<?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>S2011-75822012000100009</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Perforación intestinal por espina de pescado, revisión de la literatura científica y presentación de dos casos: literature review and report of two cases]]></article-title>
<article-title xml:lang="en"><![CDATA[Intestinal perforation by fish bone]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barragán]]></surname>
<given-names><![CDATA[Catalina]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rueda]]></surname>
<given-names><![CDATA[Juan David]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espitia]]></surname>
<given-names><![CDATA[Erik]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Uriza]]></surname>
<given-names><![CDATA[Luis Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosselli]]></surname>
<given-names><![CDATA[Diego]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Pontificia Universidad Javeriana Departamento de Epidemiología Clínica y Bioestadística ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universitario San Ignacio Sección de Cirugía General ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital Universitario San Ignacio Departamento de Radiología e Imágenes Diagnósticas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A04">
<institution><![CDATA[,Pontificia Universidad Javeriana Departamento de Epidemiología Clínica y Bioestadística ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2012</year>
</pub-date>
<volume>27</volume>
<numero>1</numero>
<fpage>79</fpage>
<lpage>84</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S2011-75822012000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S2011-75822012000100009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S2011-75822012000100009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La presentación clínica de las perforaciones intestinales secundarias a la ingestión involuntaria de espinas de pescado suele ser inespecífica, lo que hace difícil su diagnóstico. Por tratarse de un cuadro clínico relativamente frecuente y potencialmente fatal, es necesario establecer un diagnóstico temprano y una terapia quirúrgica inmediata. En este artículo se hace una revisión de la literatura y se presentan dos casos clínicos de perforación intestinal por espina de pescado atendidos en el Hospital Universitario San Ignacio. El propósito de este trabajo es revisar la literatura y reportar dos casos tratados en el Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogotá, D.C., Colombia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The clinical presentation of an intestinal perforation secondary to involuntary ingestion of a fish bone tends to be nonspecific, making the diagnosis difficult. Nevertheless, the high frequency of this clinical entity, which undiagnosed may be fatal, makes it necessary to establish prompt diagnosis and treatment. Our objective in this paper is to review the literature and report two cases managed at Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogotá, D.C., Colombia.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[perforación intestinal]]></kwd>
<kwd lng="es"><![CDATA[cuerpos extraños]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico]]></kwd>
<kwd lng="es"><![CDATA[diagnóstico por imagen]]></kwd>
<kwd lng="es"><![CDATA[complicaciones]]></kwd>
<kwd lng="en"><![CDATA[intestinal]]></kwd>
<kwd lng="en"><![CDATA[perforation]]></kwd>
<kwd lng="en"><![CDATA[foreign bodies]]></kwd>
<kwd lng="en"><![CDATA[diagnosis]]></kwd>
<kwd lng="en"><![CDATA[diagnostic imaging]]></kwd>
<kwd lng="en"><![CDATA[complications]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font size="2" face="Verdana">  <h3>    <center>Perforaci&oacute;n intestinal por espina de pescado, revisi&oacute;n de la literatura cient&iacute;fica y presentaci&oacute;n de dos casos </center></h3> <h4>    <center>Intestinal perforation by fish bone: literature review and report of two cases</center></h4>     <p>    <center>Catalina Barrag&aacute;n<sup>1</sup>, Juan David Rueda<sup>1</sup>, Erik Espitia<sup>2</sup>, Luis Felipe Uriza<sup>3</sup>, Diego Rosselli<sup>4</sup></center></p>     <p><sup>1</sup> M&eacute;dico, asistente de investigaci&oacute;n, Departamento de Epidemiolog&iacute;a Cl&iacute;nica y Bioestad&iacute;stica, Pontificia Universidad Javeriana, Bogot&aacute;, D.C., Colombia <br />   <sup>2</sup> M&eacute;dico, cirujano general; profesor instructor, Facultad de Medicina; Secci&oacute;n de Cirug&iacute;a General, Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogot&aacute;, D.C., Colombia <br />   <sup>3</sup> M&eacute;dico radi&oacute;logo, mag&iacute;ster en epidemiolog&iacute;a cl&iacute;nica; profesor y director, Departamento de Radiolog&iacute;a e Im&aacute;genes Diagn&oacute;sticas, Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogot&aacute;, D.C., Colombia <br />  <sup>4</sup> M&eacute;dico neur&oacute;logo, profesor, Departamento de Epidemiolog&iacute;a Cl&iacute;nica y Bioestad&iacute;stica, Pontificia Universidad Javeriana, Bogot&aacute;, D.C., Colombia</p>     <p><b>Correspondencia</b>: Diego Rosselli, MD, EdM, MSc Correo electr&oacute;nico: <a href="mailto:diego.rosselli@gmail.com">diego.rosselli@gmail.com</a> Bogot&aacute;, D.C., Colombia.</p>     <p><b>Fecha de recibido</b>: 15 de junio de 2011. <b>Fecha de aprobaci&oacute;n</b>: 30 de junio de 2011.</p> <hr size> <h4>Resumen </h4>     <p>La presentaci&oacute;n cl&iacute;nica de las perforaciones intestinales secundarias a la ingesti&oacute;n involuntaria de espinas de pescado suele ser inespec&iacute;fica, lo que hace dif&iacute;cil su diagn&oacute;stico. Por tratarse de un cuadro cl&iacute;nico relativamente frecuente y potencialmente fatal, es necesario establecer un diagn&oacute;stico temprano y una terapia quir&uacute;rgica inmediata. </p>     <p>En este art&iacute;culo se hace una revisi&oacute;n de la literatura y se presentan dos casos cl&iacute;nicos de perforaci&oacute;n intestinal por espina de pescado atendidos en el Hospital Universitario San Ignacio. El prop&oacute;sito de este trabajo es revisar la literatura y reportar dos casos tratados en el Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogot&aacute;, D.C., Colombia.</p>     ]]></body>
<body><![CDATA[<p><b><i>Palabras clave</i></b>: perforaci&oacute;n intestinal; cuerpos extra&ntilde;os; diagn&oacute;stico; diagn&oacute;stico por imagen; complicaciones.</p> <hr size> <h4>Abstract </h4>     <p>The clinical presentation of an intestinal perforation secondary to involuntary ingestion of a fish bone tends to be nonspecific, making the diagnosis difficult. Nevertheless, the high frequency of this clinical entity, which undiagnosed may be fatal, makes it necessary to establish prompt diagnosis and treatment. Our objective in this paper is to review the literature and report two cases managed at Hospital Universitario San Ignacio, Pontificia Universidad Javeriana, Bogot&aacute;, D.C., Colombia. </p>     <p><i><b>Key words</b></i>: intestinal; perforation; foreign bodies; diagnosis; diagnostic imaging; complications.</p> <hr size> <h4>Introducci&oacute;n </h4>     <p>Se estima que en menos de 1 % de los casos de ingesti&oacute;n involuntaria de espinas de pescado llega a perforarse el tubo digestivo <sup>1-3</sup>. Estas perforaciones ocurren con mayor frecuencia en los &aacute;ngulos y estrecheces anat&oacute;micos, como el &iacute;leon distal <sup>4</sup>, la v&aacute;lvula ileocecal y la uni&oacute;n rectosigmoidea <sup>5,6</sup>. Es frecuente que el diagn&oacute;stico de perforaci&oacute;n intestinal por espina de pescado se confunda con enfermedades m&aacute;s comunes, como la apendicitis aguda o la diverticulitis aguda <sup>2</sup>, y no se haga la asociaci&oacute;n causal por el tiempo que normalmente transcurre desde la ingesti&oacute;n hasta la aparici&oacute;n de los s&iacute;ntomas, que suelen ser inespec&iacute;ficos: fiebre, malestar y dolor abdominal que progresa a una peritonitis localizada <sup>6</sup>. </p>     <p>Se presentan dos casos de pacientes que sufrieron perforaciones intestinales debidas a espinas de pescado y se describen sus complicaciones. Los dos concedieron su consentimiento escrito para la publicaci&oacute;n, incluyendo las im&aacute;genes. </p> <h4>Discusi&oacute;n y revisi&oacute;n de la literatura cient&iacute;fica  </h4>     <p>La perforaci&oacute;n por espina de pescado m&aacute;s antigua que encontramos en la literatura indexada, apareci&oacute; publicada en 1841 en uno de los primeros n&uacute;meros del Provincial Medical and Surgical Journal <sup>7</sup> (que luego se llamar&iacute;a British Medical Journal). Se trataba del caso de un hombre de 69 a&ntilde;os fallecido por una flebitis de la vena mesent&eacute;rica tras una perforaci&oacute;n g&aacute;strica por espina de pescado. Las perforaciones esof&aacute;gicas, que no son el tema de esta revisi&oacute;n, tienen m&uacute;ltiples complicaciones que van desde el absceso tiroideo <sup>8-11</sup> hasta el taponamiento cardiaco, pasando por neumot&oacute;rax <sup>12</sup> y mediastinitis <sup>13</sup>. En una serie colombiana de 60 pacientes con cuerpo extra&ntilde;o en el es&oacute;fago, atendidos en un hospital de Bogot&aacute;, en una tercera parte de ellos se encontr&oacute; una espina de pescado <sup>14</sup>.</p>     <p>Las perforaciones intestinales pueden tener diferentes presentaciones seg&uacute;n el sitio anat&oacute;mico de la lesi&oacute;n, el compromiso de los &oacute;rganos adyacentes y el tiempo de evoluci&oacute;n de los s&iacute;ntomas. Por lo regular, los pacientes con perforaci&oacute;n por espina de pescado reciben diagn&oacute;sticos iniciales de peritonitis aguda, localizada o generalizada, absceso intraabdominal o tumor de la pared abdominal <sup>9</sup>. En ocasiones, pueden presentar hemorragia, obstrucci&oacute;n intestinal o c&oacute;lico ureteral; se ha descrito el hallazgo fortuito de perforaciones intestinales por espina de pescado en sujetos asintom&aacute;ticos <sup>6</sup>.</p>     <p>Hay poblaciones con mayor riesgo de perforaci&oacute;n intestinal por ingesti&oacute;n de cuerpo extra&ntilde;o, como los prisioneros, los enfermos mentales, los alcoh&oacute;licos, los ni&ntilde;os y las personas con pr&oacute;tesis dentales. Tambi&eacute;n, se ha descrito como riesgo ocupacional en carpinteros y modistos <sup>15,16</sup>. En la perforaci&oacute;n por espina de pescado, que es el objeto extra&ntilde;o m&aacute;s com&uacute;n en las perforaciones, se ha descrito la obvia asociaci&oacute;n directa con la frecuencia de consumo de pescado en la dieta local <sup>3</sup>. Otros factores de riesgo para la ingesti&oacute;n involuntaria de espinas de pescado se presentan en ancianos, personas con incapacidad para lograr una formaci&oacute;n adecuada de bolo, enfermedad inflamatoria intestinal o uso de dentaduras postizas, que disminuyen el nivel de sensibilidad oral <sup>3,4</sup>.</p>     <p>Las complicaciones m&aacute;s frecuentes de la perforaci&oacute;n intestinal son formaci&oacute;n de absceso localizado, f&iacute;stulas colorrectales, colovesicales o enterovasculares, masas, pseudotumores epiploicos y bacteriemia <sup>4,6,17</sup>.</p>     <p>El cuadro cl&iacute;nico inicial es inespec&iacute;fico; la mayor&iacute;a de los pacientes progresan hacia peritonitis localizada y el diagn&oacute;stico preoperatorio en muchos de los casos se confunde con apendicitis o diverticulitis aguda, dependiendo del lugar de la sintomatolog&iacute;a <sup>6</sup>. El comportamiento puede ser el de un cuadro cl&iacute;nico agudo, subagudo o cr&oacute;nico. Aquellas perforaciones localizadas en est&oacute;mago, duodeno o colon con mayor frecuencia se presentan de manera cr&oacute;nica, mientras que las de yeyuno e &iacute;leon son agudas y, generalmente, se acompa&ntilde;an de fiebre y neutrofilia; en muchas oportunidades hay gas libre en la cavidad peritoneal. Por la variedad de presentaci&oacute;n del cuadro cl&iacute;nico, el interrogatorio es una herramienta esencial para la sospecha diagn&oacute;stica. Aunque el tiempo de paso por el tubo digestivo se calcula en una semana, se han descrito casos de meses y a&ntilde;os desde el momento de la ingesti&oacute;n hasta el inicio de los s&iacute;ntomas <sup>18</sup>.</p>     ]]></body>
<body><![CDATA[<p>La perforaci&oacute;n intestinal es una urgencia quir&uacute;rgica que requiere un diagn&oacute;stico r&aacute;pido. Se han propuesto m&uacute;ltiples alternativas imaginol&oacute;gicas cuando el cuadro de abdomen agudo no es claro. Las opciones incluyen radiograf&iacute;a de t&oacute;rax en busca de neumoperitoneo o TC de abdomen, con contraste.</p>     <p>La Tomograf&iacute;a computadorizada (TC) se considera el m&eacute;todo de imaginolog&iacute;a de elecci&oacute;n, porque permite identificar la presencia, el sitio y la causa de la perforaci&oacute;n intestinal <sup>19-22</sup>. Se puede ver extravasaci&oacute;n del medio de contraste oral, engrosamiento de la pared intestinal y aire libre en la cavidad abdominal, como signos radiol&oacute;gicos directos que sugieren perforaci&oacute;n intestinal <sup>23-25</sup>. La infiltraci&oacute;n grasa, el absceso o el flegm&oacute;n adyacente al intestino, y la obstrucci&oacute;n intestinal asociada, son signos indirectos <sup>6</sup>.</p>     <p>Seg&uacute;n los hallazgos encontrados por Stapakis, et al. <sup>26</sup>, la radiograf&iacute;a de t&oacute;rax puede evidenciar neumoperitoneo en cerca de 30 % de los casos, mientras que la TC tiene una capacidad de demostrar aire libre en todos los casos. Estas cifras pueden variar dependiendo de la presentaci&oacute;n cl&iacute;nica ya que las perforaciones intestinales distales, por lo general, no presentan aire libre <sup>23,27</sup>. La presencia de aire libre en la cavidad abdominal puede variar en los casos de perforaciones intestinales, pues el grado de compactaci&oacute;n de la espina de pescado en la pared intestinal es progresivo, lo que permite que el &aacute;rea involucrada se recubra de fibrina, asas intestinales adyacentes y epiplones <sup>6</sup>.</p>     <p>El diagn&oacute;stico de perforaci&oacute;n intestinal por espina de pescado rara vez se hace en el servicio de urgencias. Sin embargo, la condici&oacute;n cl&iacute;nica del paciente y el hallazgo de abdomen agudo obligan al grupo m&eacute;dico tratante a resolver prontamente la causa desencadenante, independientemente de los resultados de los ex&aacute;menes paracl&iacute;nicos, algunos de los cuales pueden retardar el manejo quir&uacute;rgico.</p>     <p>La reanimaci&oacute;n hidroelectrol&iacute;tica en estos pacientes es fundamental desde su ingreso. Est&aacute; documentado que la primera reacci&oacute;n del peritoneo, una vez el in&oacute;culo por bacterias se presenta en la cavidad abdominal, es la hiperemia, y el incremento del exudado y de los fagocitos, con la consecuente liberaci&oacute;n de citocinas (IL-1, IL-6, factor de necrosis tumoral, leucotrienos y factor activador de plaquetas, entre otras). Todo esto incrementa la respuesta inflamatoria, favoreciendo un tercer espacio intraabdominal y disminuyendo el componente intravascular, lo que repercute en la precarga, el gasto cardiaco y la filtraci&oacute;n glomerular, entre otras. As&iacute; mismo, la liberaci&oacute;n de catecolaminas y el incremento de la secreci&oacute;n de hormonas, pueden condicionar la alteraci&oacute;n hemodin&aacute;mica. Lo anterior sustenta el abordaje agresivo con un buen aporte h&iacute;drico, como uno de los componentes fundamentales desde la llegada del paciente al servicio de urgencias <sup>28-30</sup>.</p>     <p>En la perforaci&oacute;n intestinal por espina de pescado se pueden presentar b&aacute;sicamente dos posibilidades. La perforaci&oacute;n puede localizarse y, mediante los mecanismos de defensa peritoneal, llevar a la formaci&oacute;n de plastr&oacute;n. La otra posibilidad es que se presente peritonitis secundaria a la perforaci&oacute;n. Los g&eacute;rmenes que con frecuencia se encuentran son E. coli, Streptococcus, Enterobacter spp., Klebsiella spp., <i>Enterococcus spp</i>., <i>Pseudomonas aeruginosa</i>, <i>Proteus spp</i>., <i>Staphylococcus aureus</i> y <i>S. epidermidis</i> <sup>6,28,31</sup>. El tratamiento antibi&oacute;tico debe iniciarse desde antes de la cirug&iacute;a, continuarse y modificarse de acuerdo con los resultados de los cultivos.</p>     <p>Con relaci&oacute;n al abordaje quir&uacute;rgico, en su gran mayor&iacute;a, estos pacientes son llevados a laparotom&iacute;a exploratoria, que permite una valoraci&oacute;n completa de la cavidad abdominal. Ante una peritonitis, existen tres principios b&aacute;sicos, que incluyen control del foco de infecci&oacute;n, reducci&oacute;n de la contaminaci&oacute;n bacteriana y prevenci&oacute;n de la infecci&oacute;n persistente o recurrente. El abordaje por laparoscopia permite f&aacute;cilmente llevar a cabo estos tres principios, siempre y cuando se tenga experiencia en la t&eacute;cnica <sup>32-34</sup>. El objetivo principal es el control primario del sitio de perforaci&oacute;n mediante el cierre primario o de la resecci&oacute;n del segmento y anastomosis <sup>35</sup>. Esto depende de las caracter&iacute;sticas locales y de la vitalidad del tejido comprometido <sup>6,32,36</sup>. Cabe anotar que en las lesiones en colon por perforaci&oacute;n con espina de pescado, en un terreno inflamatorio, bajo condiciones de peritonitis, se recomienda la resecci&oacute;n anat&oacute;mica de colon, bien sea hemicolectom&iacute;a derecha con ileostom&iacute;a y f&iacute;stula mucosa-mucosa o, en caso de perforaci&oacute;n de colon izquierdo o recto, llevar a cabo el procedimiento de Hartmann, controlando el foco infeccioso y, meses despu&eacute;s cuando las condiciones del paciente lo permitan, practicar la anastomosis <sup>32,34,36</sup>.</p>     <p>La necesidad de mantener el abdomen abierto y de hacer lavados abdominales, queda a decisi&oacute;n del cirujano; sin embargo, es una conducta totalmente acertada en caso de peritonitis fecaloide o cuando las condiciones cr&iacute;ticas del paciente en la cirug&iacute;a inicial s&oacute;lo permiten el retiro del segmento comprometido sin prolongar innecesariamente el procedimiento quir&uacute;rgico <sup>27,37,38</sup>.</p>     <p>La pronta resoluci&oacute;n de la causa desencadenante disminuye la probabilidad de que se desarrollen s&iacute;ndrome de respuesta inflamatoria sist&eacute;mica, sepsis o falla org&aacute;nica m&uacute;ltiple. Las medidas de soporte h&iacute;drico, antibi&oacute;tico y vasopresor, si se requiere, acompa&ntilde;adas de una temprana intervenci&oacute;n quir&uacute;rgica, control y seguimiento posoperatorio estricto, son vitales en este tipo de pacientes.</p> <h4>Caso 1 </h4>     <p>Un hombre de 59 a&ntilde;os consult&oacute; por cuadro de dolor abdominal en epigastrio irradiado a hipocondrio derecho de ocho d&iacute;as de evoluci&oacute;n, asociado a fiebre, escalofr&iacute;o, astenia y adinamia. En el examen f&iacute;sico se encontr&oacute; en regular estado, con signos de respuesta inflamatoria sist&eacute;mica dados por taquicardia, fiebre, taquipnea y leucocitosis; cardiopulmonar normal y abdomen con dolor a la palpaci&oacute;n en hipocondrio derecho. Con signo de Murphy positivo. La TC de abdomen evidenci&oacute; colecci&oacute;n adyacente al &aacute;ngulo hep&aacute;tico del colon, con engrosamiento del mismo, as&iacute; como presencia de un cuerpo extra&ntilde;o con densidad &oacute;sea, rodeado de un absceso en el segmento VI del h&iacute;gado (<a href="#figura1">figura 1</a>). Se practic&oacute; laparotom&iacute;a exploratoria y se encontr&oacute; perforaci&oacute;n de 4 cm x 5 cm en cara posteromedial de &aacute;ngulo hep&aacute;tico del colon, con absceso hep&aacute;tico que compromet&iacute;a l&oacute;bulo derecho, con evidencia de espina de pescado de 5 cm de longitud sobre el lecho cruento. Se practic&oacute; hemicolectom&iacute;a derecha, ileostom&iacute;a m&aacute;s f&iacute;stula mucosa, y se dren&oacute; el absceso hep&aacute;tico. Requiri&oacute; varios lavados abdominales, curs&oacute; con buena evoluci&oacute;n posoperatoria, y fue dado de alta.</p>     ]]></body>
<body><![CDATA[<p>    <center><a name="figura1"></a>    <br> <img src="img/revistas/rcci/v27n1/v27n1a9f1.gif"></center></p> <h4>Caso 2 </h4>     <p>Una mujer de 65 a&ntilde;os consult&oacute; por dolor abdominal difuso de tipo c&oacute;lico de cuatro d&iacute;as de evoluci&oacute;n, fiebre no cuantificada, sin v&oacute;mito y h&aacute;bito intestinal normal. Ten&iacute;a antecedente de evento cerebrovascular 10 a&ntilde;os atr&aacute;s sin secuelas e histerectom&iacute;a abdominal por miomatosis. En el examen de ingreso se registr&oacute; taquicardia, taquipnea, y leucocitosis, y dolor en flanco y fosa il&iacute;aca izquierda. Se practic&oacute; TC de abdomen, con contraste, ante la sospecha de enfermedad diverticular complicada, que evidenci&oacute; perforaci&oacute;n del &iacute;leon distal por una estructura hiperdensa de 28 mm, asociada con alteraci&oacute;n de la grasa adyacente; adem&aacute;s, se encontr&oacute; ureterolitiasis derecha (figuras <a href="#figura2">2</a> y <a href="#figura3">3</a>). Se llev&oacute; a cirug&iacute;a, y se encontr&oacute; perforaci&oacute;n por espina de pescado en el borde antimesent&eacute;rico, a 15 cm de la v&aacute;lvula ileocecal, con plastr&oacute;n adyacente a la lesi&oacute;n y sin peritonitis. Se practic&oacute; hemicolectom&iacute;a derecha con anastomosis lateroterminal de &iacute;leon a colon transverso con sutura mec&aacute;nica. En el posoperatorio present&oacute; dehiscencia de la anastomosis, que requiri&oacute; ileostom&iacute;a, con f&iacute;stula mucosa y m&uacute;ltiples lavados abdominales, con una evoluci&oacute;n muy t&oacute;rpida en cuidado intensivo y con deterioro progresivo. Un mes despu&eacute;s de su ingreso al hospital, la paciente falleci&oacute; por falla respiratoria.</p>     <p>    <center><a name="figura2"></a>    <br> <img src="img/revistas/rcci/v27n1/v27n1a9f2.jpg"></center></p>     <p>    <center><a name="figura3"></a>    <br> <img src="img/revistas/rcci/v27n1/v27n1a9f3.jpg"></center></p> <h4>Conclusi&oacute;n  </h4>     ]]></body>
<body><![CDATA[<p>La perforaci&oacute;n intestinal debida a la ingesti&oacute;n de espina de pescado es un motivo relativamente frecuente de consulta en nuestro medio. En general, su pron&oacute;stico es malo pues la evoluci&oacute;n con el tratamiento antibi&oacute;tico es t&oacute;rpida, las complicaciones son frecuentes y la mortalidad es alta, lo cual se agrava por el tiempo que trascurre antes del diagn&oacute;stico acertado. Hasta este momento, la mejor opci&oacute;n terap&eacute;utica es el manejo quir&uacute;rgico orientado por las im&aacute;genes diagn&oacute;sticas oportunas.</p>     <p>Este trabajo no recibi&oacute; el apoyo econ&oacute;mico de la industria farmac&eacute;utica. Los autores no manifiestan ning&uacute;n conflicto de inter&eacute;s.</p> <h4>Referencias </h4>     <!-- ref --><p>1. Chiu JJ, Chen TL, Zhan YL. Perforation of the transverse colon by a fish bone: Acase report. 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