<?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>S2448-89092016000300183</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Asociación de la presión arterial sistólica con complicaciones intracraneales y mortalidad intrahospitalaria en pacientes con hemorragia subaracnoidea Fisher IV]]></article-title>
<article-title xml:lang="en"><![CDATA[Association systolic blood pressure with intracranial complications and mortality hospital in patients with subarachnoid hemorrhage Fisher IV]]></article-title>
<article-title xml:lang="pt"><![CDATA[Associação da pressão arterial sistólica com as complicações intracranianas e mortalidade intra-hospitalar em pacientes com hemorragia subaracnóidea Fisher IV]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Pérez]]></surname>
<given-names><![CDATA[Netzahualcóyotl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Porcayo Liborio]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera Durón]]></surname>
<given-names><![CDATA[Erika]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Neurología y Neurocirugía «Manuel Velasco Suárez»  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>30</volume>
<numero>3</numero>
<fpage>183</fpage>
<lpage>186</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-89092016000300183&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-89092016000300183&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-89092016000300183&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: La magnitud del control de la presión arterial para reducir el riesgo de complicaciones intracraneales y mortalidad en hemorragia subaracnoidea aneurismática (HSAa) de alto grado está subestimada.  Hipótesis:  La presión arterial sistólica (PAS) mayor de 160 mmHg se asocia a la presencia de complicaciones intracraneales y mortalidad intrahospitalaria en pacientes con HSAa Fisher IV.  Objetivo: Analizar la asociación de la PAS a la presencia de complicaciones intracraneales y mortalidad intrahospitalaria en pacientes con HSAa Fisher IV.  Material y métodos:  Estudio observacional, retrospectivo y comparativo, de agosto de 2014 a septiembre de 2015. 36 pacientes con HSAa Fisher IV ingresaron a la unidad de neurocríticos del Instituto Nacional de Neurología y Neurocirugía, se formaron dos grupos con base en la PAS mayor o menor de 160 mmHg, se identificó la asociación de complicaciones intracraneales utilizando la prueba de chi-cuadrada y se calculó la probabilidad de supervivencia individual acumulada en los días de estancia hospitalaria con el método Kaplan-Meier, verificando su significancia estadística mediante prueba Long Rank.  Conclusión: En HSAa Fisher IV la PAS mayor de 160 mmHg se asocia a resangrado (p = 0.05) y menor sobrevida (p = 0.04).]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction: The magnitude of the control of blood pressure to reduce the risk of intracranial complications and mortality in aneurysmal subarachnoid hemorrhage (aASH) of high degree is underestimated.  Hypothesis:  Systolic blood pressure (SBP) greater than 160 mmHg is associated with the presence of intracranial complications and hospital mortality in patients with HSAA Fisher IV.  Objective:  To analyze the association of SBP with the presence of intracranial complications and hospital mortality in patients with aASH Fisher IV.  Material and methods:  An observational, retrospective, comparative, from August 2014 to September 2015. Were 36 patients with aASH Fisher IV admitted to the unit neurocritical of the National Institute of Neurology and Neurosurgery, forming two groups, based on SBP higher or lower than 160 mmHg, the association of intracranial complications was identified using the chi-square and the likelihood of individual survival accumulated in the days of hospital stay with the Kaplan-Meier method was calculated by verifying Long Rank test statistical significance.  Conclusion:  In aASH Fisher IV as SBP greater than 160 mmHg is associated with rebleeding (p = 0.05) and lower survival (p = 0.04).]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução:  A magnitude do controle da pressão arterial para reduzir o risco de complicações intracranianas e mortalidade na hemorragia do aneurisma subaracnóidea (HSAa) de alto grau é subestimado.  Hipótese:  A pressão arterial sistólica (PAS) maior a 160 mmHg está associada com a presença de complicações intracranianas e mortalidade hospitalar em pacientes com HSAa Fisher IV.  Objetivo:  Analisar a associação de PAS com a presença de complicações intracranianas e mortalidade hospitalar em pacientes com HSAa Fisher IV.  Metodo:  Estudo observacional, retrospectivo, comparativo de agosto de 2014 a setembro de 2015. 36 pacientes com HSAa Fisher IV internados na unidade critica neurológica do Instituto Nacional de Neurologia e Neurocirurgia, formando dois grupos com base na PAS maior ou menor a 160 mmHg, associação de complicações intracranianas foi identificado pelo teste do Qui-quadrado e a probabilidade de sobrevivência individual acumulado nos dias de internação com o método de Kaplan-Meier, a significância estatística foi verificada pelo teste de Log Rank.  Conclusão:  Em HSAa Fisher IV, a PAS maior a 160 mmHg, está associada com novo sangramento (p = 0.05) e menor sobrevida (p = 0.04).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hemorragia subaracnoidea]]></kwd>
<kwd lng="es"><![CDATA[morbimortalidad en hemorragia subaracnoidea]]></kwd>
<kwd lng="es"><![CDATA[sobrevida en hemorragia subaracnoidea]]></kwd>
<kwd lng="en"><![CDATA[Subarachnoid hemorrhage]]></kwd>
<kwd lng="en"><![CDATA[subarachnoid hemorrhage morbidity and mortality]]></kwd>
<kwd lng="en"><![CDATA[survival in SAH]]></kwd>
<kwd lng="pt"><![CDATA[Hemorragia subaracnóidea]]></kwd>
<kwd lng="pt"><![CDATA[morbimortalidade em hemorragia subaracnóidea]]></kwd>
<kwd lng="pt"><![CDATA[sobrevivência em hemorragia subaracnóidea]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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