<?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>S1688-04202017000200132</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tasa de angiografías coronarias sin lesiones (&#8220;en blanco&#8221;) de indicación electiva tras estudios funcionales]]></article-title>
<article-title xml:lang="en"><![CDATA[Rate of coronary angiography without lesions (&#8220;blank&#8221;) of elective indication after functional studies]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Conti]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferrando-Castagnetto]]></surname>
<given-names><![CDATA[Federico]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ricca-Mallada]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lujambio]]></surname>
<given-names><![CDATA[Mariela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferrando]]></surname>
<given-names><![CDATA[Rodolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Freire]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Departamento de Cardiología - Centro Cardiovascular Universitario, Hospital de Clínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Centro de Medicina Nuclear e Imagenología Molecular, Hospital de Clínicas]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2017</year>
</pub-date>
<volume>32</volume>
<numero>2</numero>
<fpage>132</fpage>
<lpage>140</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-04202017000200132&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-04202017000200132&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-04202017000200132&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: aunque la cineangiocoronariografía (CACG) sigue siendo el &#8220;patrón oro&#8221; diagnóstico en la enfermedad coronaria, la optimización de sus indicaciones electivas obliga a revisar sistemáticamente los resultados de los estudios funcionales de detección de isquemia.  Objetivo:  analizar la tasa de angiografías sin obstrucciones coronarias epicárdicas (&#8220;en blanco&#8221;) de indicación electiva tras estudios funcionales.  Material y método: se realizó un estudio observacional analítico y transversal, analizando las CACG electivas realizadas en 2011-2014 en el servicio de hemodinamia público del país. Se registraron variables clínicas, indicación y resultados de la interpretación angiográfica en los pacientes que fueron estudiados previamente mediante pruebas no invasivas para detección de isquemia. La ausencia de estenosis coronaria significativa fue definida como la presencia de estenosis luminal &lt;50%. Se excluyeron las indicaciones electivas por preoperatorio de valvulopatías, disfunción sistólica severa y arritmias ventriculares, y los pacientes con antecedentes de intervencionismo coronario percutáneo o cirugía de bypass coronario.  Resultados:  se incluyeron los resultados de las CACG electivas en 219 pacientes con pruebas funcionales previas. La tasa de CACG &#8220;en blanco&#8221; fue de 35,62%. Las variables asociadas con la presencia de lesiones coronarias angiográficas fueron: el sexo masculino (OR=2,22, IC 95%: 1,26-3,92), la edad ³65 años (OR=2,09, IC 95%: 1,19-3,69), la diabetes (OR=2,94, IC 95%: 1,52-45,65) y un resultado funcional de moderado/alto riesgo (OR=22,99, IC 95%: 2,90-181,80). En contraposición, un resultado funcional normal/de bajo riesgo se asoció con la ausencia de lesiones angiográficas (OR=0,04, IC 95%: 0,005-0,34). La población de pacientes estudiados previamente mediante ecocardiografía de estrés fue poco representativa (5,02%).  Conclusiones:  en un centro universitario público de referencia la tasa de angiografías coronarias electivas &#8220;en blanco&#8221; es acorde con lo reportado en los grandes estudios multicéntricos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary  Background:  although coronary angiography is still the &#8220;gold standard&#8221; diagnostic of coronary artery disease, a systematic review of its elective indications after noninvasive (functional) tests is needed.  Objective:  to analyze through functional tests the rate of nonobstructive (&#8220;blank&#8221;) elective coronary angiography (CA) in patients previously studied through noninvasive (functional) tests.  Methods:  we performed an observational analytic and cross-sectional study analyzing elective CA performed in 2011-2014 in a nationwide public hemodynamic service. Clinical data indications and results of angiographic interpretation were recorded in the subjects previously studied through noninvasive (functional) tests. Elective indications corresponding to preoperative evaluation of valvular disease, severe systolic dysfunction, ventricular arrhytmias, previous history of angioplasty or coronary artery bypass surgery were excluded. We defined the absence of significant coronary stenosis as those lesions determining a luminal stenosis &lt;50%.  Results:  we analyzed the results of 219 functional tests. The rate of CA without significant coronary stenosis was 35,62%. Male gender (OR=2,22, IC 95%: 1,26-3,92), age &gt;65 years (OR=2,09, IC 95%:1,19-3,69), diabetes (OR=2,94, IC 95%: 1.52-45,65) and a moderate/high risk functional test outcome (OR=22,99, IC 95%: 2,90-181,80) were positively associated with angiographic lesions. In contrast, a normal/low risk functional outcome was associated with the absence of coronary stenosis (OR=0,04, IC 95%: 0,005-0,34). The sample of patients studied through stress-ECHO was not representative (5,02%).  Conclusions:  in a nationwide public university center, the rate of &#8220;blank&#8221; elective coronary angiography after functional tests is similar to large international multicenter studies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Angiografía coronaria]]></kwd>
<kwd lng="es"><![CDATA[Isquemia]]></kwd>
<kwd lng="es"><![CDATA[Test funcional]]></kwd>
<kwd lng="es"><![CDATA[Hospital Universitario]]></kwd>
<kwd lng="es"><![CDATA[Uruguay]]></kwd>
<kwd lng="en"><![CDATA[coronary angiograhy]]></kwd>
<kwd lng="en"><![CDATA[ischemia]]></kwd>
<kwd lng="en"><![CDATA[functional test]]></kwd>
<kwd lng="en"><![CDATA[university hospital]]></kwd>
<kwd lng="en"><![CDATA[Uruguay]]></kwd>
</kwd-group>
</article-meta>
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