<?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>0138-6557</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina Militar]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Med Mil]]></abbrev-journal-title>
<issn>0138-6557</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0138-65572022000200011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Policitemia en pacientes con enfermedad renal crónica en hemodiálisis]]></article-title>
<article-title xml:lang="en"><![CDATA[Polycythemia in patients with chronic kidney disease in hemodialysis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vizcarra Vizcarra]]></surname>
<given-names><![CDATA[Cristhian Adolfo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital III Goyeneche  ]]></institution>
<addr-line><![CDATA[ Arequipa]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de San Agustín  ]]></institution>
<addr-line><![CDATA[ Arequipa]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2022</year>
</pub-date>
<volume>51</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0138-65572022000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0138-65572022000200011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0138-65572022000200011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los pacientes con enfermedad renal crónica cursan con anemia, la cual es menos frecuente en ciudades por encima de los 1000 metros de altitud sobre el nivel del mar.  Objetivos:  Determinar las características clínicas y de laboratorio de los pacientes en hemodiálisis, a gran altitud.  Métodos:  Estudio descriptivo, transversal y correlacional en 70 pacientes de un centro de diálisis (3 827 metros sobre el nivel del mar). Se dividió los pacientes según nivel de hemoglobina: grupo 1 (&lt; 10 g/dl), grupo 2 (10 - 12 g/dl), grupo 3 (12 - 18 g/dl) y grupo 4 (&#8805; 18 g/dl). Se investigó variables epidemiológicas, clínicas y de laboratorio. Se calculó frecuencias absolutas y relativas, promedios y desviación estándar y se aplicó análisis descriptivo, test de ji cuadrado y ANOVA.  Resultados:  Se encontró predominio del sexo masculino (67 %) y una edad media de 60,7 ± 14,1 años. El 45 % de los pacientes fueron hipertensos, con diferencia significativa (p&lt; 0,05) entre el grupo 1 y 2. La hemoglobina media fue de 12,99 ± 2,6 g/dl y se encontró que el 5,7 % de los estudiados presentaron hemoglobina &#8805; 18 g/dl. Se observó una relación directa entre hemoglobina y el fósforo, aunque de baja intensidad (r&lt; 0,300) y significativa (p&lt; 0,05); es decir, existe una tendencia a la hiperfosfatemia en los pacientes con policitemia.  Conclusiones:  Más del 60 % de los pacientes con enfermedad renal crónica en hemodiálisis que viven a gran altitud, presentan cifras elevadas de hemoglobina, por encima de los niveles recomendados para esta población. Además, se estableció una relación entre policitemia y mayor edad, nivel de calcio, fósforo, albúmina y Kt/V y menor nivel de paratohormona.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Patients with chronic kidney disease have anemia, which is less frequent in cities above 1000 meters above sea level.  Objectives:  To determine the clinical and laboratory characteristics of patients on hemodialysis at high altitude.  Methods:  Descriptive, cross-sectional and correlational study in 70 patients from a dialysis center (3827 meters above sea level). Patients were divided according to hemoglobin level: Group 1 (&lt; 10 g/dl), Group 2 (10 - 12 g/dl), Group 3 (12 - 18 g/dl) and Group 4 (&#8805; 18 g/dl). Epidemiological, clinical and laboratory variables were investigated. Absolute and relative frequencies, averages and standard deviation were calculated and descriptive analysis, chi-square test and ANOVA were applied.  Results:  We observed a predominance of men (67 %) and a mean age of 60.7 ± 14.1 years. 45 % of the patients were hypertensive, with a significant difference (p&lt; 0,05) between group 1 and 2. The mean hemoglobin was 12,99 ± 2,6 g/dl, and we found that 5.7 % of the evaluated had hemoglobin &#8805; 18 g/dL. A direct relationship between hemoglobin and phosphorus was observed, although of low intensity (r&lt; 0,300) and significant (p&lt; 0,05); that is, there is a tendency to hyperphosphatemia in patients with polycythemia.  Conclusions:  More than 60 % of patients with chronic kidney disease on hemodialysis who live at high altitude have high hemoglobin levels, above the recommended levels for this population. Furthermore, a relationship was established between polycythemia and older age, calcium, phosphorus, albumin and Kt/V levels and lower parathyroid hormone levels.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[enfermedad renal crónica]]></kwd>
<kwd lng="es"><![CDATA[diálisis]]></kwd>
<kwd lng="es"><![CDATA[policitemia]]></kwd>
<kwd lng="es"><![CDATA[mal de altitud]]></kwd>
<kwd lng="en"><![CDATA[chronic kidney disease]]></kwd>
<kwd lng="en"><![CDATA[dialysis]]></kwd>
<kwd lng="en"><![CDATA[polycythemia]]></kwd>
<kwd lng="en"><![CDATA[altitude sickness]]></kwd>
</kwd-group>
</article-meta>
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