<?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>1405-9940</journal-id>
<journal-title><![CDATA[Archivos de cardiología de México]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Cardiol. Méx.]]></abbrev-journal-title>
<issn>1405-9940</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Cardiología Ignacio Chávez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-99402023000200139</article-id>
<article-id pub-id-type="doi">10.24875/acm.22000017</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Looking for a definition of aortic dilatation in overweight and obese individuals: body surface area-indexed values versus height-indexed diameters]]></article-title>
<article-title xml:lang="es"><![CDATA[En búsqueda de la definición de dilatación aórtica en individuos con sobrepeso y obesidad: rol de la indexación por altura. Análisis del Registro MATEAR]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Celeste-Carrero]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Constantin]]></surname>
<given-names><![CDATA[Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Masson]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benger]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cintora]]></surname>
<given-names><![CDATA[Federico]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Makhoul]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baratta]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bagnati]]></surname>
<given-names><![CDATA[Rodrigo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Asch]]></surname>
<given-names><![CDATA[Federico M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Sociedad Argentina de Cardiología Council of Echocardiography and Vascular Doppler Oscar Orías ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Sociedad Argentina de Cardiología Council of Echocardiography and Vascular Doppler Oscar Orías ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>93</volume>
<numero>2</numero>
<fpage>139</fpage>
<lpage>148</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-99402023000200139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-99402023000200139&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-99402023000200139&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Patient's body size is a significant determinant of aortic dimensions. Overweight and obesity underestimate aortic dilatation when indexing diameters by body surface area (BSA). We compared the indexation of aortic dimensions by height and BSA in subjects with and without overweight to determine the upper normal limit (UNL).  Methods: The MATEAR study was a prospective, observational, and multicenter study (53 echocardiography laboratories in Argentina). We included 879 healthy adult individuals (mean age: 39.7 ± 11.4 years, 399 men) without hypertension, bicuspid aortic valve, aortic aneurysm, or genetic aortopathies. Echocardiograms were acquired and proximal aorta measured at the sinus of Valsalva (SV), sinotubular junction (STJ), and ascending aorta (AA) levels (EACVI/ASE guidelines). We compared absolute and indexed aortic diameters by height and BSA between groups (men with body mass index [BMI] &lt; 25 and BMI &#8805; 25, women with BMI &lt; 25 and BMI &#8805; 25).  Results: Indexing of aortic diameters by BSA showed significantly lower values in overweight and obese subjects compared to normal weight in their respective gender (for women: SV 1.75 cm/m2 in BMI &lt; 25 vs. 1.52 cm/m2 in BMI between 25 and 29.9 vs. 1.41 cm/m2 in BMI &#8805; 30; at the STJ: 1.53 cm/m2 vs. 1.37 cm/m2 vs. 1.25 cm/m2; and at the AA: 1.63 cm/m2 vs. 1.50 cm/m2 vs. 1.37 cm/m2; all p &lt; 0.0001 and for men, all p &lt; 0.0001). These differences disappeared when indexing by height in both gender groups (all p = NS).  Conclusion: While indexing aortic diameters by BSA in obese and overweight subjects underestimate aortic dilation, the use of aortic height index (AHI) yields a similar UNL for individuals with normal weight, overweight, and obesity. Therefore, AHI could be used regardless of their weight.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: El tamaño corporal es un determinante significativo de las dimensiones aórticas. El sobrepeso lleva a subestimar la dilatación aórtica. La altura (A) permanece estable durante la adultez, por lo que sería útil para indexar diámetros aórticos en pacientes obesos, aunque desconocemos los valores normales. Comparamos la indexación de diámetros aórticos por (IA) y superficie corporal (SC) en sujetos con y sin sobrepeso para determinar el límite superior normal (LSN, P97.5).  Método: Se realizó un registro nacional, prospectivo, en 53 centros de Argentina. Se realizaron ecocardiogramas a 528 sujetos con índice de masa corporal (IMC) &gt; 25 y 351 sujetos con IMC &#8804; 25 seleccionados al azar. La población se subdividió en cuatro grupos según sexo e IMC y se compararon diámetros aórticos absolutos e indexados.  Resultados: Se incluyeron 879 individuos (39.7 ± 11.4 años, 399 hombres). La indexación de los diámetros aórticos por SC mostró valores significativamente más bajos en sujetos con sobrepeso y obesidad en comparación con los de peso normal en cada sexo. Estas diferencias desaparecieron al indexar por altura en ambos géneros (todos p = NS). El LSN de los diámetros IA fue de 2.20 cm/m para senos, 1.99 cm/m para unión sino-tubular (UST) y 2.09 cm/m para aorta ascendente.  Conclusiones: La indexación de los diámetros aórticos por SC en individuos con sobrepeso y obesidad subestima la dilatación aórtica. El IA permite establecer un LSN sin tener en cuenta el aumento espurio de la SC determinado por la grasa corporal. Podría ser utilizado en ambos sexos y de manera independiente del peso.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Aortic diameters]]></kwd>
<kwd lng="en"><![CDATA[Normal values]]></kwd>
<kwd lng="en"><![CDATA[Aorta]]></kwd>
<kwd lng="en"><![CDATA[Echocardiography]]></kwd>
<kwd lng="es"><![CDATA[Aorta torácica]]></kwd>
<kwd lng="es"><![CDATA[Técnicas diagnósticas cardiovasculares]]></kwd>
<kwd lng="es"><![CDATA[Obesidad]]></kwd>
<kwd lng="es"><![CDATA[Aorta]]></kwd>
<kwd lng="es"><![CDATA[Ecocardiografía]]></kwd>
</kwd-group>
</article-meta>
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