]]></kwd>
<kwd lng="en"><![CDATA[Aged]]></kwd>
<kwd lng="en"><![CDATA[Ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[Orthopedic Procedures]]></kwd>
<kwd lng="en"><![CDATA[Anesthesiology]]></kwd>
<kwd lng="es"><![CDATA[Anestesia]]></kwd>
<kwd lng="es"><![CDATA[Punción espinal]]></kwd>
<kwd lng="es"><![CDATA[Anciano]]></kwd>
<kwd lng="es"><![CDATA[Ultrasonografía]]></kwd>
<kwd lng="es"><![CDATA[Procedimientos ortopédicos]]></kwd>
<kwd lng="es"><![CDATA[Anestesiología]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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