<?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>2448-8909</journal-id>
<journal-title><![CDATA[Medicina crítica (Colegio Mexicano de Medicina Crítica)]]></journal-title>
<abbrev-journal-title><![CDATA[Med. crít. (Col. Mex. Med. Crít.)]]></abbrev-journal-title>
<issn>2448-8909</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Medicina Crítica A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-89092024000700600</article-id>
<article-id pub-id-type="doi">10.35366/119535</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Técnica alternativa para medir con precisión el diámetro máximo de la vena cava inferior por ultrasonido en pacientes críticos]]></article-title>
<article-title xml:lang="en"><![CDATA[Alternative technique to presumptuously measure the maximum diameter of the inferior vena cava by ultrasound in critically ill patients]]></article-title>
<article-title xml:lang="pt"><![CDATA[Técnica alternativa para medir com precisão o diâmetro máximo da veia cava inferior por ultrassom em pacientes em estado crítico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Hernández]]></surname>
<given-names><![CDATA[Nadia Yadira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montelongo]]></surname>
<given-names><![CDATA[Felipe de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A3"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo Ayala]]></surname>
<given-names><![CDATA[Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lázaro Montes de Oca]]></surname>
<given-names><![CDATA[Erick Josué]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Pérez]]></surname>
<given-names><![CDATA[María Magdalena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Herrera Morales]]></surname>
<given-names><![CDATA[Blanca Estela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Instituto de Salud del Estado de México Hospital General «Las Américas»]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General de Zona No. 197 ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital General Regional No. 196 ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2024</year>
</pub-date>
<volume>38</volume>
<numero>7</numero>
<fpage>600</fpage>
<lpage>603</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092024000700600&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092024000700600&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092024000700600&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  en el paciente críticamente enfermo es de vital importancia realizar ultrasonido al pie de la cama y la medición del diámetro de la vena cava inferior es útil para valorar si un paciente está hipovolémico, normovolémico e hipervolémico; una alta proporción de pacientes requerirá administración de terapia hídrica y casi todos los que ingresan a la Unidad de Cuidados Intensivos por estado choque; por consiguiente, la medición de la vena cava es de vital importancia. Sin embargo, de manera tradicional se mide la vena cava en su eje longitudinal en la ventana subxifoidea apoyándose en el hemiabdomen superior, en el cual el movimiento del transductor fuera de la línea media da como resultado la medición de un diámetro falso que es más pequeño que el diámetro verdadero máximo de la vena cava inferior y, por tanto, al medir la vena cava de forma transversal mejoraría la orientación espacial y sería preciso.  Material y métodos:  fueron evaluados 47 pacientes en la Unidad de Cuidados Intensivos, comparando el diámetro máximo de la vena cava de manera longitudinal versus de forma transversal. Para el análisis estadístico se realizó una prueba de t de Student para muestras relacionadas.  Resultados:  se encontró una correlación media de hasta 47.6%, por lo que no hay diferencia significativa entre ambas técnicas, es decir, el medirlo en forma transversal es igual al método tradicional; sin embargo, es necesario más muestra de pacientes para ser concluyentes.  Conclusiones:  consideramos que la medición de la vena cava de forma transversal puede ser una nueva alternativa para saber el estado de volemia del paciente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  in critically ill patients it is of vital importance to perform ultrasound at the bedside and the measurement of the diameter of the inferior vena cava is useful to assess whether a patient is hypovolemic, normovolemic or hypervolemic, in most cases therefore in a high proportion of patients will require the administration of fluid therapy and almost all of those admitted to the intensive care unit due to shock; therefore, taking into account the above, the measurement of the vena cava is of vital importance, however traditionally the vena cava is measured in its longitudinal axis in the subxiphoid window resting on the upper hemiabdomen in which the movement of the transducer outside the midline results in the measurement of a false diameter that is smaller than the true maximum diameter of the inferior vena cava, and therefore measuring the vena cava transversely would improve spatial orientation and would be precise.  Material and methods:  in the present study, 47 patients were evaluated in the intensive care unit, comparing the maximum diameter of the vena cava longitudinally versus transversally. A Student t test for related samples was performed as a statistical method.  Results:  a mean correlation of up to 47.6% was found, so there is no significant difference between both techniques, meaning that measuring it transversally is equal to the traditional method; however, more patient samples are needed to be conclusive.  Conclusions:  we consider that measuring the vena cava transversally may be a new alternative to determine the patient&#8217;s blood volume status.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  em pacientes em estado crítico, é de vital importância a realização de ultrassonografia ao pé da cama e a medição do diâmetro da veia cava inferior é útil para avaliar se um paciente está hipovolêmico, normovolêmico ou hipervolêmico, na maioria dos casos, portanto, uma grande proporção de pacientes necessitará da administração de hidroterapia e quase todos aqueles que entram na unidade de terapia intensiva devido ao choque; Portanto, levando em consideração o exposto, a medida da veia cava é de vital importância, porém tradicionalmente a veia cava é medida em seu eixo longitudinal na janela subxifóide, apoiada no hemiabdômen superior em que o movimento do transdutor para fora da linha média resulta na medição de um falso diâmetro menor do que o diâmetro verdadeiro máximo da veia cava inferior, e, por conseguinte, a medição da veia cava transversalmente melhoraria a orientação espacial e seria exata.  Material e métodos:  neste estudo, foram avaliados 47 pacientes internados na unidade de terapia intensiva, comparando o diâmetro máximo da veia cava longitudinalmente versus transversalmente, utilizando como método estatístico o teste t de Student para amostras relacionadas.  Resultados:  foi encontrada uma correlação média de até 47.6%, pelo que não há diferença significativa entre as duas técnicas, ou seja, a medição transversal é igual à do método tradicional, mas é necessária uma amostra maior de pacientes para ser conclusiva.  Conclusões:  os autores acreditam que a medição transversal da veia cava pode ser uma nova alternativa para determinar o estado da volemia do paciente.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[vena cava inferior]]></kwd>
<kwd lng="es"><![CDATA[diámetro longitudinal]]></kwd>
<kwd lng="es"><![CDATA[diámetro transversal]]></kwd>
<kwd lng="es"><![CDATA[ultrasonografía Point-of-Care]]></kwd>
<kwd lng="es"><![CDATA[volumen intravascular]]></kwd>
<kwd lng="en"><![CDATA[inferior vena cava]]></kwd>
<kwd lng="en"><![CDATA[longitudinal diameter]]></kwd>
<kwd lng="en"><![CDATA[transversal diameter]]></kwd>
<kwd lng="en"><![CDATA[Point-of-Care ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[intravascular volume]]></kwd>
<kwd lng="pt"><![CDATA[veia cava inferior]]></kwd>
<kwd lng="pt"><![CDATA[diâmetro longitudinal]]></kwd>
<kwd lng="pt"><![CDATA[diâmetro transversal]]></kwd>
<kwd lng="pt"><![CDATA[ultrassonografia point of care]]></kwd>
<kwd lng="pt"><![CDATA[volume intravascular]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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