<?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>1028-4818</journal-id>
<journal-title><![CDATA[Multimed]]></journal-title>
<abbrev-journal-title><![CDATA[Multimed]]></abbrev-journal-title>
<issn>1028-4818</issn>
<publisher>
<publisher-name><![CDATA[Centro Provincial de Información de Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1028-48182021000200009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones en el electroencefalograma cuantitativo en relación con la coherencia en pacientes con demencia Alzheimer]]></article-title>
<article-title xml:lang="en"><![CDATA[Quantitative electroencephalogram alterations according to coherency in patients with Alzheimer dementia]]></article-title>
<article-title xml:lang="pt"><![CDATA[Alterações no eletroencefalograma quantitativo em relação à coerência em pacientes com demência de Alzheimer]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jacas Cabrera]]></surname>
<given-names><![CDATA[Angela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oduardo Aguilar]]></surname>
<given-names><![CDATA[Mabel Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Verdecia Aguilar]]></surname>
<given-names><![CDATA[Merlin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Granma Hospital General Universitario Carlos Manuel de Céspedes ]]></institution>
<addr-line><![CDATA[Bayamo Granma]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2021</year>
</pub-date>
<volume>25</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1028-48182021000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1028-48182021000200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1028-48182021000200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la demencia y dentro de ella la enfermedad de Alzheimer es un síndrome clínico caracterizado por un deterioro persistente y adquirido de las funciones cerebrales superiores.  Objetivo: identificar alteraciones en el electroencefalograma cuantitativo respecto a la variable coherencia interhemisférica en estos pacientes.  Métodos:  estudio descriptivo de corte transversal realizado en el Hospital General Universitario ¨Carlos Manuel de Céspedes¨ de Bayamo, provincia de Granma, en el período comprendido desde 1ro de enero del 2016 a 1ro mayo del 2018. Se estudiaron de forma prospectiva 40 pacientes con posible demencia Alzheimer atendidos en la consulta de Neurología. Determinándose las variables electroencefalográficas: banda y coherencia interhemisférica. Se emplearon pruebas paramétricas y no paramétricas, aplicándose el método de ajuste de Bonferroni.  Resultados:  predominó el grupo de edades de 60 a 64 años y el sexo femenino. Existieron diferencias significativas respecto a la coherencia interhemisférica en las cuatro bandas de frecuencia teniendo en cuenta los grupos de edades, sexo y lóbulos cerebrales (p&#706;0.01).  Conclusiones: es posible identificar alteraciones en el electroencefalograma cuantitativo en relación con la coherencia interhemisférica en pacientes condemencia Alzheimer, permitiendo establecer diferencias en cuanto al sexo y a los distintos lóbulos cerebrales para cada banda de frecuencias. Caracterizando desde el punto de vista electroencefalográfico la enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Alzheimer dementia is a clinical syndrome characterized by a persistent and acquire cerebral dysfunctions.  Objective:  identify alterations in quantitative electroencephalograms according to interhemispheric coherency was our objective.  Methods: a descriptive study with transversal cortes was carried out in Carlos Manuel of Cespedes hospital in Bayamo of Granma province, in the period of January (2016) to May (2018). We determinated the electroencephalographic variables: bands and interhemispheric coherency. We used statistical methods with a parametric and no parametric tests according our muestric.  Results: the age group of 60 to 64 years and the female sex predominated. There were significant differences regarding interhemispheric coherence in the four frequency bands taking into account the age groups, sex and brain lobes (p&#706;0.01)..  Conclusions:  It is possible to identify alterations in the quantitative electroencephalogram in relation to interhemispheric coherence in patients with Alzheimer's disease, allowing to establish differences regarding sex and the different brain lobes for each frequency band. Characterizing the disease from the electroencephalographic point of view.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO  Introdução: a demência e dentro de la a doença de Alzheimer é uma síndrome clínica caracterizada por uma deterioração persistente e adquirida das funções cerebrais superiores.  Objetivo:  esta pesquisa é realizada como objetivo de identificar alterações no eletroencefalograma quantitativo quanto à variável de coerência inter-hemisférica nesses pacientes.  Métodos: estudo descritivo transversal realizado no Hospital Geral da Universidade ¨Carlos Manuel de Céspedes¨ em Bayamo, província de Granma, no período de 1 de janeiro de 2016 a 1 de maio de 2018. Foram estudados prospectivamente 40 pacientes com possível demência em tratamento no Consulta de neurologia. Determinação das variáveis &#8203;&#8203;eletroencefalográficas: banda e coerência inter-hemisférica. Foram utilizados testes paramétricos e não paramétricos, aplicando-se o método de ajuste de Bonferroni.  Resultados:  predominou a faixa etária de 60 a 64 anos e o sexo feminino. Houve diferenças significativas em relação à coerência inter-hemisférica nasquatro bandas de frequência levando em consideração as faixas etárias, sexo e lobos cerebrais (p&#706;0,01).  Conclusões:  épossível identificar alterações no eletroencefalograma quantitativo em relação à coerência inter-hemisférica em pacientes com doença de Alzheimer, permitindo estabelecer diferenças quanto ao sexo e aos diferentes lobos cerebrais para cada faixa de frequência. Caracterizando a doença do ponto de vista eletroencefalográfico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Electroencefalograma cuantitativo]]></kwd>
<kwd lng="es"><![CDATA[Coherencia interhemisférica]]></kwd>
<kwd lng="es"><![CDATA[Demencia alzheimer]]></kwd>
<kwd lng="en"><![CDATA[Quantitative electroencephalograms]]></kwd>
<kwd lng="en"><![CDATA[Interhemispheric coherency]]></kwd>
<kwd lng="en"><![CDATA[Alzheimer dementia]]></kwd>
<kwd lng="pt"><![CDATA[Eletroencefalograma quantitativo]]></kwd>
<kwd lng="pt"><![CDATA[Coerência inter-hemisférica]]></kwd>
<kwd lng="pt"><![CDATA[Demência de Alzheimer]]></kwd>
</kwd-group>
</article-meta>
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