<?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>0300-9041</journal-id>
<journal-title><![CDATA[Ginecología y obstetricia de México]]></journal-title>
<abbrev-journal-title><![CDATA[Ginecol. obstet. Méx.]]></abbrev-journal-title>
<issn>0300-9041</issn>
<publisher>
<publisher-name><![CDATA[Federación Mexicana de Colegios de Obstetricia y Ginecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0300-90412022000800639</article-id>
<article-id pub-id-type="doi">10.24245/gom.v90i8.7796</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Valores de la gasometría arterial en pacientes embarazadas con preeclampsia severa]]></article-title>
<article-title xml:lang="en"><![CDATA[Arterial blood gas parameters in pregnant patients with severe preeclampsia.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Rodríguez]]></surname>
<given-names><![CDATA[Juan Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortíz-Vargas]]></surname>
<given-names><![CDATA[Viridiana Abigahil]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Aguilar]]></surname>
<given-names><![CDATA[Francisco Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chablé-Chan]]></surname>
<given-names><![CDATA[Fabián Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serrano-Rodríguez]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arredondo-Andrade]]></surname>
<given-names><![CDATA[Silvia Acened]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Centro Médico Nacional La Raza ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>90</volume>
<numero>8</numero>
<fpage>639</fpage>
<lpage>646</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0300-90412022000800639&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0300-90412022000800639&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0300-90412022000800639&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  OBJETIVO: Determinar e interpretar los valores de la gasometría arterial en pacientes embarazadas con preeclampsia severa.  MATERIALES Y MÉTODOS:  Estudio observacional, transversal, retrospectivo y descriptivo llevado a cabo en pacientes con más o menos 20 semanas de embarazo y diagnóstico establecido de preeclampsia severa atendidas en la unidad de cuidados intensivos entre el 1 de julio y el 31 de diciembre del 2019. Los datos generales, la condición obstétrica, los estudios de laboratorio clínico y los valores de la gasometría arterial se documentaron conforme a lo registrado en los expedientes clínicos. Se utilizó estadística descriptiva y los datos se procesaron en el programa SPSS versión 20.  RESULTADOS: Se estudiaron 30 pacientes con media de edad de 31.6 ± 6.85 años, mediana de paridad 1, todas con feto único de 33.89 ± 3.43 semanas y residencia en la Ciudad de México. Los valores de la gasometría arterial fueron: pH 7.41 ± 0.08, presión parcial de dióxido de carbono 25.51 ± 6.12 mmHg, presión parcial de oxígeno 85.24 ± 41.81 mmHg, hematocrito 33.86 ± 7.51%, ión carbonato 16.95 ± 5.13 mmol/L, patrón de bicarbonato estandarizado 19.04 ± 2.50 mmol/L, gases de efecto invernadero 16.94 ± 2.51 mmHg, exceso de base del fluido extracelular -7.72 ± 5.60 mmol/L, BE (B) -7.36 ± 3.07 mmol/L, porcentaje de saturación de oxígeno 93 ± 8.29, hemoglobina total en la gasometría arterial 10.64 ± 2.36 g/dL, gradiente alvéolo-arterial de oxígeno 49.43 ± 10.98 mmHg, presión parcial de oxígeno 140.43 ± 106.93 mmHg, concentraciones de dióxido de carbono 0.79 ± 0.28 mmHg e Índice respiratorio 0.95 ± 2.57.  CONCLUSIONES: Los resultados corresponden a un patrón gasométrico de acidosis metabólica compensada.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  OBJECTIVE: To determine and interpret arterial blood gas values in pregnant patients with severe preeclampsia.  MATERIALS AND METHODS: study carry out in a series of 30 patients with a pregnancy &#8805; 20 weeks and an established diagnosis of SP admitted to the Intensive Care Unit from July 1 to December 31, 2019, in whom arterial blood gases are part of the routine studies upon admission to the ICU. Patients with recurrence of preeclampsia, eclampsia and HELLP syndrome or with metabolic, respiratory, cardiological and renal morbidities affecting arterial blood gas values were excluded. The general data, obstetric condition, clinical laboratory and arterial blood gas values were documented from the clinical records. Statistical analysis: descriptive statistics were used with the statistical package SPSS version 20.  RESULTS: Thirty patients were studied, with a mean age of mean age 31.6 ± 6.85 years, median parity 1, all with a single product of 33.89±3.43 weeks and residence in Mexico City 31.37 ± 7 years. Arterial blood gas values were: pH 7.41 ± 0.08, PCO2 25.51 ± 6.12 mmHg, PO2 85.24 ± 41.81 mmHg, Hct 33.86 ± 7.51%, HCO3- 16.95 ± 5.13 mmol/L, HCO3- std 19.04 ± 2.50 mmol/L, TCO2 16.94 ± 2.51 mmHg, BE ecf -7.72 ± 5.60 mmol/L, BE (B) -7.36 ± 3.07 mmol/L, SO2c% 93 ± 8.29%, THbc 10.64 ± 2.36 g/dL, Aa DO2 49.43 ± 10.98 mmHg, pAO2 140.43 ± 106.93 mmHg, PaO2/PAO2 0.79 ± 0.28 mmHg and Respiratory Index 0.95 ± 2.57.  CONCLUSIONS:  The results correspond to a gasometric pattern of compensated metabolic acidosis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Gases en sangre arterial]]></kwd>
<kwd lng="es"><![CDATA[preeclampsia severa]]></kwd>
<kwd lng="es"><![CDATA[acidosis metabólica]]></kwd>
<kwd lng="es"><![CDATA[embarazo de alto riesgo]]></kwd>
<kwd lng="es"><![CDATA[cuidados intensivos en obstetricia]]></kwd>
<kwd lng="en"><![CDATA[Arterial blood gases]]></kwd>
<kwd lng="en"><![CDATA[Severe preeclampsia]]></kwd>
<kwd lng="en"><![CDATA[Metabolic acidosis]]></kwd>
<kwd lng="en"><![CDATA[High risk pregnancy]]></kwd>
<kwd lng="en"><![CDATA[Intensive care in obstetrics]]></kwd>
</kwd-group>
</article-meta>
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