<?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. cuban. 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>S0138-65572023000200018</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Single versus double drainage in chronic subdural hematomas treated with burr-holes]]></article-title>
<article-title xml:lang="es"><![CDATA[Drenaje único versus doble en hematomas subdurales crónicos tratados con trepanación]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Horta-Tamayo]]></surname>
<given-names><![CDATA[Ernesto Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta-González]]></surname>
<given-names><![CDATA[Luis Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Raez]]></surname>
<given-names><![CDATA[Diana Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Parra-Vidal]]></surname>
<given-names><![CDATA[Lázaro Noel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Cruz]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas &#8220;Mariana Grajales Coello&#8221;  ]]></institution>
<addr-line><![CDATA[ Holguín]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hôpital de Référence de Maradi  ]]></institution>
<addr-line><![CDATA[ Maradi]]></addr-line>
<country>Niger</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas &#8220;Mariana Grajales Coello&#8221; Hospital Clínico Quirúrgico &#8220;Lucía Iñiguez Landín&#8221; Servicio de Neurocirugía]]></institution>
<addr-line><![CDATA[ Holguín]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Ciencias Médicas &#8220;Mariana Grajales Coello&#8221; Policlínico Universitario &#8220;Máximo Gómez Báez" ]]></institution>
<addr-line><![CDATA[ Holguín]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>52</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0138-65572023000200018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0138-65572023000200018&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0138-65572023000200018&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Chronic subdural hematoma is a frequent type of intracranial hemorrhage. Treatment for symptomatic cases is generally surgical. Burr-hole completion is the method of choice.  Objective:  To analyze the placement of a single versus double drain in patients with chronic subdural hematoma operated through burr-holes.  Methods: An analytical correlational retrospective study was carried out in patients who underwent surgery for chronic subdural hematoma, between January 2018 and December 2020. The patients were divided into 2 groups based on the number of drains used: double or single. The variables were: age, morbidities, preoperative Glasgow Score, hematoma characteristics (laterality, internal architecture, maximum diameter, and midline shift), complications, and hospital stay. The probability value &lt; 0.05 was considered statistically significant.  Results:  Of the 99 patients in the study, 39 were older than 75 years. The most frequent pattern was B with 25 cases (25,3 %). The diameter of the chronic subdural hematoma was more than 20 mm in 61 cases, and in 32 cases the displacement of the midline structures was greater than 10 mm. The average hospital stays 5,8 days. The most frequent complication was nosocomial pneumonia with eleven cases (11,11 %). The double drainage group showed fewer complications at 30 days.  Conclusions: The placement of double subdural drainage in patients with chronic subdural hematoma operated through single or double burr-holes, and is related to fewer complications than those with single drainage.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El hematoma subdural crónico es un tipo frecuente de hemorragia intracraneal. El tratamiento de los casos sintomáticos es generalmente quirúrgico. La terminación con agujeros de trépano es el método de elección.  Objetivo:  Analizar la colocación de drenaje simple versus doble en pacientes con hematoma subdural crónico operados mediante trepanación.  Métodos: Se realizó un estudio retrospectivo correlacional analítico en pacientes operados de hematoma subdural crónico, entre enero de 2018 y diciembre de 2020. Los pacientes se dividieron en 2 grupos según el número de drenajes utilizados: doble o simple. Las variables fueron: edad, morbilidades, puntaje de Glasgow preoperatorio, características del hematoma (lateralidad, arquitectura interna, diámetro máximo y desviación de la línea media), complicaciones y estancia hospitalaria. El valor de probabilidad &lt; 0,05 se consideró estadísticamente significativo.  Resultados:  De los 99 pacientes del estudio, 39 eran mayores de 75 años. El patrón más frecuente fue el B con 25 casos (25,3 %). El diámetro del hematoma subdural crónico fue mayor de 20 mm en 61 casos, y en 32 casos el desplazamiento de las estructuras de la línea media fue mayor de 10 mm. La estancia hospitalaria media fue de 5,8 días. La complicación más frecuente fue la neumonía nosocomial con once casos (11,11 %). El grupo de doble drenaje presentó menos complicaciones a los 30 días.  Conclusiones:  La colocación de drenaje subdural doble en pacientes con hematoma subdural crónico operados mediante trepanación simple o doble, se relaciona con menos complicaciones que aquellos con drenaje simple.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[chronic subdural hematoma]]></kwd>
<kwd lng="en"><![CDATA[surgical treatment]]></kwd>
<kwd lng="en"><![CDATA[drainage]]></kwd>
<kwd lng="es"><![CDATA[hematoma subdural crónico]]></kwd>
<kwd lng="es"><![CDATA[tratamiento quirúrgico]]></kwd>
<kwd lng="es"><![CDATA[drenaje]]></kwd>
</kwd-group>
</article-meta>
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