<?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>0003-3170</journal-id>
<journal-title><![CDATA[Angiología]]></journal-title>
<abbrev-journal-title><![CDATA[Angiología]]></abbrev-journal-title>
<issn>0003-3170</issn>
<publisher>
<publisher-name><![CDATA[Arán Ediciones S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0003-31702021000300004</article-id>
<article-id pub-id-type="doi">10.20960/angiologia.00285</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Complicaciones trombóticas arteriales en pacientes COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Arterial thrombotic complications in COVID-19 patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Arbeláez]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ansuátegui Vicente]]></surname>
<given-names><![CDATA[Marina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ibarra Sánchez]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Gutiérrez]]></surname>
<given-names><![CDATA[Ania]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Comanges Yéboles]]></surname>
<given-names><![CDATA[Alejandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cases Pérez]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Fajardo]]></surname>
<given-names><![CDATA[José Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario 12 de Octubre Servicio de Angiología, Cirugía Vascular y Endovascular ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>73</volume>
<numero>3</numero>
<fpage>132</fpage>
<lpage>139</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0003-31702021000300004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0003-31702021000300004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0003-31702021000300004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivos: presentar nuestra experiencia en relación a la incidencia, pronóstico y tratamiento de pacientes COVID-19 hospitalizados con trombosis arterial periférica en un hospital terciario de Madrid.  Material y métodos: se diseñó un estudio observacional de cohorte de pacientes COVID-19 confirmados (PCR-positiva) en el Hospital Universitario 12 de Octubre. Analizamos todas las trombosis arteriales periféricas sintomáticas diagnosticadas y tratadas durante los meses de marzo y abril de 2020, correspondientes a la primera ola de la pandemia. Debido a la ausencia de camas en la unidad de cuidados intensivos (UCI) y reanimación posoperatoria, toda la cirugía electiva programada fue cancelada durante este periodo y solo se realizaron cirugías urgentes.  Resultados: desde el 1 de marzo al 30 de abril ingresaron en nuestro hospital 2943 pacientes con COVID-19 y de estos 261 en la UCI. Durante este periodo se realizaron 154 operaciones urgentes a pacientes COVID-19 en nuestro hospital. Catorce pacientes COVID-19 fueron diagnosticados con trombosis arterial periférica sintomática. La edad promedio fue de 74 años (rango, 50-92) y estos eventos fueron más comunes en hombres que en mujeres (12:2). De estos 14 pacientes, solo siete fueron sometidos a cirugía vascular por isquemia aguda en las extremidades. Esto representó el 4,5 % de todas las operaciones urgentes realizadas en nuestro hospital. La mortalidad posoperatoria fue 4 de 7 pacientes por retrombosis a pesar de la anticoagulación. Entre los pacientes no operados, 2 presentaban trombo aórtico flotante y evolucionaron satisfactoriamente con anticoagulación, mientras que los otros 5 pacientes debido a las malas condiciones clínicas fueron manejados con medidas paliativas hasta su fallecimiento. Ningún parámetro analítico fue predictivo de trombosis arterial. No se registraron hemorragias en esta serie.  Conclusiones: el trauma quirúrgico aumentó la vulnerabilidad de estos pacientes COVID-19, por lo que la cirugía debería evitarse siempre que sea posible. La tasa de mortalidad en cirugía vascular fue dramáticamente alta. La alta trombogenicidad de estos pacientes desalienta a someterlos a un bypass u otros procedimientos de revascularización. Todos los pacientes hospitalizados COVID-19 deben recibir profilaxis antitrombótica con heparina de bajo peso molecular (HBPM), y aquellos con alto riesgo deben estar completamente anticoagulados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives: to describe our experience of incidence, prognosis and management of hospitalized COVID-19 patients with peripheral arterial thrombosis in a major teaching hospital in Madrid (Spain).  Material and methods: we designed an observational cohort study of confirmed (PCR-test) COVID-19 patients at the Hospital Universitario 12 de Octubre. We analyzed all symptomatic peripheral arterial thrombosis diagnosed and treated during March and April 2020, which corresponds to the first wave of the pandemic. All elective scheduled surgery was canceled during this period due to absence of postoperative intensive care unit (ICU) or resuscitation beds and only urgent surgeries were performed.  Results: from March 1 to April 30, 2,943 COVID-19 patients were admitted in our hospital and 261 patients in the intensive care unit (ICU). During this period, 154 urgent operations were performed on COVID-19 patients in our hospital. Fourteen COVID-19 patients were diagnosed with symptomatic peripheral arterial thrombosis. The average age was 74 (range, 50-92) and these events were more common in men than in women (12:2). Out of these 14 patients, only 7 underwent vascular surgery by acute limb ischemia. This represented 4.5 % of all urgent operations performed in our hospital. Postoperative mortality was 4 of 7 patients due to re-thrombosis despite anticoagulation. Among the non-operated patients, 2 had floating aortic thrombus and evolved satisfactorily with anticoagulation, while the other 5 patients were managed by palliatives measures due to the poor clinical conditions until they died. No analytical parameter was predictive of arterial thrombosis. No bleedings were recorded in this series.  Conclusions: the surgical trauma increased the vulnerability of these patients with COVID-19, and therefore, surgery should be avoided whenever possible. The mortality rate in vascular surgery was dramatically high. The high thrombogenicity of these patients discourages bypass or other revascularization procedures. All hospitalized COVID-19 patients should receive antithrombotic prophylaxis with low molecular weight heparin (LMWH), and those at high risk should be fully anti-coagulated.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Complicaciones]]></kwd>
<kwd lng="es"><![CDATA[Coagulopatía]]></kwd>
<kwd lng="es"><![CDATA[Trombosis arterial periférica]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Complications]]></kwd>
<kwd lng="en"><![CDATA[Coagulopathy]]></kwd>
<kwd lng="en"><![CDATA[Peripheral arterial thrombosis]]></kwd>
</kwd-group>
</article-meta>
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