<?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>0121-0319</journal-id>
<journal-title><![CDATA[Medicas UIS]]></journal-title>
<abbrev-journal-title><![CDATA[Medicas UIS]]></abbrev-journal-title>
<issn>0121-0319</issn>
<publisher>
<publisher-name><![CDATA[Universidad Industrial de Santander]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-03192018000300021</article-id>
<article-id pub-id-type="doi">10.18273/revmed.v31n3-2018002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de hipotiroidismo subclínico, deterioro cognitivo y su posible asociación en adultos mayores de una clínica de la Ciudad de México 2016]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of subclinical hypothyroidism and cognitive impairment and its possible linkage in older adults from a clinic in Mexico City 2016]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Esquivel Salgado]]></surname>
<given-names><![CDATA[Maria Magdalena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivares Luna]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Pedraza Avilés]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Seguridad y Servicios Sociales de los Trabajadores del Estado  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Nacional de México  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>31</volume>
<numero>3</numero>
<fpage>21</fpage>
<lpage>25</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-03192018000300021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-03192018000300021&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-03192018000300021&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: el hipotiroidismo se ha asociado con deterioro cognitivo, así como con reducción en la calidad de vida; sin embargo, existe controversia al respecto porque la evidencia es contradictoria. El hipotiroidismo parece provocar alteraciones en el estado cognitivo y en el estado de ánimo en adultos mayores, por lo que se requieren estudios para establecer dicha asociación y de esta manera evaluar el tratamiento sustitutivo hormonal.  Objetivo: determinar la prevalencia de hipotiroidismo subclínico, deterioro cognitivo en el adulto mayor y su posible asociación en pacientes adultos mayores.  Material y métodos: estudio transversal, descriptivo, y analítico, realizado en el módulo de gerontología en la Clínica Medicina Familiar "Dr. Ignacio Chávez", Ciudad De México, de junio a noviembre de 2016. Se realizó muestreo no probabilístico por conveniencia. Se aplicó el examen Mini mental para deterioro cognitivo. Se enviaron las muestras de sangre al laboratorio para la realización de pruebas de función tiroidea. El análisis estadístico se realizó con la prueba de chi cuadrado de independencia con nivel de significancia de 0,05. Se utilizó el programa estadístico Statistical Package for the Social Sciences, versión 22.  Resultados: se estudiaron 120 adultos mayores con un promedio de edad de 78,2 años. El 35,8% de los pacientes presentaron hipotiroidismo subclínico, y el 63% presentó algún grado de deterioro cognitivo. Al asociar estas variables, no se obtuvo significancia estadística (p=0,556).  Conclusiones: este estudio demuestra una alta prevalencia de hipotiroidismo subclínico y de deterioro cognitivo en la población de estudio, sin que se haya presentado asociación entre ambas variables. MÉD.UIS. 2018;31(3):21-25.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: hypothyroidism has been related to cognitive impairment, as well as a reduction in life quality, however, controversy exists in this matter because evidence is contradictory. Hypothyroidism seems to cause changes in elderly's cognitive and emotional state. Studies are required to establish such relationship, and to evaluate substitute hormonal treatment.  Objective: to determine the prevalence of subclinical hypothyroidism and cognitive impairment in older adults and its possible association in elderly patients.  Material and Methods: cross-sectional, analytic, descriptive study, carried out in a Gerontology Module from Family Medicine Clinic "Dr. Ignacio Chávez" in Mexico City, from June to November 2016. Non probabilistic convenience sampling was done. Mini Mental Status Exam was applied for cognitive impairment. Blood Samples were sent to laboratory to make thyroid function tests. Statistical Analysis including independence Chi-Square with significance level 0,05. Statistical Package for the Social Science version 22 was used.  Results: 120 older adults were studied, the average age was 78,2. 35.8% of the patients presented subclinical hypothyroidism, and 63% presented some degree of cognitive impairment. While relating this variables, no statistical significance was obtained (p=0,556).  Conclusions: The present study demonstrated a high prevalence of subclinical hypothyroidism and cognitive impairment in the study population. The relationship between the two variables was not demonstrated. MÉD.UIS. 2018;31(3):21-25.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hipotiroidismo]]></kwd>
<kwd lng="es"><![CDATA[Disfunción cognitiva]]></kwd>
<kwd lng="es"><![CDATA[Ancianos]]></kwd>
<kwd lng="es"><![CDATA[Calidad de vida]]></kwd>
<kwd lng="es"><![CDATA[Salud mental]]></kwd>
<kwd lng="en"><![CDATA[Hypothyroidism]]></kwd>
<kwd lng="en"><![CDATA[Cognitive dysfunction]]></kwd>
<kwd lng="en"><![CDATA[Aged]]></kwd>
<kwd lng="en"><![CDATA[Quality of life]]></kwd>
<kwd lng="en"><![CDATA[Mental health]]></kwd>
</kwd-group>
</article-meta>
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