<?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>0211-6995</journal-id>
<journal-title><![CDATA[Nefrología (Madrid)]]></journal-title>
<abbrev-journal-title><![CDATA[Nefrología (Madr.)]]></abbrev-journal-title>
<issn>0211-6995</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Nefrología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0211-69952016000300006</article-id>
<article-id pub-id-type="doi">10.1016/j.nefro.2016.03.001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio de la deficiencia de hierro en pacientes con insuficiencia cardiaca congestiva: una práctica clínica que precisa mayor atención]]></article-title>
<article-title xml:lang="en"><![CDATA[Investigation of iron deficiency in patients with congestive heart failure: A medical practice that requires greater attention]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Belmar Vega]]></surname>
<given-names><![CDATA[Lara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Francisco]]></surname>
<given-names><![CDATA[Alm de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albines Fiestas]]></surname>
<given-names><![CDATA[Zoila]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serrano Soto]]></surname>
<given-names><![CDATA[Mara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kislikova]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Seras Mozas]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Unzueta]]></surname>
<given-names><![CDATA[Mayte]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arias Rodríguez]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Marqués de Valdecilla Servicio de Nefrología ]]></institution>
<addr-line><![CDATA[Santander Cantabria]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Universitario Marqués de Valdecilla Departamento de Análisis Clínicos ]]></institution>
<addr-line><![CDATA[Santander Cantabria]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>36</volume>
<numero>3</numero>
<fpage>249</fpage>
<lpage>254</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0211-69952016000300006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0211-69952016000300006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0211-69952016000300006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: La deficiencia de hierro en la insuficiencia cardiaca crónica (ICC), con o sin anemia concomitante, se halla asociada a la calidad de vida relacionada con la salud, clase funcional NYHA, y a la capacidad de realización de ejercicio. Estudios prospectivos aleatorizados han demostrado que la corrección de la deficiencia de hierro mejora la calidad de vida y el estadio funcional de estos pacientes con ICC, incluidos aquellos que no presentaban anemia.  Objetivo: El objetivo de este estudio es analizar la frecuencia de determinaciones de estos parámetros de hierro y, por consiguiente, conocer la implementación de esta herramienta de mejoría de la calidad en pacientes que ingresan por ICC.  Métodos: Estudio observacional retrospectivo sobre pacientes de un hospital universitario, que fueron diagnosticados al ingreso de ICC, entre el 1/1/2012 y el 11/6/2013.  Resultados: El número de pacientes analizados fue de 824, de los que a un 39% (324) les fueron evaluados los parámetros de hierro. Entre los pacientes no evaluados y sí evaluados de hierro, no se observó diferencia significativa en la edad, aunque sí en el género, (p = 0,007). Los valores del filtrado glomerular y de hemoglobina fueron significativamente inferiores en el grupo de pacientes analizados de hierro (p &lt; 0,001). La proporción de pacientes con anemia, insuficiencia renal y de aquellos que presentaban conjuntamente ambas comorbilidades fue significativamente superior en el grupo de pacientes analizados de hierro (p &lt; 0,001). Entre los 324 pacientes evaluados de parámetros férricos, 164 pacientes (51%) mostraban deficiencia de hierro. Entre los no deficientes y sí deficientes en hierro, no se observaron diferencias significativas en edad, ni en género. Los parámetros férricos de ambos grupos, ferritina e índice de saturación de la transferrina fueron significativamente inferiores entre los deficientes de hierro, (p &lt; 0,001). Los valores de filtrado glomerular fueron significativamente inferiores en aquellos que no mostraban deficiencia de hierro, (p &lt; 0,001). Se observaron igualmente diferencias significativas en la proporción de pacientes con insuficiencia renal, entre no deficientes y sí deficientes de hierro, (79 vs. 66%; p = 0,013), aunque no en los valores de hemoglobina.  Conclusión: La ICC se asocia con alta frecuencia a anemia, deficiencia de hierro e insuficiencia renal. El estudio de los parámetros férricos en los pacientes que ingresan con ICC, pese a que la corrección de la deficiencia de hierro se asocia a mejoría de la sintomatología, no se realiza con la frecuencia necesaria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Iron deficiency in congestive heart failure (CHF), with or without concomitant anaemia, is associated with health-related quality of life, NYHA functional class, and exercise capacity. Prospective, randomised studies have demonstrated that correcting iron deficiency improves the quality of life and functional status of patients with CHF, including those who do not have anaemia.  Objective: The aim of this study was to analyse how frequently these iron parameters are tested and thus determine the extent to which this quality improvement tool has been implemented in patients admitted with CHF.  Methods: Retrospective observational study of patients from a university hospital diagnosed with CHF on admission between 01/01/2012 and 11/06/2013.  Results: Iron parameters were tested in 39% (324) of the 824 patients analysed. There was no significant difference in age between the patients whose iron was tested and those whose iron was not tested, but the difference in terms of gender was significant (P = .007). Glomerular filtration rate and haemoglobin, were significantly lower in the group of patients whose iron was tested (P &lt; .001). The proportion of patients with anaemia, renal failure or both was significantly higher in the group of patients who had iron tests (P &lt; .001). Of the 324 patients whose iron parameters were tested, 164 (51%) had iron deficiency. There were no differences between patients with and without iron deficiency in terms of age or gender. The iron parameters in both groups, ferritin and transferrin saturation index were significantly lower among the patients with iron deficiency (P &lt; .001). The glomerular filtration rate values were significantly lower in patients with no iron deficiency (P &lt; .001). Significant differences were also observed between those with and without iron deficiency in the proportion of patients with renal failure (79 vs. 66%, respectively, P = .013), but not in terms of haemoglobin concentration.  Conclusion: Congestive heart failure is very frequently associated with anaemia, iron deficiency and renal failure. Despite the fact that correcting iron deficiency is known to improve symptoms, testing of iron parameters in patients admitted with CHF is not performed as often as it should be.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Insuficiencia cardiaca congestiva]]></kwd>
<kwd lng="es"><![CDATA[Deficiencia de hierro]]></kwd>
<kwd lng="es"><![CDATA[Calidad de vida relacionada con la salud]]></kwd>
<kwd lng="es"><![CDATA[Intolerancia al ejercicio]]></kwd>
<kwd lng="es"><![CDATA[Anemia]]></kwd>
<kwd lng="es"><![CDATA[Insuficiencia renal]]></kwd>
<kwd lng="es"><![CDATA[Síndrome cardio-renal]]></kwd>
<kwd lng="en"><![CDATA[Congestive heart failure]]></kwd>
<kwd lng="en"><![CDATA[Iron deficiency]]></kwd>
<kwd lng="en"><![CDATA[Health-related quality of life]]></kwd>
<kwd lng="en"><![CDATA[Exercise intolerance]]></kwd>
<kwd lng="en"><![CDATA[Anaemia]]></kwd>
<kwd lng="en"><![CDATA[Renal failure]]></kwd>
<kwd lng="en"><![CDATA[Cardiorenal syndrome]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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