<?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>2011-7582</journal-id>
<journal-title><![CDATA[Revista Colombiana de Cirugía]]></journal-title>
<abbrev-journal-title><![CDATA[rev. colomb. cir.]]></abbrev-journal-title>
<issn>2011-7582</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Cirugía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2011-75822011000400009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Hematuria fatal por fístula ilíaco-vesical, reporte de caso]]></article-title>
<article-title xml:lang="en"><![CDATA[Lethal hematuria du to ilio-vesical fistula. Case report]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinel]]></surname>
<given-names><![CDATA[Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrera]]></surname>
<given-names><![CDATA[Juan Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amarillo]]></surname>
<given-names><![CDATA[Jaime Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murcia]]></surname>
<given-names><![CDATA[Adriana Sofía]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Fundación Cardiovascular de Colombia Servicio de Cirugía Vascular y Endovascular Departamento de Cirugía Cardiovascular]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Fundación Cardiovascular de Colombia Servicio de Cirugía Vascular y Endovascular Departamento de Cirugía Cardiovascular]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Fundación Cardiovascular de Colombia Servicio de Cirugía Vascular y Endovascular Departamento de Cirugía Cardiovascular]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Fundación Cardiovascular de Colombia Departamento de Cirugía Cardiovascular ]]></institution>
<addr-line><![CDATA[Bucaramanga ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2011</year>
</pub-date>
<volume>26</volume>
<numero>4</numero>
<fpage>13</fpage>
<lpage>317</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822011000400009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822011000400009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822011000400009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Las fístulas ilíaco-vesicales son una rara complicación de los aneurismas de la aorta abdominal. Se presenta el caso de un paciente de 76 años con aneurisma roto de arteria ilíaca contenido en vejiga, que se manifestó por dolor abdominal y hematuria, y en quien se sospechó por tomografía una fístula ilíaco-vesical, la cual se confirmó durante la cirugía. El paciente falleció a los 20 días del procedimiento, por shock mixto séptico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Iliocovesical fistulas are infrequent complications of abdominal aortic aneurysms (AAA). We report the case of a 76 year-old male with a contained ruptured aneurysm of the iliac to the urinary bladder. Complaints on presentation were abdominal pain and hematuria; suspected iliacovesical fistula was reported on a computed tomography (CT) scan, which was confirmed during laparotomy. The patient died 20 days after the procedure due to mixed distributive septic shock.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[hematuria]]></kwd>
<kwd lng="es"><![CDATA[fístula]]></kwd>
<kwd lng="es"><![CDATA[fístula de la vejiga urinaria]]></kwd>
<kwd lng="es"><![CDATA[fístula vascular]]></kwd>
<kwd lng="es"><![CDATA[arteria ilíaca]]></kwd>
<kwd lng="es"><![CDATA[aneurisma]]></kwd>
<kwd lng="en"><![CDATA[hematuria]]></kwd>
<kwd lng="en"><![CDATA[fistula]]></kwd>
<kwd lng="en"><![CDATA[urinary bladder fistula]]></kwd>
<kwd lng="en"><![CDATA[vascular fistula]]></kwd>
<kwd lng="en"><![CDATA[iliac artery]]></kwd>
<kwd lng="en"><![CDATA[aneurysm]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="Verdana">  <h3>    <center>Hematuria fatal por f&iacute;stula il&iacute;aco-vesical, reporte de caso </center></h3> <h4>    <center>Lethal hematuria du to ilio-vesical fistula. Case report</center></h4>     <p>    <center>Camilo Espinel<sup>1</sup>, Juan Guillermo Barrera<sup>2</sup>, Jaime Eduardo Amarillo<sup>3</sup>, Adriana Sof&iacute;a Murcia<sup>4</sup></center></p>     <p><sup>1</sup> M&eacute;dico cirujano vascular, Departamento de Cirug&iacute;a Cardiovascular, Servicio de Cirug&iacute;a Vascular y Endovascular, Fundaci&oacute;n Cardiovascular de Colombia, Docente Postgrado Cirug&iacute;a Vascular, Universidad El Bosque, Bucaramanga, Colombia <br /> <sup>2</sup>M&eacute;dico cirujano vascular; jefe, Cirug&iacute;a Vascular, Departamento de Cirug&iacute;a Cardiovascular, Servicio de Cirug&iacute;a Vascular y Endovascular, Fundaci&oacute;n Cardiovascular de Colombia, Docente Postgrado Cirug&iacute;a Vascular, Universidad El Bosque, Bucaramanga, Colombia <br /> <sup>3</sup> M&eacute;dico, residente de Posgrado de Cirug&iacute;a Vascular: Universidad El Bosque, Departamento de Cirug&iacute;a Cardiovascular, Servicio de Cirug&iacute;a Vascular y Endovascular, Fundaci&oacute;n Cardiovascular de Colombia, Bucaramanga, Colombia <br /> <sup>4</sup> M&eacute;dico de Investigaciones, Departamento de Cirug&iacute;a Cardiovascular, Fundaci&oacute;n Cardiovascular de Colombia, Bucaramanga, Colombia</p>     <p><b>Correspondencia</b>: Adriana Sof&iacute;a Murcia, MD Correo electr&oacute;nico: <a href="mailto:adrianamurcia@fcv.org" target="_blank">adrianamurcia@fcv.org</a> Bucaramanga, Colombia</p>     <p>Fecha de recibido: 22 de marzo de 2011 Fecha de aprobaci&oacute;n: 9 de abril de 2011</p> <hr size> <h4>Resumen </h4>     <p>Las f&iacute;stulas il&iacute;aco-vesicales son una rara complicaci&oacute;n de los aneurismas de la aorta abdominal. Se presenta el caso de un paciente de 76 a&ntilde;os con aneurisma roto de arteria il&iacute;aca contenido en vejiga, que se manifest&oacute; por dolor abdominal y hematuria, y en quien se sospech&oacute; por tomograf&iacute;a una f&iacute;stula il&iacute;aco-vesical, la cual se confirm&oacute; durante la cirug&iacute;a. El paciente falleci&oacute; a los 20 d&iacute;as del procedimiento, por shock mixto s&eacute;ptico.</p>     <p>Palabras clave: hematuria; f&iacute;stula; f&iacute;stula de la vejiga urinaria; f&iacute;stula vascular; arteria il&iacute;aca; aneurisma.</p> <hr size> <h4>Abstract</h4>     ]]></body>
<body><![CDATA[<p>Iliocovesical fistulas are infrequent complications of abdominal aortic aneurysms (AAA). We report the case of a 76 year-old male with a contained ruptured aneurysm of the iliac to the urinary bladder. Complaints on presentation were abdominal pain and hematuria; suspected iliacovesical fistula was reported on a computed tomography (CT) scan, which was confirmed during laparotomy. The patient died 20 days after the procedure due to mixed distributive septic shock. </p>     <p><b>Key words</b>: hematuria; fistula; urinary bladder fistula; vascular fistula ; iliac artery; aneurysm.</p> <hr size> <h4>Introducci&oacute;n </h4>     <p>La fistulizaci&oacute;n entre la arteria il&iacute;aca y la vejiga es una causa poco frecuente de hematuria 1. Los casos descritos en la literatura cient&iacute;fica, generalmente, se han presentado en pacientes con antecedentes quir&uacute;rgicos sobre la aorta o de manipulaci&oacute;n terap&eacute;utica o diagn&oacute;stica sobre la vejiga 2-7. </p>     <p>El objetivo de este art&iacute;culo fue revisar la literatura existente sobre el tema, para evaluar el tratamiento dado a un paciente resaltando la importancia de considerar la posibilidad de fistulizaci&oacute;n entre un aneurisma de la arteria il&iacute;aca y la vejiga, en pacientes adultos mayores con hematuria macrosc&oacute;pica acompa&ntilde;ada de dolor abdominal o lumbar, m&aacute;s masa puls&aacute;til.</p> <h4>Presentaci&oacute;n del caso </h4>     <p>Se trata de un paciente de sexo masculino de 76 a&ntilde;os de edad con antecedentes de hipertensi&oacute;n arterial, tabaquismo pesado y aneurisma de aorta abdominal diagnosticado un a&ntilde;o antes, con rechazo de la opci&oacute;n quir&uacute;rgica, que ingres&oacute; a urgencias remitido de otra ciudad por un cuadro cl&iacute;nico de ocho d&iacute;as de dolor lumbar, franca hematuria macrosc&oacute;pica, hipotensi&oacute;n y masa puls&aacute;til abdominal.</p>     <p>En el examen f&iacute;sico de ingreso se encontr&oacute; un paciente en regulares condiciones generales, caqu&eacute;ctico y p&aacute;lido. Presentaba tensi&oacute;n arterial de 98/54 mmHg, frecuencia card&iacute;aca de 99 por minuto, saturaci&oacute;n de ox&iacute;geno de 90 %, ruidos card&iacute;acos r&iacute;tmicos con extras&iacute;stoles ocasionales, disminuci&oacute;n del murmullo vesicular en las bases pulmonares, masa abdominal renitente y sonda vesical con hematuria franca, ausencia de pulsos popl&iacute;teos y pedios.</p>     <p>Los ex&aacute;menes de laboratorio de ingreso reportaron: hemoglobina, 7,9 g/dl; hematocrito, 21,8%; leucocitos, 11.780/ml; creatinina, 3,76 mg/dl, y nitr&oacute;geno ureico, 69,6 mg/dl.</p>     <p>Dado el alto grado de disfunci&oacute;n renal al ingreso, que contraindicaba el uso de medio de contraste intravenoso para el estudio de angiotomograf&iacute;a, se decidi&oacute; practicar una tomograf&iacute;a computadorizada abdominal sin contraste, que report&oacute; un enorme aneurisma fusiforme de la arteria il&iacute;aca primitiva izquierda, de 82 x 103 mm, con signos de ruptura contenida y con imagen muy sugestiva de f&iacute;stula il&iacute;aco-vesical (figuras <a href="#figura1">1</a> y <a href="#figura2">2</a>).</p>     <p>    <center>     <a name="figura1"></a>    ]]></body>
<body><![CDATA[<br>     <img src="img/revistas/rcci/v26n4/v26n4a9f1.jpg">   </center></p>     <p>    <center>     <a name="figura2"></a>    <br>     <img src="img/revistas/rcci/v26n4/v26n4a9f2.jpg"> </center></p>     <p>Se traslad&oacute; a cirug&iacute;a de urgencia, donde se confirmaron los hallazgos tomogr&aacute;ficos y se hizo reparaci&oacute;n quir&uacute;rgica del aneurisma de aorta abdominal y de il&iacute;acas, drenaje de co&aacute;gulos de la vejiga urinaria, cistorrafia, correcci&oacute;n de f&iacute;stula il&iacute;aco-vesical y derivaci&oacute;n bifemoral de aorta.</p>     <p>El paciente egres&oacute; de cirug&iacute;a con compresas y laparotom&iacute;a abierta, insuficiencia renal cr&oacute;nica agudizada, de origen prerrenal por choque hipovol&eacute;mico, acidemia metab&oacute;lica y s&iacute;ndrome de reperfusi&oacute;n que requiri&oacute; reanimaci&oacute;n avanzada y m&uacute;ltiples transfusiones de hemoderivados.</p>     <p>A las 36 horas, requiri&oacute; toracostom&iacute;a cerrada izquierda por neumot&oacute;rax y tromboembolectom&iacute;a de miembro inferior izquierdo por oclusi&oacute;n aguda posoperatoria. Permaneci&oacute; en la unidad de cuidados intensivos durante 20 d&iacute;as, donde present&oacute; s&iacute;ndrome ict&eacute;rico por aumento de la bilirrubina indirecta y patr&oacute;n colest&aacute;sico secundario a isoinmunizaci&oacute;n por politransfusi&oacute;n; adem&aacute;s, insuficiencia renal aguda dial&iacute;tica. Muri&oacute; con falla multisist&eacute;mica grave por choque s&eacute;ptico mixto.</p> <h4>Revisi&oacute;n de la literatura</h4>     <p>Las complicaciones potenciales de los aneurismas de aorta abdominal incluyen ruptura, f&iacute;stulas, compresi&oacute;n de estructuras adyacentes, infecciones y tromboembolismo. Alrededor de 95% de los aneurismas de aorta abdominal se rompen al espacio retroperitoneal. La ruptura de un aneurisma de aorta a otras v&iacute;sceras es infrecuente; lo m&aacute;s habitual es a la vena cava inferior, seguida de las venas il&iacute;acas, la vena renal izquierda o el intestino. La fistulizaci&oacute;n de la aorta aneurism&aacute;tica a otros &oacute;rganos vecinos es rara y, cuando se presenta, generalmente est&aacute; relacionada con antecedentes quir&uacute;rgicos previos, infecciones, traumatismos, irradiaci&oacute;n o manipulaci&oacute;n diagn&oacute;stica o terap&eacute;utica prolongada de las v&iacute;as urinarias 1.</p>     <p>Los aneurismas de la arteria il&iacute;aca usualmente coexisten con aneurismas de aorta abdominal y ocurren m&aacute;s frecuentemente en hombres. El diagn&oacute;stico es dif&iacute;cil no s&oacute;lo por su rara ocurrencia sino por su presentaci&oacute;n at&iacute;pica y la posici&oacute;n anat&oacute;mica profunda de la arteria en la pelvis. Por estas razones, un aneurisma de la arteria il&iacute;aca no es considerado en los diagn&oacute;sticos diferenciales iniciales de hematuria macrosc&oacute;pica 8.</p>     <p>En cuanto a las f&iacute;stulas aorto-venosas, el sitio m&aacute;s com&uacute;n es la vena cava inferior, con una incidencia aproximada de 0,22 a 6,04 % de todos los aneurismas de aorta abdominal. M&aacute;s de 80 % de los casos de f&iacute;stulas aorto-cava se deben a la ruptura de un gran aneurisma de aorta; otras causas son los traumatismos abdominales penetrantes, yatrogenia, principalmente cirug&iacute;a de disco lumbar, o cateterismos. Se han reportado muchos casos de f&iacute;stulas aorto-cava y de f&iacute;stulas aorto-venosas a la vena renal izquierda 9-13.</p>     ]]></body>
<body><![CDATA[<p>Las fistulas aorto-ent&eacute;ricas tienen una incidencia reportada de 0,36 a 2 % y se presentan en pacientes que han sido sometidos a cirug&iacute;a de reconstrucci&oacute;n aorto-il&iacute;aca con pr&oacute;tesis; en menor proporci&oacute;n, se han reportado f&iacute;stulas aorto-duodenales y aortoesof&aacute;gicas 14-17.</p>     <p>Las f&iacute;stulas entre la aorta y el sistema genitourinario son m&aacute;s raras a&uacute;n y su descripci&oacute;n se limita a reportes aislados de casos, por ejemplo, f&iacute;stula de aneurisma de aorta abdominal a un quiste renal, f&iacute;stulas aorto-ureterales en pacientes con antecedentes recientes o de varios a&ntilde;os de cirug&iacute;as sobre aneurismas abdominales previos o de manipulaci&oacute;n sobre vejiga y ur&eacute;ter; incluso, se report&oacute; un caso de f&iacute;stula primaria simult&aacute;nea aorto-c&oacute;lica y aortovesical 18,20. Por tanto, la ruptura directa de un aneurisma de la arteria iliaca a la vejiga asociado a hematuria es muy rara y solo se han publicado algunos casos 21-25.</p>     <p>La hematuria macrosc&oacute;pica asociada a la ruptura del aneurisma de aorta abdominal puede ser causada por infarto renal, debido a la compresi&oacute;n arterial renal o por disecci&oacute;n, por la congesti&oacute;n renal debido a la perforaci&oacute;n venosa renal, por la congesti&oacute;n de la vejiga urinaria por f&iacute;stula aorto-cava, posiblemente por hidronefrosis por obstrucci&oacute;n ureteral, y por perforaci&oacute;n de la vejiga urinaria.</p>     <p>La ruptura de un aneurisma de la arteria il&iacute;aca puede ser fatal si no se diagnostica r&aacute;pidamente, por lo tanto, la coexistencia en un paciente adulto mayor de dolor abdominal y hematuria macrosc&oacute;pica masiva pueden ser las manifestaciones cl&iacute;nicas de esta patolog&iacute;a poco frecuente pero que se debe considerar en raz&oacute;n de su alta mortalidad. Creemos que estos pacientes requieren intervenci&oacute;n quir&uacute;rgica convencional inmediata, teniendo en cuenta las t&eacute;cnicas que permitan disminuir el volumen de sangrado en la fase aguda del procedimiento y disminuir el riesgo de infecci&oacute;n a corto y mediano plazo.</p>     <p>Para el tratamiento de los aneurismas de las arterias il&iacute;acas se dispone de la cirug&iacute;a convencional y la cirug&iacute;a endovascular. De estas dos opciones la resecci&oacute;n y reconstrucci&oacute;n sigue siendo el tratamiento de preferencia, a pesar del desaf&iacute;o t&eacute;cnico debido a la profundidad anat&oacute;mica de la arteria il&iacute;aca. La exclusi&oacute;n del aneurisma es el procedimiento m&aacute;s simple pero a largo plazo no se garantiza que crezca a expensas de ramas colaterales, y por tanto, permanezca el riesgo de ruptura. Cuando, como en el caso presentado, el aneurisma es unilateral y la arteria il&iacute;aca contralateral est&aacute; libre de enfermedad, el mejor resultado quir&uacute;rgico se logra con aneurismorrafia para el reparo y reconstrucci&oacute;n de las ramas proximales y distales del cuello.</p>     <p>Nos llama la atenci&oacute;n que en los pocos casos publicados en la literatura, no hay una descripci&oacute;n precisa de las posibles complicaciones infecciosas. En el caso reportado, el desenlace final se asoci&oacute; a una sepsis de origen urinario que podr&iacute;a estar relacionado con un componente obstructivo cr&oacute;nico secundario a la compresi&oacute;n extr&iacute;nseca por el aneurisma y que termina en una contaminaci&oacute;n al sistema circulatorio de manera aguda y fatal.</p> <h4>Conclusiones</h4>     <p> Las f&iacute;stulas primarias entre la aorta y la vejiga son una complicaci&oacute;n poco frecuente de los aneurismas  de aorta abdominal. Se requiere un alto grado de sospecha para considerar su diagn&oacute;stico en pacientes mayores con dolor abdominal y lumbar m&aacute;s hematuria macrosc&oacute;pica.</p> <h4>Referencias</h4>     <!-- ref --><p>1. Davidovic LB, Markovic MD, Jakovljevic NS, Cvetkovic D, Kuzmanovic IB, Markovic DM. Unusual forms of ruptured abdominal aortic aneurysms. Vascular. 2008;16:17-24. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000040&pid=S2011-7582201100040000900001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p>2. Pinto D, Bez L, Dias J, Souza C, Mandil A. Aneurisma il&iacute;aco asociado a f&iacute;stula arteriovenosa. 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