<?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>1688-0420</journal-id>
<journal-title><![CDATA[Revista Uruguaya de Cardiología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Urug.Cardiol.]]></abbrev-journal-title>
<issn>1688-0420</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Uruguaya de Cardiología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-04202018000100020</article-id>
<article-id pub-id-type="doi">10.29277/cardio.33.1.6</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Revascularización arterial coronaria mediante el uso de ambas arterias mamarias internas en pacientes con ángor estable. Datos nacionales]]></article-title>
<article-title xml:lang="en"><![CDATA[Arterial revascularization with bilateral internal mammary artery in patients with stable angina. National data]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dayan]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marichal]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paganini]]></surname>
<given-names><![CDATA[Juan José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Straneo]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Brusich]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Centro Cardiovascular Universitario]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<fpage>20</fpage>
<lpage>42</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-04202018000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-04202018000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-04202018000100020&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción y objetivos: existe tendencia a procurar un aumento de los beneficios de la cirugía de revascularización mediante el uso de ambas arterias mamarias internas (DAMI). Nuestro objetivo fue analizar los resultados nacionales a largo plazo del uso de DAMI en una población de pacientes con ángor estable con indicación de revascularización aislada.  Métodos:  se recabaron los datos de pacientes operados desde 2006 a 2015 en Uruguay. Se extrajeron variables demográficas, operatorias y de seguimiento. Evaluamos mortalidad operatoria, mediastinitis y sobrevida. Estratificamos la población por edad en menor o mayor o igual a 65 años. Para disminuir la heterogeneidad entre grupos realizamos comparación mediante puntaje de propensión (PS) en menores de 65 años.  Resultados:  se incluyeron 2.791 pacientes. Los pacientes con DAMI eran más jóvenes (57,3?8,5 vs 65,9?8,6 años, p=0,001), con menor porcentaje de sexo femenino (15,6% vs 28,2%, p=0,001), menor incidencia de hipertensión (74,1% vs 79,8%, p=0,012) y menor Euroscore (1,35 vs 4,23, p=0,001). En ³65 años, DAMI resultó ser predictor independiente de mortalidad operatoria y peor sobrevida. En ?&#955;&#964;;65 años pareados por PS, los pacientes con DAMI tuvieron mayor sobrevida, pero DAMI no fue predictor independiente para la misma. La revascularización completa en pacientes con una mamaria igualó la sobrevida a DAMI. La incidencia de mediastinitis fue similar en ambos grupos en todos los casos.  Conclusiones: el uso de DAMI resultó perjudicial en pacientes 65 años. Dicha técnica ofrece mejores resultados en pacientes menores de 65 años, aunque su beneficio como predictor independiente parecería estar confundido por otras variables como la edad y la revascularización completa.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary:  Introduction and objectives:  there is a tendency to increase the benefits of surgery in coronary artery disease using both internal mammary arteries (BIMA). Our objective was to evaluate our long term national results in patients with stable coronary artery disease who receive isolated coronary artery bypass grafts (CABG) using BIMA.  Methods:  patients operated between 2006 and 2015 were included. Patients&#8217; demographic, operative and postoperative variables were extracted. The outcomes were operative mortality, deep sternal infection and survival. Our population was stratified by age in ?&#955;&#964;; and ³ 65 years old. In order to decreased group heterogeneity, propensity match (PM) was performed.  Results:  2.791 patients were included. Patients with BIMA were younger (57.3?8,5 vs 65,9?8,6 years old, p=0,001), lower incidence of females (15,6% vs 28,2%, p=0,001), of hypertension (74,1% vs 79,8%, p=0,012) and lower Euroscore (1,35 vs 4,23, p=0,001). In patients ³ 65 years old, BIMA was an independent predictor for worse operative mortality and survival. In PM patients ?&#955;&#964;; 65 years old, BIMA was associated with improved survival but failed to be an independent predictor for it. Patients who received single internal mammary artery and had complete revascularization had similar survival to BIMA patients. Deep sternal infection was similar between groups in both strata.  Conclusions:  the use of BIMA was found to be an independent predictor for worse outcomes in patients ³ 65 years old. BIMA has better results for patients ?&#955;&#964;; 65 years old although its independent benefit is confused by other variables such as age and complete revascularization.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Revascularización miocárdica]]></kwd>
<kwd lng="es"><![CDATA[Arteria mamaria interna]]></kwd>
<kwd lng="es"><![CDATA[Sobrevida]]></kwd>
<kwd lng="en"><![CDATA[Myocardial revascularization]]></kwd>
<kwd lng="en"><![CDATA[Internal mammary artery]]></kwd>
<kwd lng="en"><![CDATA[Survival]]></kwd>
</kwd-group>
</article-meta>
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