<?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>2631-2581</journal-id>
<journal-title><![CDATA[Revista Ecuatoriana de Neurología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Ecuat Neurol]]></abbrev-journal-title>
<issn>2631-2581</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Médica Ecuatoriana de Neurología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2631-25812022000300103</article-id>
<article-id pub-id-type="doi">10.46997/revecuatneurol31300103</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Infarto Cerebeloso Bilateral Simultáneo En Un Paciente Con Fibrilación Auricular Paroxística No Valvular: Una Presentación Atípica.]]></article-title>
<article-title xml:lang="en"><![CDATA[Simultaneous Bilateral Cerebellar Infarction In A Patient With Paroxysmal Atrial Fibrillation: An Atypical Presentation.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peñarete-Nader]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrios-Herrera]]></surname>
<given-names><![CDATA[Jennifer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque-Guidales]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Terroba-Chambi]]></surname>
<given-names><![CDATA[Cinthia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salcedo-Pérez]]></surname>
<given-names><![CDATA[Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidad de Neurociencias Servicio de Neurología Clínica SOMER]]></institution>
<addr-line><![CDATA[Rionegro Antioquia]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Investigación Neurológica Raúl Carrea, FLENI  ]]></institution>
<addr-line><![CDATA[Buenos Aires ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Regional Materno Infantil y Especialidades, IRMIE  ]]></institution>
<addr-line><![CDATA[Baní ]]></addr-line>
<country>República Dominicana</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>31</volume>
<numero>3</numero>
<fpage>103</fpage>
<lpage>106</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S2631-25812022000300103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S2631-25812022000300103&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S2631-25812022000300103&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  Los infartos cerebelosos ocurren habitualmente en el territorio de la arteria cerebelosa posteroinferior (PICA) y suelen ser predominantemente unilaterales. El compromiso simultáneo bilateral de la arteria PICA es considerado raro.  Caso clínico:  Presentamos el caso de un paciente masculino de 67 años de edad que desarrolló un síndrome cerebeloso agudo secundario a un infarto cerebral en el territorio de ambas PICA, confirmado por medio de resonancia magnética nuclear cerebral. La fibrilación auricular paroxística no valvular fue la etiología más plausible después de que la angiografía cerebral digital descartó anomalías vasculares.  Conclusión:  este caso demuestra que el infarto bilateral en el territorio de ambas PICA puede ocurrir en el contexto de la embolia cardíaca, incluso en ausencia de una anomalía anatómica como es el origen de ambas PICA en un tronco común.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Cerebellar infarcts usually occur in the territory of the posterior inferior cerebellar artery (PICA) and tend to be unilateral. Simultaneous bilateral involvement is extremely rare.  Case report:  We present the case of a 67-year-old male who developed an acute cerebellar syndrome secondary to acute infarction in the territory of both PICA confirmed by nuclear magnetic resonance imaging. Non-valvular paroxysmal atrial fibrillation was the most plausible etiology, after digital cerebral angiography ruled out vascular abnormalities.  Conclusion:  This case shows that bilateral infarction in the territory of both PICA can occur in the context of cardiac embolism, even in the absence of an anomalous common PICA.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[arteriografía]]></kwd>
<kwd lng="es"><![CDATA[cerebelo]]></kwd>
<kwd lng="es"><![CDATA[embolia]]></kwd>
<kwd lng="es"><![CDATA[fibrilación auricular]]></kwd>
<kwd lng="es"><![CDATA[infarto cerebral (DeCS).]]></kwd>
<kwd lng="en"><![CDATA[angiography]]></kwd>
<kwd lng="en"><![CDATA[cerebellum]]></kwd>
<kwd lng="en"><![CDATA[embolism]]></kwd>
<kwd lng="en"><![CDATA[atrial fibrillation]]></kwd>
<kwd lng="en"><![CDATA[cerebral infarction (MeSH).]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Infarction in the territory of medial branch of the posterior inferior cerebellar artery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amarenco]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Roullet]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Hommel]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Chaine]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Marteau]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<source><![CDATA[J Neurol Neurosurg Psychiatr]]></source>
<year>1990</year>
<volume>53</volume>
<page-range>731-5</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Bilateral cerebellar infarctions caused by a stenosis of a congenitally unpaired posterior inferior cerebellarartery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaida-Hommernick]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Von Smekal]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Kirsch]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Schminke]]></surname>
<given-names><![CDATA[U]]></given-names>
</name>
<name>
<surname><![CDATA[Machetanz]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Kessler]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[J Neuroimaging]]></source>
<year>2001</year>
<volume>11</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>435-7</page-range></nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Acute bilateral cerebellar infarcts in the territory of posterior inferior cerebellar artery]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kang]]></surname>
<given-names><![CDATA[DW]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[SH]]></given-names>
</name>
<name>
<surname><![CDATA[Bae]]></surname>
<given-names><![CDATA[HI]]></given-names>
</name>
<name>
<surname><![CDATA[Han]]></surname>
<given-names><![CDATA[MH]]></given-names>
</name>
<name>
<surname><![CDATA[Yoon]]></surname>
<given-names><![CDATA[BW]]></given-names>
</name>
<name>
<surname><![CDATA[Roh]]></surname>
<given-names><![CDATA[JK]]></given-names>
</name>
</person-group>
<source><![CDATA[Neurology.]]></source>
<year>2000</year>
<volume>55</volume>
<page-range>582-4</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Acute Bilateral Inferior Cerebellar Infarction in a Patient with Neurosyphilis.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Umashankar]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Gupta]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Harik]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Arch Neurol]]></source>
<year>2004</year>
<volume>61</volume>
<page-range>953-6</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Acute bilateral cerebellar infarction in the territory of the medial branches of posterior interior cerebellar arteries]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tada]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Mizutani]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Nishimura]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Tamura]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mori]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[Stroke]]></source>
<year>1994</year>
<volume>25</volume>
<page-range>686-8</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Acute bilateral cerebellar infarction in the territory of the medial branches of posterior inferior cerebellar arteries.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gurer]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Sahin]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Sekirge]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Tan]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Saribas]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
</person-group>
<source><![CDATA[ClinNeurolNeurosurg]]></source>
<year>2001</year>
<volume>103</volume>
<page-range>194-6</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Refining Clinical Risk Stratification for prediction stroke and thromboembolism in atrial fibrillation using a novel risk factor-based approach: The Euroheart Survey on atrial fibrillation]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lip]]></surname>
<given-names><![CDATA[GY]]></given-names>
</name>
<name>
<surname><![CDATA[Nieuwlaat]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Pisters]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Lane]]></surname>
<given-names><![CDATA[DA]]></given-names>
</name>
</person-group>
<source><![CDATA[Chest]]></source>
<year>2010</year>
<volume>137</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>263-72</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[HAS-BLED Tool - What is the Real Risk of Bleeding in Anticoagulation?.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lip]]></surname>
<given-names><![CDATA[GY]]></given-names>
</name>
</person-group>
<source><![CDATA[American College of Cardiology]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Diagnosis and initial management of cerebellar infarction]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Edlow]]></surname>
<given-names><![CDATA[JA]]></given-names>
</name>
<name>
<surname><![CDATA[Newman-Toker]]></surname>
<given-names><![CDATA[DE]]></given-names>
</name>
<name>
<surname><![CDATA[Savitz]]></surname>
<given-names><![CDATA[SI]]></given-names>
</name>
</person-group>
<source><![CDATA[Lancet Neurol]]></source>
<year>2008</year>
<volume>7</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>951-64</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Surgical and medical management of patients with massive cerebellar infarctions: results of the German-Austrian Cerebellar Infarction Study]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jauss]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Krieger]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Hornig]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Schramm]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Busse]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<source><![CDATA[J Neurol]]></source>
<year>1999</year>
<volume>246</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>257-64</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The relatively good outcome of cerebellum-brainstem ischemic strokes.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Korn-Lubetzki]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Molshatzki]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Benderly]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Steiner]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<source><![CDATA[Eur Neurol]]></source>
<year>2013</year>
<volume>69</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>8-13</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Frequency and risk factors for spontaneous hemorrhagic transformation of cerebral infarction.]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lindley]]></surname>
<given-names><![CDATA[RI]]></given-names>
</name>
<name>
<surname><![CDATA[Wardlaw]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[Sandercock]]></surname>
<given-names><![CDATA[PA]]></given-names>
</name>
</person-group>
<source><![CDATA[J Stroke Cerebrovasc Dis]]></source>
<year>2004</year>
<volume>13</volume>
<page-range>235-46</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
