<?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>2011-0839</journal-id>
<journal-title><![CDATA[Universitas Medica]]></journal-title>
<abbrev-journal-title><![CDATA[Univ. Med.]]></abbrev-journal-title>
<issn>2011-0839</issn>
<publisher>
<publisher-name><![CDATA[Pontificia Universidad Javeriana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-08392020000100003</article-id>
<article-id pub-id-type="doi">10.11144/javeriana.umed61-1.cost</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Cost-Effectiveness Analysis Applied to the Treatment of Unruptured Anterior Circulation Aneurysms in a Middle-Income Country]]></article-title>
<article-title xml:lang="es"><![CDATA[Análisis de costo-efectividad en el tratamiento de aneurismas de circulación cerebral anterior en una economía de ingreso medio]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Harker]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quitián-Reyes]]></surname>
<given-names><![CDATA[Hoover]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Feo-Lee]]></surname>
<given-names><![CDATA[Oscar Hernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iragorri]]></surname>
<given-names><![CDATA[Nicolás]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puentes]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario San Ignacio  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Pontificia Universidad Javeriana  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Universitario San Ignacio  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>61</volume>
<numero>1</numero>
<fpage>3</fpage>
<lpage>10</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-08392020000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-08392020000100003&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-08392020000100003&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: Controversy exists regarding the best treatment option for unruptured anterior circulation aneurysms (UA); thus, we performed a long-term cost-effectiveness analysis comparing different treatment options from an economic standpoint.  Methods: A decision-tree model was built based on a hypothetical cohort of 1,000 patients undergoing treatment for UA. Health outcomes and cost analysis were modeled over the projected lifetime. All treatment outcome probabilities and likelihood ratios were obtained from major natural history and outcome studies. Costs were assessed from the societal perspective of the general healthcare system in Colombia. A univariate sensitivity analysis was conducted to evaluate the impact and significance of the results.  Results: Significant differences were shown in treatment cost and total effectiveness. SC had a mean treatment cost of US$2,322 and a cost-effectiveness ratio of US$2,735 (EC: US$4,650 and US$5,798). A univariate sensitivity analysis showed that the total cost-effectiveness of SC remained dominantly superior to EC.  Conclusions: From an economic standpoint, results show that SC is the most cost-effective treatment alternative in a middle-income country. These results must be taken into account during the decision-making process for the treatment of intracranial aneurysms, especially in those countries where cost-effective measures are of vital importance. Nevertheless, further studies are warranted in different healthcare-system settings.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Existe controversia alrededor del mejor tratamiento de aneurismas cerebrales no rotos. Por tanto, se realizó un análisis de costo-efectividad que comparó las alternativas de tratamiento desde un punto de vista económico.  Métodos: Se construyó un modelo de árbol de decisiones basado en una cohorte hipotética. Los desenlaces y análisis de costo se modelaron con un horizonte temporal de fin de vida. Todas las probabilidades de desenlace se obtuvieron de grandes estudios previamente publicados. Los costos se evaluaron desde la perspectiva del Sistema General de Seguridad Social en Salud en Colombia. Se realizó un análisis univariado para evaluar el impacto de los resultados.  Resultados: Se encontraron diferencias significativas en el costo del tratamiento y la efectividad total. El clipaje tuvo un costo promedio de US$ 2322 y una relación de costo-efectividad de US$ 2735 (US$ 4650 y US$ 5798 para EC). El análisis univariado mostró que la costo-efectividad del clipaje fue dominantemente superior.  Conclusiones: Desde un punto de vista económico, el clipaje es la alternativa más costo-efectiva en una economía de ingreso medio. Estos resultados deben ser tenidos en cuenta en el proceso de decisión, especialmente en países donde las medidas de costo-efectividad son críticas. Sin embargo, se requieren estudios adicionales en diferentes sistemas de salud mundial.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[cost-effectiveness]]></kwd>
<kwd lng="en"><![CDATA[intracranial aneurysm]]></kwd>
<kwd lng="en"><![CDATA[endovascular coiling]]></kwd>
<kwd lng="en"><![CDATA[surgical clipping]]></kwd>
<kwd lng="es"><![CDATA[costo-efectividad]]></kwd>
<kwd lng="es"><![CDATA[aneurisma cerebral]]></kwd>
<kwd lng="es"><![CDATA[clipaje quirúrgico]]></kwd>
<kwd lng="es"><![CDATA[embolización endovascular]]></kwd>
</kwd-group>
</article-meta>
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