<?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>2027-0119</journal-id>
<journal-title><![CDATA[Urología Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Urol. Colomb.]]></abbrev-journal-title>
<issn>2027-0119</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2027-01192024000100015</article-id>
<article-id pub-id-type="doi">10.24875/ruc.23000122</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Assessing safety and efficacy of flexible ureteroscopy and laser lithotripsy in elderly patients]]></article-title>
<article-title xml:lang="es"><![CDATA[Evaluación de la seguridad y eficacia de la ureteroscopia flexible y la litotricia láser en pacientes de edad avanzada]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Villarraga]]></surname>
<given-names><![CDATA[Jeffer D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Perdomo]]></surname>
<given-names><![CDATA[Herney A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Vásquez]]></surname>
<given-names><![CDATA[Héctor A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios-Riascos]]></surname>
<given-names><![CDATA[Jorge E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Sanmiguel]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Clínica DESA Departamento de Urología ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Valle Departamento de Urología ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Clínica DESA Departamento de Cirugía ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Clínica DESA Departamento de Cirugía ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,Pontificia Universidad Javeriana Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<fpage>15</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2027-01192024000100015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2027-01192024000100015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2027-01192024000100015&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: The objective of the study was to determine the efficacy and safety of flexible ureteroscopy (F-URS) for the mana gement of intrarenal or proximal ureteral lithiasis in aged patients.  Materials and methods: In this retrospective, multicenter observational study, we collected the anonymized clinical data of patients who underwent F-URS at two institutions in Cali, Colombia between June 2015 and May 2018. The patients were divided into two groups based on age: Group A defined as aged patients (&gt; 65 years) and Group B as patients of non-advanced age (&lt; 65 years).  Results: A total of 201 patients were included in this study. The average age for Group A was 75 years (± 4.5) and for Group B was 51 years (± 10). The anes thetic risk classification (American Society of Anesthesiology [ASA]) and comorbidities were significantly higher for Group A with an ASA II and III of 74% versus 50% in Group B. No significant differences were shown in the stone-free rates (SFRs) or significant ureteral injury (Grade III and IV). There was no difference in intraoperative or post-operative complications between both groups.  Conclusions: Age &gt; 65 years was not associated with a negative impact on the outcomes of F-URS for the management of intrarenal or proximal ureteral lithiasis in this cohort of patients. F-URS appears as a safe and effec tive procedure and should not be withheld from older patients.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Determinar la efectividad y seguridad de la ureteroscopia flexible (F-URS) para el manejo de la litiasis ureteral intrarrenal o proximal en pacientes ancianos.  Materiales y métodos: En este estudio observacional multicéntrico y retrospectivo, se recogieron los datos clínicos de los pacientes sometidos a F-URS en dos instituciones de Cali, Colombia, entre junio de 2015 y mayo de 2018. Los pacientes se dividieron en dos grupos según la edad. El grupo A se definió como pacientes de edad avanzada (&gt; 65 años) y el grupo B como pacientes de edad no avanzada (&lt; 65 años).  Resultados: Un total de 201 pacientes fueron incluidos en este estudio. La edad media para el grupo A fue de 75 años (± 4,5) y para el grupo B fue de 51 años (± 10). La clasificación de riesgo anestésico (ASA) y las comorbilidades fueron significativamente mayores para el grupo A con un ASA II y III del 74% frente al 50% en el grupo B. No se observaron diferencias significativas en las tasas libres de cálculos ni en la lesión ureteral significativa (grado III y IV). No hubo diferencias en las complicaciones anestésicas, intraoperatorias o postoperatorias entre ambos grupos.  Conclusiones: La edad &gt; 65 años no se asoció con un impacto negativo en los resultados urológicos ni en la tasa de éxito de la F-URS para el manejo de la litiasis ureteral intrarrenal o proximal en esta cohorte de pacientes. La F-URS es un pro cedimiento seguro y eficaz, y no debe contraindicarse en los pacientes de edad avanzada.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Ureteroscopy]]></kwd>
<kwd lng="en"><![CDATA[Lithotripsy]]></kwd>
<kwd lng="en"><![CDATA[Laser]]></kwd>
<kwd lng="en"><![CDATA[Urinary calculi]]></kwd>
<kwd lng="en"><![CDATA[Aged]]></kwd>
<kwd lng="es"><![CDATA[Ureteroscopia flexible]]></kwd>
<kwd lng="es"><![CDATA[Litotricia láser]]></kwd>
<kwd lng="es"><![CDATA[Litiasis renal]]></kwd>
<kwd lng="es"><![CDATA[Litiasis ureteral]]></kwd>
<kwd lng="es"><![CDATA[Edad avanzada]]></kwd>
</kwd-group>
</article-meta>
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