<?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>2448-8771</journal-id>
<journal-title><![CDATA[Anestesia en México]]></journal-title>
<abbrev-journal-title><![CDATA[Anest. Méx.]]></abbrev-journal-title>
<issn>2448-8771</issn>
<publisher>
<publisher-name><![CDATA[Federación Mexicana de Colegios de Anestesiología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-87712017000200018</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relación entre la circunferencia del cuello y vía aérea difícil en pacientes obesos]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alanís Uribe]]></surname>
<given-names><![CDATA[Karla]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerrero Morales]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Cruz]]></surname>
<given-names><![CDATA[José Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Alta Especialidad &#8220;Dr. Rafael Lucio&#8221;  ]]></institution>
<addr-line><![CDATA[Xalapa de Enriquez Veracruz]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Alta Especialidad &#8220;Dr. Rafael Lucio&#8221;  ]]></institution>
<addr-line><![CDATA[Xalapa de Enriquez Veracruz]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Alta Especialidad &#8220;Dr. Rafael Lucio&#8221;  ]]></institution>
<addr-line><![CDATA[Xalapa de Enriquez Veracruz]]></addr-line>
<country>México</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>29</volume>
<numero>2</numero>
<fpage>18</fpage>
<lpage>27</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-87712017000200018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-87712017000200018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-87712017000200018&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Evaluar la circunferencia del cuello como un componente clínico, que ayude a predecir una vía aérea difícil en el paciente obeso, sometido a intubación tranestesia general, para diversos procedimientos quirúrgicos.  Material y métodos: Se realizó un estudio experimental, aleatorizado, prospectivo, transversal, en pacientes obesos programados para cirugía electiva. Se estudiaron 90 pacientes. Para correlacionar la circunferencia del cuello con la dificultad para intubación, mediante laringoscopia directa, utilizando un laringoscopio convencional.  Resultados: La edad que predomino fueron pacientes entre 40 a 49 años. Peso de 80 a 99 kg. Talla de 150 a 199 cm. índice de masa coarporal de 30 a 34.9 cm, ASA II. 28 pacientes presentaron dificultad para ventilarlos y 16 para la intubación, uno no fue possible intubarlo y se manejo con mascarilla laringea. La mayoría corresponde a circunferencia de cuello de 45 o más cm. La relación de momios o OR fue de 1.4.  Conclusión:  No existe asociación entre la circunferencia del cuello y vía aérea difícil en pacientes obesos, pero si un marcado aumento de riesgo de enfrentarse a una intubación dificil. La medición de la circunferencia del cuello asociada a otras escalas convencionales, pueden mejorar la exactitud y el valor diagnóstico de estas en el paciente obeso.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  To evaluate the circumference of the neck as a clinical component, which helps predict a difficult airway in the obese patient, undergoing intubation and general anesthesia, for various surgical procedures.  Material and methods: An experimental study, randomized, prospective, was performed in obese patients scheduled for elective surgery. Ninety patients were studied. To correlate the circumference of the neck with the difficulty forintubation with direct laryngoscopy, using a conventional laryngoscope.  Results: The predominant patients were age 40 to 49, with 80 to 99 kg weight. Size of 150 to 199 cm, index of coarporal mas of 30 to 34.9 cm, ASA II. Twenty eight patients presented difficulty to be ventilated and sixteen for intubation, one was not possible to intubate and was operated with laryngeal mask. Most corresponds to the circumference of necks of forty five or more cm. The odds ratio or OR was 1.4.  Conclusion: There is no association between neck circumference and difficult airway in obese patients, but there is a marked increase in risk of facing a difficult intubation. The measurement of the circumference of the neck associated with other conventional scales, can improve the accuracy and the diagnostic value of these in the obese patient.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Vía aérea difícil]]></kwd>
<kwd lng="es"><![CDATA[obesidad]]></kwd>
<kwd lng="es"><![CDATA[circunferencia del cuello]]></kwd>
<kwd lng="en"><![CDATA[Difficult airway]]></kwd>
<kwd lng="en"><![CDATA[obesity]]></kwd>
<kwd lng="en"><![CDATA[neck circumference]]></kwd>
</kwd-group>
</article-meta>
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