<?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>0016-7169</journal-id>
<journal-title><![CDATA[Geofísica internacional]]></journal-title>
<abbrev-journal-title><![CDATA[Geofís. Intl]]></abbrev-journal-title>
<issn>0016-7169</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geofísica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-71692016000400267</article-id>
<article-id pub-id-type="doi">10.19155/geofint.2016.055.4.4</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Cardiovascular mortality in northwestern Russia in relation with geomagnetic disturbances]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shumilov]]></surname>
<given-names><![CDATA[Oleg]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kasatkina]]></surname>
<given-names><![CDATA[Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Koshcheeva]]></surname>
<given-names><![CDATA[Tatiana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chramov]]></surname>
<given-names><![CDATA[Alexey]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Polar Geophysical Institute  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Russia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,RAS Kola Science Centre ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Russia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Baltic State Technical University  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Russia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>55</volume>
<numero>4</numero>
<fpage>267</fpage>
<lpage>274</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-71692016000400267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-71692016000400267&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-71692016000400267&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The aim of the study was to identify the impact of natural (geomagnetic disturbances), socioeconomic and man-made factors on mortality from cardiovascular diseases (CVD) in Northwestern Russia. Data from 9057 CVD deaths in Kirovsk town (Kola Peninsula, 67.6 N, 33.7 E) were analyzed with respect to seasons of the year from 1948 to 2010. Total male CVD deaths showed three significant peaks in May, September and winter. The May maximum was dominant for all males, except for the oldest age (&#8805;70 years) group and seemed to be caused by emotional and physical effects of increased hormones in spring. Total female CVD deaths showed two significant maxima in autumn and winter and one insignificant spring peak. Seasonal distribution of the moderate (50&lt;Ap&lt;100 nT) magnetic had a bimodal pattern with spring and autumn peaks. This bimodal pattern of seasonal variation is also present in the female and male oldest age (&#8805;70 years) groups. Multi-Taper-Method (MTM) spectral analysis revealed periods of ~9-10 years, ~4.7 years and ~2.3 years at confidence level of &#8805;90%. These periods seem to coincide with the main cycles of variations of the aa-index of geomagnetic activity. There is no significant association of air pollution and CVD mortality at the region.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo del estudio fue identificar en el noroeste de Rusia los impactos de las perturbaciones geomagnéticas, los factores socioeconómicos y antropogénicos en la mortalidad causada por enfermedades cardiovasculares (CVE, por sus siglas en ingles). Se analizaron 9,057 muertes por CVE en la ciudad de Kirovsk (península de Kola, 67.6 N, 33.7 E), relacionadas con las estaciones del año de 1948 a 2010. Se aprecian tres picos significativos en el número total de muertes en varones por CVE: en mayo, septiembre e invierno. El pico máximo de mayo predominó para los varones, excepto en la población de mayor edad (&#8805; 70 años). Parece que se relaciona con cuestiones emocionales y físicas derivadas del aumento de hormonas en primavera. En cuanto a las mujeres, se mostraron dos máximos significativos de muertes por CVE en otoño e invierno, y un pico en primavera insignificante. La distribución estacional de las tormentas geomagneticas moderadas (50 &lt;Ap&lt;100 nT) tenía un patrón bimodal con picos de primavera y otoño. Este patrón bimodal derivado de la variación estacional también se encuentra presente en los grupos mayores de edad (&#8805; 70 años), tanto en hombres como en mujeres. El análisis con el Método Multi-Taper (MTM, por sus siglas en inglés) reveló períodos de ~9-10 años, ~ 4.7 años y ~2.3 años, con un nivel de certeza de &#8805;90%. Estos períodos parecen coincidir con los principales ciclos de variaciones del índice aa de la actividad geomagnética. En la región de este estudio no se detectó una relación significativa entre la contaminación atmosférica y la mortalidad por enfermedades cardiovasculares.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[actividad geomagnética]]></kwd>
<kwd lng="es"><![CDATA[muertes por enfermedades cardiovasculares]]></kwd>
<kwd lng="en"><![CDATA[geomagnetic activity]]></kwd>
<kwd lng="en"><![CDATA[cardiovascular deaths]]></kwd>
</kwd-group>
</article-meta>
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