<?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>1688-0390</journal-id>
<journal-title><![CDATA[Revista Médica del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Méd. Urug.]]></abbrev-journal-title>
<issn>1688-0390</issn>
<publisher>
<publisher-name><![CDATA[Sindicato Médico del Uruguay]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-03902021000401203</article-id>
<article-id pub-id-type="doi">10.29193/rmu.37.4.3</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Vitamina D, magnesio y parámetros seleccionados de laboratorio en hombres uruguayos]]></article-title>
<article-title xml:lang="en"><![CDATA[Vitamin D, magnesium, and selected laboratory parameters in Uruguayan men]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[Jimena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mintegui]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ronco]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la República Facultad de Medicina Hospital de Clínicas Dr. Manuel Quintela]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,ASSE Centro Hospitalario Pereira Rossell ]]></institution>
<addr-line><![CDATA[Montevideo ]]></addr-line>
<country>Uruguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>37</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-03902021000401203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-03902021000401203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-03902021000401203&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción:  los niveles de vitamina D (VD) plasmática se han investigado sobre todo en mujeres, no obstante también son relevantes en hombres, y no sólo en relación al estado de salud ósea. Un estudio previo realizado hace dos décadas en una pequeña muestra de hombres y mujeres uruguayos reveló serias deficiencias de VD. Por otra parte, el magnesio posee importantes efectos no solo relacionados a los niveles de VD, también afecta el hueso directa e indirectamente.  Objetivos:  analizar posibles interrelaciones entre valores de VD plasmática, testosterona plasmática, densitometría ósea, y otros parámetros en una población de jóvenes varones uruguayos.  Métodos:  durante julio-agosto de 2015, cien hombres uruguayos afiliados al sistema prepago de salud fueron invitados a participar en nuestra Unidad de Metabolismo Fosfocálcico, para ser estudiados con técnicas de antropometría, laboratorio y densitométricas. Los datos colectados fueron analizados estadísticamente.  Resultados:  los hombres estudiados mostraron bajos niveles de VD plasmática (96% insuficientes-deficientes), que no mostraron correlaciones significativas con ninguno de los parámetros estudiados. El magnesio plasmático se correlacionó significativa e inversamente con los z-scores densitométricos, lo que fue más intenso en hombres con sobrepeso y con VD &#8805;15 ng/ml.  Conclusiones:  a pesar de lo pequeño de la muestra, los resultados confirman la presencia de bajos niveles de VD en hombres aparentemente saludables. Los hallazgos dan razones para pensar en posibles recomendaciones para mejorar el espectro preventivo enfocado en osteoporosis y cáncer colorrectal.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary:  Background:  serum vitamin D (VD) levels have been mainly studied in women, but they are relevant also among men, not only regarding bone health status. A previous small-size study performed two decades ago in Uruguayan women and men revealed serious deficiencies of VD. On the other hand, magnesium has important effects not only related to vitamin D levels but directly and indirectly affect bone.  Purpose:  to analyze possible interrelationships among values of serum VD, magnesium, testosterone, bone densitometry and other parameters in young Uruguayan male population.  Methods:  during July-August 2015, one hundred Uruguayan men affiliated to the prepaid healthcare system, invited to participate by our Unit of Bone Metabolism, were studied with anthropometry, laboratory and, densitometry techniques. Collected data were statistically analyzed.  Results:  the studied men showed low serum VD levels (96% insufficient-deficient), which did not show significant correlations with any of the studied parameters. Serum magnesium was significantly and inversely correlated with densitometric z-scores, even stronger among men with overweight and with VD&#8805;15 ng/ml.  Conclusions:  despite the sample size, results confirm the presence of low serum VD levels in apparently healthy men. Findings give reasons to think about possible recommendations to improve the preventive scope regarding osteoporosis and colorectal cancer.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo:  Introdução: os níveis plasmáticos de vitamina D (DV) têm sido investigados principalmente em mulheres, porém também são relevantes em homens, e não apenas em relação à saúde óssea. Um estudo anterior realizado há duas décadas em uma pequena amostra de homens e mulheres uruguaios revelou graves deficiências de VD. Por outro lado, o magnésio tem efeitos importantes não apenas relacionados aos níveis de VD, mas também afeta o osso direta e indiretamente.  Objetivos: analisar as possíveis relações entre os valores plasmáticos de VD, testosterona plasmática, densitometria óssea e outros parâmetros em uma população de jovens uruguaios.  Métodos: durante o período de julho a agosto de 2015, cem uruguaios filiados ao sistema de saúde pré-pago foram convidados a participar de nossa Unidade de Metabolismo Fosfocálcico, para serem estudados com técnicas antropométricas, laboratoriais e densitométricas. Os dados coletados foram analisados estatisticamente.  Resultados: os homens estudados apresentaram baixos níveis de VD plasmático (96% insuficiente-deficiente), que não apresentou correlações significativas com nenhum dos parâmetros estudados. O magnésio plasmático foi significativa e inversamente correlacionado com os escores z densitométricos, que foi mais intenso em homens com sobrepeso e VR &#8805;15 ng / ml.  Conclusões: porém, na pequena amostra, os resultados confirmam a presença de baixos níveis de VD em homens aparentemente saudáveis. Estes achados propõem pensar sobre possíveis recomendações para melhorar o espectro preventivo com foco na osteoporose e no câncer colorretal.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Densitometría]]></kwd>
<kwd lng="es"><![CDATA[Hormona paratiroidea]]></kwd>
<kwd lng="es"><![CDATA[Vitamina D]]></kwd>
<kwd lng="es"><![CDATA[Testosterona]]></kwd>
<kwd lng="es"><![CDATA[Densidad ósea]]></kwd>
<kwd lng="es"><![CDATA[Magnesio]]></kwd>
<kwd lng="es"><![CDATA[Hombres]]></kwd>
<kwd lng="en"><![CDATA[Densitometry]]></kwd>
<kwd lng="en"><![CDATA[Parathyroid hormone]]></kwd>
<kwd lng="en"><![CDATA[Vitamin D]]></kwd>
<kwd lng="en"><![CDATA[Testosterone]]></kwd>
<kwd lng="en"><![CDATA[Bone density]]></kwd>
<kwd lng="en"><![CDATA[Magnesium]]></kwd>
<kwd lng="en"><![CDATA[Men]]></kwd>
<kwd lng="pt"><![CDATA[Densitometria]]></kwd>
<kwd lng="pt"><![CDATA[Hormônio paratireóideo]]></kwd>
<kwd lng="pt"><![CDATA[Vitamina D]]></kwd>
<kwd lng="pt"><![CDATA[Testosterona]]></kwd>
<kwd lng="pt"><![CDATA[Densidade óssea]]></kwd>
<kwd lng="pt"><![CDATA[Magnésio]]></kwd>
<kwd lng="pt"><![CDATA[Homens]]></kwd>
</kwd-group>
</article-meta>
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