<?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>1684-1824</journal-id>
<journal-title><![CDATA[Revista Médica Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Med.Electrón.]]></abbrev-journal-title>
<issn>1684-1824</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Matanzas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18242019000200333</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores pronósticos de recidiva en mujeres con cáncer de mama. Hospital &#8220;José Ramón López Tabranes&#8221;. Matanzas. 2010-2015]]></article-title>
<article-title xml:lang="en"><![CDATA[Recurrence prognostic factors in women with breast cancer. Hospital &#8220;Jose Ramon Lopez Tabrane&#8221;. Province of Matanzas. 2010-2015]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Soto]]></surname>
<given-names><![CDATA[Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Busto Hidalgo]]></surname>
<given-names><![CDATA[Jacqueline]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Menéndez]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Schery Guedez]]></surname>
<given-names><![CDATA[Odalys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Busto]]></surname>
<given-names><![CDATA[Jesús Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Matanzas  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Dirección Municipal de Salud de Matanzas  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Universitario Clínico Quirúrgico Comandante Faustino Pérez Hernández  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>41</volume>
<numero>2</numero>
<fpage>333</fpage>
<lpage>345</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242019000200333&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242019000200333&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242019000200333&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  la neoplasia de mama, constituye la segunda causa de mortalidad por cáncer en la mujer cubana. El conocimiento de los factores pronósticos de recaída es determinante para la toma de decisiones en el tratamiento.  Objetivo:  identificar los factores pronósticos de recidiva por cáncer de mama.  Materiales y métodos:  Se realizó un estudio observacional, analítico, retrospectivo. Participaron 264 mujeres diagnosticadas con cáncer de mama en la consulta de mastología del Hospital &#8220;José Ramón López Tabranes&#8221;, de la provincia Matanzas, desde el 1 de enero del 2010 hasta el 31 de diciembre del 2015. Se utilizó el método de Kaplan Meier para determinar el tiempo libre de enfermedad, estratificado por las variables seleccionadas y un análisis bivariado para estimar la relación entre la recaída y cada una de las variables. Los datos fueron cruzados en tablas de contingencia y se calculó el riesgo relativo y los intervalos de confianza del 95 %. Se utilizó el test Chi cuadrado. El efecto independiente de las variables seleccionadas en la recaída se verificó mediante el análisis multivariado de regresión de Cox.  Resultados:  durante el seguimiento, 64 pacientes presentaron recaída, para una incidencia acumulada de 24,2 %. El análisis multivariado demostró peor pronóstico en aquellas mujeres con infiltración de ganglios linfáticos axilares (RR=5.65; IC: 2.21-14.44) y grado histológico III (RR=3.44; IC 1.98-5.97).  Conclusiones:  se identificaron como factores pronósticos de recaída: el estatus ganglionar positivo y el grado histológico III. El conocimiento de estos factores repercute directamente en la supervivencia, y es decisivo para individualizar el tratamiento.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  breast neoplasm is the second cause of mortality in Cuban women. The knowledge of the recurrence prognostic factors is crucial for the treatment decision taking.  Objective:  to determine the recurrence prognostic factors due to breast cancer in this series.  Material and methods:  a retrospective, analytic, observational, cohort study was carried out; participated 264 women diagnosed with breast cancer in the mastology consultation of the hospital &#8220;Jose Ramon Lopez Tabrane&#8221;, province of Matanzas, from January 1st 2010 to December 31st 2015. The Kaplan-Meier method was used to determine disease-free time, stratified according to the chosen variables, and a bi-variate analysis to estimate the relation between recurrence and each of these variables. Data were crossed in contingency tables and the relative risk (RR) and their confidence intervals (CI) of 95 % were calculated for each of them. The Chi squared test was used to find the significant statistic association. The independent effect of the chosen variables in the recurrence was verified by means of the Cox regression multivariate analysis.  Results:  during the follow up, 64 patients had recurrence for an accumulated incidence of 24.2 %. The multivariate analysis by means of the Cox proportional risk model showed the worst prognosis in women with infiltration of the axillary lymph nodes (RR=5.65; CI: 2.21-14.44) and histological grade III (RR=3.44; CI 1.98-5.97).  Conclusions:  the positive gangliar status and histological grade III were identified as recurrence risk factors. Knowing these factors directly affects survival and is decisive to individualize the treatment.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[cáncer de mama]]></kwd>
<kwd lng="es"><![CDATA[factores pronósticos de recaída]]></kwd>
<kwd lng="es"><![CDATA[estudio epidemiológico observacional]]></kwd>
<kwd lng="en"><![CDATA[breast cancer]]></kwd>
<kwd lng="en"><![CDATA[recurrence prognostic factors]]></kwd>
<kwd lng="en"><![CDATA[observational epidemiological study]]></kwd>
</kwd-group>
</article-meta>
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