<?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>0186-4866</journal-id>
<journal-title><![CDATA[Medicina interna de México]]></journal-title>
<abbrev-journal-title><![CDATA[Med. interna Méx.]]></abbrev-journal-title>
<issn>0186-4866</issn>
<publisher>
<publisher-name><![CDATA[Edición y Farmacia S.A. de C.V.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0186-48662017000300310</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Eficacia de la profilaxis con haloperidol vs placebo en la prevención de delirio en pacientes con alto riesgo de padecerlo hospitalizados en el servicio de Medicina Interna]]></article-title>
<article-title xml:lang="en"><![CDATA[Efficacy of prophylaxis with haloperidol vs placebo in the prevention of delirium in patients with risk of suffering it hospitalized in an Internal Medicine service]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruíz-Dangú]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tamayo-Illescas]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vargas-Ayala]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-López]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Saab]]></surname>
<given-names><![CDATA[NG]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Secretaría de Salud de la Ciudad de México Hospital General Ticomán ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Secretaría de Salud de la Ciudad de México Hospital General Ticomán ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,Secretaría de Salud de la Ciudad de México Hospital General Xoco ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>33</volume>
<numero>3</numero>
<fpage>310</fpage>
<lpage>322</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0186-48662017000300310&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0186-48662017000300310&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0186-48662017000300310&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  ANTECEDENTES: el delirio es un síndrome clínico transitorio y reversible, ocurre frecuentemente en el marco de un proceso de enfermedad aguda, se caracteriza por la alteración de la conciencia que se acompaña de un cambio en las funciones cognoscitivas, sobreviene a lo largo de un breve periodo, habitualmente horas o días, y tiende a fluctuar a lo largo del día. El delirio constituye un problema de salud pública importante, se considera predictor independiente de resultados clínicos negativos con incremento de la mortalidad, la estancia hospitalaria, el costo de la atención y el deterioro cognitivo a largo plazo. La evidencia disponible no apoya la administración de medicamentos para prevenir el delirio en el paciente con enfermedad aguda.  OBJETIVO: comprobar la seguridad y eficacia de haloperidol para el tratamiento y profilaxis del delirio.  MATERIAL Y MÉTODO: ensayo clínico controlado, prospectivo, transversal, comparativo, en el que se estudiaron pacientes hospitalizados en el servicio de Medicina Interna del Hospital General Xoco de la Secretaría de Salud de la Ciudad de México, se calculó la escala PREDELIRIC al ingreso de los pacientes; se incluyeron en el estudio los pacientes con riesgo alto de delirio (PREDELIRIC &gt;50%). Los pacientes se distribuyeron al azar en dos grupos, en el grupo 1 se aplicaron medidas no farmacológicas de prevención de delirio más la administración de haloperidol profiláctico y el grupo 2 recibió medidas no farmacológicas de prevención de delirio más placebo.  RESULTADOS: se incluyeron 84 pacientes, distribuidos en dos grupos, cada uno con 42 pacientes, de los que 33 (40%) eran hombres. El 42% padeció delirio, el tipo mixto fue el más común. La profilaxis con haloperidol no demostró disminuir la incidencia de delirio (54 vs 46%, p=0.51) en comparación con el grupo control. El haloperidol profiláctico no ofreció diferencias significativas comparado con placebo en retrasar el inicio del delirio (media de 6.3 vs 6.8 días, p=0.98), en los días de estancia hospitalaria (mediana 9.5 vs 12 días, p=0.56) o en la duración del delirio (media 3 vs 3.5 días, p=0.32); tampoco tuvo efecto en la mortalidad (20 vs 10%, p=0.21). No se informaron efectos secundarios con la administración de haloperidol.  CONCLUSIONES: la administración de haloperidol para la prevención del delirio en pacientes con riesgo alto de padecerlo no demostró diferencia significativa en comparación con el placebo en disminuir la incidencia de delirio, en retrasar el inicio de los síntomas, en la reducción de su duración, en reducir los días de estancia hospitalaria ni en la mortalidad. De acuerdo con nuestros resultados, por el momento no es posible recomendar la administracion de haloperidol en la profilaxis de delirio en pacientes con riesgo alto de padecerlo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  BACKGROUND: Delirium is a clinical transitory and reversible syndrome, occurs frequently in a setting of an acute disease process, it is characterized by the disorder of the consciousness accompanied by a change in the cognitive functions, it occurs throughout a brief period, usually hours or days and tends to vary during the day. Delirium is an important public health problem and it is considered independent predictor of negative clinical results with increased mortality, hospital stay, attention cost and cognitive damage to long-term. The available evidence does not support the administration of drugs to prevent delirium in patients with acute disease.  OBJECTIVE: To prove the safety and efficacy of haloperidol for the treatment and prophylaxis of delirium.  MATERIAL AND METHOD: A clinical, controlled, prospective, cross-sectional, comparative study was done, in which patients hospitalized at Internal Medicine service of General Hospital Xoco, Mexico City, were included. Scale PREDELIRIC was calculated at the entering of patients, including in the study those with high risk of delirium (PRE-DELIRIC &gt;50%). Patients were randomly distributed into two groups, in the group 1 non pharmacological measures of delirium prevention were applied plus the administration of prophylactic haloperidol and group 2 was given non pharmacological measures of delirium prevention plus placebo.  RESULTS: There were included 84 patients, distributed into two groups, each one with 42 patients, from which 33 (40%) were male; 42% suffer delirium, mix type was the most common. Prophylaxis with haloperidol did not show to reduce the incidence of delirium (54% vs 46%, p=0.51) compared with control group. Prophylactic haloperidol did not show significant differences compared to placebo in delaying the beginning of delirium (mean of 6.3 days vs 6.8 days, p=0.98), in days of hospital stay (mean 9.5 vs 12 days, p=0.56), or in the lasting of delirium (mean 3 vs 3.5 days, p=0.32). Prophylaxis with haloperidol did not show either effect on mortality (20% vs 10%, p=0.21). There were not secondary effects with haloperidol.  CONCLUSIONS: Haloperidol administration to prevent delirium in patients with high risk of having it did not show significant difference compared to placebo in reducing delirium incidence, delaying the starting of symptoms, in reducing their lasting, in reducing the hospital stay nor in reducing mortality. According to our results, by now it is not possible to recommend the administration of haloperidol in the prophylaxis of delirium in patients with high risk of having it.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[delirio]]></kwd>
<kwd lng="es"><![CDATA[profilaxis]]></kwd>
<kwd lng="es"><![CDATA[haloperidol]]></kwd>
<kwd lng="en"><![CDATA[delirium]]></kwd>
<kwd lng="en"><![CDATA[prophylaxis]]></kwd>
<kwd lng="en"><![CDATA[haloperidol]]></kwd>
</kwd-group>
</article-meta>
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