<?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>2954-3835</journal-id>
<journal-title><![CDATA[Cardiovascular and metabolic science]]></journal-title>
<abbrev-journal-title><![CDATA[Cardiovasc. metab. sci]]></abbrev-journal-title>
<issn>2954-3835</issn>
<publisher>
<publisher-name><![CDATA[Asociación Nacional de Cardiólogos de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2954-38352021000300138</article-id>
<article-id pub-id-type="doi">10.35366/101307</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hypertrophic obstructive cardiomyopathy in an octogenarian patient]]></article-title>
<article-title xml:lang="es"><![CDATA[Miocardiopatía hipertrófica obstructiva en una paciente octogenaria]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urzúa-González]]></surname>
<given-names><![CDATA[Agustín Ramiro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Saucedo]]></surname>
<given-names><![CDATA[José Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñiz-Castillo]]></surname>
<given-names><![CDATA[Faviola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera-Chávez]]></surname>
<given-names><![CDATA[Manuel José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Preciado-Anaya]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Regional de Alta Especialidad del Bajío Unidad de Cuidados Intensivos Cardiovasculares ]]></institution>
<addr-line><![CDATA[Leon Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guanajuato Departamento de Medicina y Nutrición ]]></institution>
<addr-line><![CDATA[Leon Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Regional de Alta Especialidad del Bajío Departamento de Ecocardiografía ]]></institution>
<addr-line><![CDATA[Leon Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Regional de Alta Especialidad del Bajío Unidad de Cuidados Intensivos ]]></institution>
<addr-line><![CDATA[Leon Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Siena del Moral Centro de Investigación Cardimax Departamento de Cardiología Nuclear y TC]]></institution>
<addr-line><![CDATA[Leon Guanajuato]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>32</volume>
<numero>3</numero>
<fpage>138</fpage>
<lpage>143</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2954-38352021000300138&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2954-38352021000300138&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2954-38352021000300138&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Hypertrophic cardiomyopathy (HCM) is the most common inhered cardiac disease. Although clinical manifestations have been most commonly reported between the third and fifth decades of life, significant clinical symptoms can appear beyond the seventh decade of life, but this is less well appreciated. We present an 80-year-old female referred to our tertiary care center with the diagnosis of non-ST-elevation myocardial infarction. The invasive coronary angiography showed epicardial arteries with no significant lesions and the presence of left ventricular outflow tract obstruction, identified through the Brockenbrough-Braunwald-Morrow sign. In the past, HCM had been reserved as a relevant clinical entity in the young population because of its higher risk of sudden cardiac death, but its clinical behavior covers a broad spectrum of manifestations; currently, HCM is becoming more frequent to be diagnosed at advanced ages due to advances and accessibility of imaging modalities. Despite alcohol septal ablation and surgical myomectomy are the main therapeutic options for obstructive HCM, management of elderly HCM patients is still discussed. A multidisciplinary team must individually evaluate the case based on the clinical presentation, comorbidities, anatomical characteristics, and the hospital&#8217;s expertise to decide the best therapeutic approach.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La miocardiopatía hipertrófica (MCH) es la enfermedad cardiaca hereditaria más común. Aunque las manifestaciones clínicas se han descrito con mayor frecuencia entre la tercera y la quinta décadas de la vida, pueden aparecer síntomas clínicos significativos más allá de la séptima, aunque esto es menos reconocido. Presentamos a una mujer de 80 años de edad enviada a nuestro centro de tercer nivel de atención con el diagnóstico de síndrome coronario agudo sin elevación del ST. La angiografía coronaria invasiva mostró arterias epicárdicas sin lesiones significativas y la presencia de obstrucción del tracto de salida del ventrículo izquierdo, identificada mediante el signo de Brockenbrough-Braunwald-Morrow. En el pasado, la MCH se había reservado como una entidad clínica relevante en la población joven por su mayor riesgo de muerte súbita cardiaca, pero su comportamiento clínico abarca un amplio espectro de manifestaciones; actualmente, es cada vez más frecuente el diagnóstico de MCH en edades avanzadas debido a los avances y a la accesibilidad de las modalidades de imagen cardiovascular. A pesar de que la ablación septal con alcohol y la miomectomía quirúrgica son las principales opciones terapéuticas para la MCH obstructiva, el manejo de los pacientes ancianos con MCH sigue siendo discutido. Un equipo multidisciplinar debe evaluar individualmente el caso en función de la presentación clínica, las comorbilidades, las características anatómicas y la experiencia de cada hospital.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hypertrophic cardiomyopathy]]></kwd>
<kwd lng="en"><![CDATA[HCM]]></kwd>
<kwd lng="en"><![CDATA[elderly]]></kwd>
<kwd lng="en"><![CDATA[alcohol septal ablation]]></kwd>
<kwd lng="es"><![CDATA[Miocardiopatía hipertrófica]]></kwd>
<kwd lng="es"><![CDATA[MCH]]></kwd>
<kwd lng="es"><![CDATA[adulto mayor]]></kwd>
<kwd lng="es"><![CDATA[ablación septal con alcohol]]></kwd>
</kwd-group>
</article-meta>
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