<?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>0034-7493</journal-id>
<journal-title><![CDATA[Revista Cubana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Cir]]></abbrev-journal-title>
<issn>0034-7493</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-74932021000400009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Timectomía transesternal extendida en pacientes con miastenia grave]]></article-title>
<article-title xml:lang="en"><![CDATA[Extended Transsternal Thymectomy in Patients with Myasthenia Gravis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuentes Valdés]]></surname>
<given-names><![CDATA[Edelberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez García]]></surname>
<given-names><![CDATA[Kymani]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Clínico Quirúrgico &#8220;Hermanos Ameijeiras&#8221; Servicio Cirugía General ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>60</volume>
<numero>4</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0034-74932021000400009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0034-74932021000400009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0034-74932021000400009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La miastenia grave adquirida es un trastorno de la transmisión neuromuscular, causado por la unión de autoanticuerpos con los componentes de la placa neuromuscular, más frecuentemente con el receptor de acetilcolina.  Objetivo:  Evaluar los resultados quirúrgicos inmediatos, obtenidos con la timectomía extendida en pacientes con miastenia grave timomatosa y no timomatosa.  Métodos:  Se realizó un estudio observacional, prospectivo y descriptivo para evaluar los resultados postoperatorios inmediatos de 21 pacientes intervenidos por miastenia grave entre junio de 2015 y mayo de 2020. Las variables estudiadas fueron edad, sexo, lesiones tímicas asociadas y resultados inmediatos: complicaciones y mortalidad ocurridas hasta 30 días de la intervención. Los datos fueron obtenidos de una base en Microsoft Access.  Resultados:  Dieciséis (76,2 %) pertenecían al sexo femenino y 5 (23, 8 %) al masculino. El mayor número correspondió a la MG con timoma, seguido por la MG e hiperplasia tímica (8) y uno con MG y restos tímicos. Se complicaron tres pacientes (14,3 %). Uno presentó dos complicaciones: enfisema subcutáneo y septicemia, el siguiente, fiebre sin causa aparente y, el último, infección superficial de la herida. No hubo fallecidos.  Conclusiones:  La timectomía transesternal extendida permite extirpar el timo y la mayor parte de los tejidos adiposo y tímico aberrante, en el cuello y el mediastino. En pacientes tratados por equipos multidisciplinarios, con experiencia en esta cirugía, las complicaciones y la mortalidad tempranas usualmente son favorables.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Acquired myasthenia gravis (MG) is a neuromuscular transmission disorder caused by the union of autoantibodies and the components of the neuromuscular plaque, most frequently with the acetylcholine receptor.  Objective: To assess the immediate surgical outcomes of extended thymectomy in patients with thymomatous and nonthymomatous myasthenia gravis.  Methods:  An observational, prospective and descriptive study was carried out to assess the immediate postoperative outcomes of 21 patients operated on for myasthenia gravis between June 2015 and May 2020. The variables studied were age, sex, associated thymic lesions, and immediate outcomes: complications and mortality that occurred up to thirty days after the intervention. The data were obtained from a Microsoft Access database.  Results: Sixteen (76.2%) belonged to the female sex and five (23.8%) to the male sex. The highest number corresponded to MG with thymoma, followed by MG and thymic hyperplasia (8) and one with MG and thymic remains. Three patients (14.3%) were complicated. One had two complications: subcutaneous emphysema and septicemia; the next had unexplained fever; and the last one had superficial wound infection. There were no deaths.  Conclusions: Extended transsternal thymectomy allows removal of the thymus and most of the adipose and aberrant thymic tissues in the neck and mediastinum. In patients treated by multidisciplinary teams, with experience in this surgery, outcomes regarding early complications and mortality are usually favorable.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[miastenia grave]]></kwd>
<kwd lng="es"><![CDATA[timoma]]></kwd>
<kwd lng="es"><![CDATA[hiperplasia]]></kwd>
<kwd lng="es"><![CDATA[timectomía extendida]]></kwd>
<kwd lng="en"><![CDATA[myasthenia gravis]]></kwd>
<kwd lng="en"><![CDATA[thymoma]]></kwd>
<kwd lng="en"><![CDATA[hyperplasia]]></kwd>
<kwd lng="en"><![CDATA[extended thymectomy]]></kwd>
</kwd-group>
</article-meta>
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