<?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>2027-0119</journal-id>
<journal-title><![CDATA[Urología Colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Urol. Colomb.]]></abbrev-journal-title>
<issn>2027-0119</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Colombiana de Urología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2027-01192023000400121</article-id>
<article-id pub-id-type="doi">10.24875/ruc.23000019</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Testicular and epididymal dysfunctions: searching a new index for the differential diagnosis]]></article-title>
<article-title xml:lang="en"><![CDATA[Disfunciones testiculares y epididimarias: búsqueda de un nuevo índice para el diagnóstico diferencial]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrade-Rocha]]></surname>
<given-names><![CDATA[Fernando T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardona-Maya]]></surname>
<given-names><![CDATA[Walter D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Lisa Andrology Lab  ]]></institution>
<addr-line><![CDATA[Rio de Janeiro ]]></addr-line>
<country>Brazil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia Faculty of Medicine Department of Microbiology and Parasitology]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>32</volume>
<numero>4</numero>
<fpage>121</fpage>
<lpage>127</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2027-01192023000400121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2027-01192023000400121&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2027-01192023000400121&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Esta prueba de principio tiene como objetivo desarrollar un índice que ayude al diagnóstico diferencial de los trastornos testiculares y/o epidídimales.  Métodos: Se evaluaron 202 individuos divididos en dos grupos: hombres fértiles con hijos concebidos de forma natural en el plazo no mayor a un año (n = 36) y hombres infértiles (n = 166), los cuales habían intentado un embarazo por más de un año. Se evaluaron los parámetros seminales (concentración, viabilidad, movilidad, morfología y prueba de hinchazón hipoosmótica [HOST]). El índice se calculó dividiendo el porcentaje de HOST por el porcentaje de movilidad espermática progresiva en el grupo fértil (n = 36).  Resultados: Se determinó un rango normal de 1,23 a 1,53. Utilizando este índice, los resultados del análisis del semen de los hombres infértiles se agruparon en tres grupos de estudio: por debajo de 1,23 (n = 24), normal (n = 44) y superior a 1,53 (n = 98). En contraste, estos parámetros disminuyeron significativamente en el semen de rango normal (p &lt; 0,01) y en los índices superiores a 1,53 (p &lt; 0,0001). Las curvas ROC comparadas con la movilidad espermática progresiva y la morfología en los hombres infértiles con índices superiores a 1,53 muestran que las muestras de semen con movilidad progresiva y morfología normales no sugieren disfunciones en los testículos y epidídimos. Las muestras de semen con astenozoospermia sugerirían una disfunción del epidídimo (AUC 0,889, IC 0,783-1), mientras que las muestra de semen que presentaban teratoastenozoospermia sugerirían una disfunción tanto en los testículos como en el epidídimo (AUC 0,891, IC 0,77-1).  Conclusión: Estos resultados proporcionan una estrategia valiosa sobre si un trastorno afecta individualmente a la función testicular y/o epididimaria.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: This proof-of-principle aims to develop an index to aid the differential diagnosis of disorders affecting testicular and/or epididymis. A total of 202 subject data were evaluated in two groups: fertile men with children naturally conceived within 1 year of unprotected intercourse (n = 36) and infertile men (n = 166) who had attempted a pregnancy more than 1 year with unprotected intercourse.  Materials and methods: Semen parameters (sperm count, vitality, motility, morphology, and hypoosmotic swelling test [HOST]) were evaluated. The index was calculated by dividing the percentage HOST by the percentage of sperm progressive motility in the fertile group (n = 36).  Results: A normal range from 1.23 to 1.53 was determined. Using this index, the outcomes of semen analysis from infertile men were grouped in three study groups: below 1.23 (n = 24), normal (n = 44), and higher than 1.53 (n = 98). These parameters were significantly decreased in semen with normal range (p &lt; 0.01) and in indexes higher than 1.53 (p &lt; 0.0001). Receiver operating characteristic curves compared progressive motility and morphology in infertile men with indexes higher than 1.53 shows that semen samples with normal sperm progressive motility and morphology did not suggest dysfunctions in testis and epididymis. Semen samples with asthenozoospermia suggested epididymal dysfunction (area under the curve [AUC] 0.889, confidence interval [CI] 0.783-1), whereas semen samples with teratoasthenozoospermia suggested dysfunction in both testicles and epididymis (AUC 0.891, CI 0.77-1).  Conclusions: The current index proof-of-principle of the success of such a strategy provides valuable information about whether a disorder individually affects testicular and/or epididymal function.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Semen analysis]]></kwd>
<kwd lng="en"><![CDATA[Progressive motility]]></kwd>
<kwd lng="en"><![CDATA[Hypoosmotic swelling test]]></kwd>
<kwd lng="en"><![CDATA[Male infertility]]></kwd>
<kwd lng="en"><![CDATA[Chronic epididymitis]]></kwd>
<kwd lng="es"><![CDATA[Análisis de semen]]></kwd>
<kwd lng="es"><![CDATA[Movilidad progresiva]]></kwd>
<kwd lng="es"><![CDATA[Prueba de hinchazón hipoosmótica]]></kwd>
<kwd lng="es"><![CDATA[Infertilidad masculine]]></kwd>
<kwd lng="es"><![CDATA[Epididimitis crónica]]></kwd>
</kwd-group>
</article-meta>
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