<?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>S2448-89092024000300198</article-id>
<article-id pub-id-type="doi">10.35366/117784</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Balón esofágico: su utilidad en el monitoreo del paciente obeso con ventilación mecánica]]></article-title>
<article-title xml:lang="en"><![CDATA[Esophageal balloon: use in monitoring in the mechanically ventilated obese patient]]></article-title>
<article-title xml:lang="pt"><![CDATA[Balão esofágico: sua utilidade no monitoramento do paciente obeso com ventilação mecânica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Segura Llamas]]></surname>
<given-names><![CDATA[Viridiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Martínez]]></surname>
<given-names><![CDATA[Karen Itzel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales Ramírez]]></surname>
<given-names><![CDATA[Jonathan David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez Crespo]]></surname>
<given-names><![CDATA[Abraham]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Médico Naval Secretaría de Marina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</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>3</numero>
<fpage>198</fpage>
<lpage>202</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092024000300198&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092024000300198&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092024000300198&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La monitorización del paciente obeso representa grandes retos para el médico intensivista debido a las alteraciones fisiológicas que presentan y al marcado incremento poblacional de pacientes con obesidad en las unidades de cuidados críticos, secundario a las barreras que imponen la fisiología del paciente obeso, la medición de la presión pleural resultaría ideal en este tipo de pacientes; sin embargo, dada la imposibilidad práctica de medirla de manera directa, la presión esofágica como variable indirecta toma un papel fundamental. La medición indirecta de la presión pleural a través de la presión esofágica permite el cálculo de la presión transpulmonar, la cual se vuelve fundamental para la comprensión y el análisis de la mecánica respiratoria en estos pacientes. La titulación segura de presión positiva al final de la espiración (PEEP) en el paciente obeso, la cual debe ser guiada por balón esofágico con el objetivo de obtener un patrón respiratorio óptimo, y con la presión transpulmonar (PTP) más baja que permita un volumen tidal de protección constante y una mejor oxigenación. En el transcurso del presente trabajo abordaremos la fisiología de la presión esofágica y así como la importancia que tiene en el paciente obeso con ventilación mecánica, y finalizaremos con un resumen de la literatura correspondiente, con los aspectos técnicos asociados con su uso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The monitoring of obese patients represents great challenges for the intensive care physician, due to the physiological alterations presented by these patients and the marked increase in the population of patients with obesity in critical care units, secondary to the barriers imposed by the physiology of obese patients, the measurement of pleural pressure, which is a fundamental physiological measurement in each breath, would be ideal in this type of patient. Given the practical impossibility of measuring it directly, esophageal pressure as an indirect variable takes on a fundamental role. The indirect measurement of pleural pressure through esophageal pressure allows the calculation of transpulmonary pressure, which becomes fundamental for the understanding and analysis of respiratory mechanics in these patients. The secure degree of positive end-expiratory pressure (PEEP) in the obese patient, which must be guided by an esophageal balloon in order to obtain a pattern optimal respiratory rate, and with the lowest transpulmonary pressure (PTP) that allows a constant protective tidal volume and better oxygenation. In the course of this paper we will discuss the physiology of esophageal pressure and its importance in the obese patient on mechanical ventilation, and we will conclude with a summary of the corresponding literature, with the technical aspects associated with its use.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: O acompanhamento de pacientes obesos representa grandes desafios para o médico intensivista devido às alterações fisiológicas que apresentam e ao aumento acentuado da população de pacientes com obesidade em unidades de cuidados intensivos, secundário às barreiras impostas pela fisiologia do paciente obeso, a medição da pressão pleural seria ideal neste tipo de paciente; porém, dada a impossibilidade prática de medi-la diretamente, a pressão esofágica como variável indireta desempenha um papel fundamental. A medida indireta da pressão pleural através da pressão esofágica permite o cálculo da pressão transpulmonar, o que se torna essencial para a compreensão e análise da mecânica respiratória nesses pacientes. Titulação segura da pressão positiva expiratória final (PEEP) em pacientes obesos, que deve ser guiada por balão esofágico com o objetivo de obter um padrão respiratório ideal, e com a menor pressão transpulmonar (PTP) que permita um volume corrente protetor constante e melhor oxigenação. No decorrer deste trabalho abordaremos a fisiologia da pressão esofágica e a importância que esta tem nos pacientes obesos em ventilação mecânica, e concluiremos com um resumo da literatura correspondente, com os aspectos técnicos associados à sua utilização.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[obesidad]]></kwd>
<kwd lng="es"><![CDATA[presión esofágica]]></kwd>
<kwd lng="es"><![CDATA[ventilación mecánica]]></kwd>
<kwd lng="es"><![CDATA[balón esofágico]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[esophageal pressure]]></kwd>
<kwd lng="en"><![CDATA[mechanical ventilation]]></kwd>
<kwd lng="en"><![CDATA[esophageal balloon]]></kwd>
<kwd lng="pt"><![CDATA[obesidade]]></kwd>
<kwd lng="pt"><![CDATA[pressão esofágica]]></kwd>
<kwd lng="pt"><![CDATA[ventilação mecânica]]></kwd>
<kwd lng="pt"><![CDATA[balão esofágico]]></kwd>
</kwd-group>
</article-meta>
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