<?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>0120-9957</journal-id>
<journal-title><![CDATA[Revista colombiana de Gastroenterología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Col Gastroenterol]]></abbrev-journal-title>
<issn>0120-9957</issn>
<publisher>
<publisher-name><![CDATA[Asociación Colombiana de Gastroenterología  ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-99572015000400013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Pancreatitis aguda y elevación de aminotransferasas:¿en qué pensar?: Reporte de caso y revisión de la literatura]]></article-title>
<article-title xml:lang="en"><![CDATA[Acute Pancreatitis and Elevated Aminotransferases: What to Think?: A Case Report and Literature Review]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[Diana Carolina]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otero Regino]]></surname>
<given-names><![CDATA[William]]></given-names>
</name>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Zuleta]]></surname>
<given-names><![CDATA[Martin]]></given-names>
</name>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Nacional de Colombia Residencia medicina interna ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Nacional de Colombia Unidad de Gastroenterología ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>12</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>12</month>
<year>2015</year>
</pub-date>
<volume>30</volume>
<numero>4</numero>
<fpage>479</fpage>
<lpage>484</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-99572015000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-99572015000400013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-99572015000400013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La litiasis biliar está asociada desarrollo de pancreatitis aguda en el 40% de los casos, sin embargo la sensibilidad diagnóstica de la ecografía abdominal y la tomografía es limitada para hallar esta etiología. En el presente caso se ejemplifica el uso de las enzimas hepáticas aminotransferasas para la predicción del origen biliar en paciente con colecistectomía y ecografía abdominal negativa para colelitiasis y coledocolitiasis. Se presenta un paciente de 55 años, con un cuadro característico de pancreatitis aguda de origen biliar, a quien se hizo el diagnóstico y el tratamiento endoscópico recomendado]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Gallstones are associated with development of acute pancreatitis in 40% of cases, however the diagnostic sensitivities of abdominal ultrasound and CT scans for finding this etiology are limited. The case presented here exemplifies the predictive use of aminotransferase liver enzymes in patients with biliary cholecystectomy but abdominal ultrasound that is negative for cholelithiasis and choledocholithiasis. The case is a 55 year old patient whose clinical picture was consistent with acute biliary pancreatitis. The diagnosis was made and endoscopic treatment was recommended]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Pancreatitis biliar]]></kwd>
<kwd lng="es"><![CDATA[ALT]]></kwd>
<kwd lng="es"><![CDATA[ultrasonografía endoscópica]]></kwd>
<kwd lng="es"><![CDATA[ecografía]]></kwd>
<kwd lng="en"><![CDATA[Biliary pancreatitis]]></kwd>
<kwd lng="en"><![CDATA[ALT]]></kwd>
<kwd lng="en"><![CDATA[endoscopic ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[ultrasound]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <FONT FACE="Verdana" SIZE=4>    <p align="center"><b>Pancreatitis aguda y elevaci&oacute;n de aminotransferasas: &iquest;en qu&eacute; pensar? Reporte de caso y revisi&oacute;n de la literatura</b></p></FONT> <FONT FACE="Verdana" SIZE=4>    <p align="center"><b>Acute Pancreatitis and Elevated Aminotransferases: What to   Think?  A Case Report and Literature Review</b></p></FONT> <FONT FACE="Verdana" SIZE=2>    <p align="center">Diana Carolina D&iacute;az MD. (1), William Otero Regino MD. (2),   Martin G&oacute;mez Zuleta MD. (3)</p>     <p>(1) Residente de Medicina Interna. Universidad Nacional de   Colombia. Bogot&aacute;, Colombia.</p>     <p>(2) Profesor de Medicina. Gastroenter&oacute;logo, Unidad de   Gastroenterolog&iacute;a. Universidad Nacional de Colombia. Cl&iacute;nica Fundadores, Bogot&aacute;,   Colombia. Correo electr&oacute;nico: <a href="waoteror@gmail.com">waoteror@gmail.com</a></p>     <p>(3) Profesor asociado de Gastroenterolog&iacute;a, Facultad de   Medicina, Universidad Nacional. Gastroenter&oacute;logo Hospital El Tunal.   Gastroenter&oacute;logo UGEC. Bogot&aacute;, Colombia</p>     <p>Fecha recibido:    28-04-15  Fecha aceptado:  20-10-15</p>     <p><b>Resumen</b></p>     <p>La litiasis biliar est&aacute; asociada desarrollo de pancreatitis   aguda en el 40% de los casos, sin embargo la sensibilidad diagn&oacute;stica de la   ecograf&iacute;a abdominal y la tomograf&iacute;a es limitada para hallar esta etiolog&iacute;a. En   el presente caso se ejemplifica el uso de las enzimas hep&aacute;ticas   aminotransferasas para la predicci&oacute;n del origen biliar en paciente con   colecistectom&iacute;a y ecograf&iacute;a abdominal negativa para colelitiasis y   coledocolitiasis. Se presenta un paciente de 55 a&ntilde;os, con un cuadro   caracter&iacute;stico de pancreatitis aguda de origen biliar, a quien se hizo el   diagn&oacute;stico y el tratamiento endosc&oacute;pico recomendado.</p>     ]]></body>
<body><![CDATA[<p><b>Palabras clave</b></p>     <p>Pancreatitis biliar, ALT, ultrasonograf&iacute;a endosc&oacute;pica,   ecograf&iacute;a.</p>     <p><b>Abstract</b></p>     <p>Gallstones are associated with development of acute   pancreatitis in 40% of cases, however the diagnostic sensitivities of abdominal   ultrasound and CT scans for finding this etiology are limited. The case   presented here exemplifies the predictive use of aminotransferase liver enzymes   in patients with biliary cholecystectomy but abdominal ultrasound that is   negative for cholelithiasis and choledocholithiasis. The case is a 55 year old   patient whose clinical picture was consistent with acute biliary pancreatitis.   The diagnosis was made and endoscopic treatment was recommended.</p>     <p><b>Keywords</b></p>     <p>Biliary pancreatitis, ALT, endoscopic ultrasonography,   ultrasound.</p>     <p><b>INTRODUCCI&Oacute;N</b></p>     <p>La pancreatitis aguda (PA) es una de las entidades m&aacute;s frecuentemente atendida   por los servicios de gastroenterolog&iacute;a en el &aacute;mbito hospitalario (1). Se debe a   la inflamaci&oacute;n y necrosis del tejido pancre&aacute;tico, los cuales generan una   respuesta inflamatoria generalizada que puede llevar a compromiso   multisist&eacute;mico con disfunci&oacute;n org&aacute;nica y muerte en 36%-50% de los casos graves   (1,2). Las causas m&aacute;s frecuentes son la litiasis biliar y el consumo de licor,   los cuales explican el 80% de los casos (3,4). La identificaci&oacute;n del origen   biliar de la PA es muy importante por la posibilidad de tratamiento endosc&oacute;pico   que controlar&iacute;a el evento actual y tambi&eacute;n disminuir&iacute;a el riesgo de recurrencia   de la entidad (5). Desafortunadamente durante la fase inicial de la PA, los   m&eacute;todos diagn&oacute;sticos imagenol&oacute;gicos iniciales utilizados para la identificaci&oacute;n   de litiasis en los conductos biliares, tienen poca sensibilidad y con   frecuencia informan resultados falsos negativos, lo cual hace que el   diagn&oacute;stico de la PA de origen biliar sea un verdadero reto (3,5). Sin embargo,   existen alteraciones bioqu&iacute;micas de f&aacute;cil medici&oacute;n que permiten predecir el   origen biliar de la PA (1,3,6,8,9). El m&aacute;s importante de tales par&aacute;metros es la   elevaci&oacute;n de alanina-aminotransferasa (ALT) por encima de 150U/L (1,6).</p>     <p><b>REPORTE DE CASO</b></p>     <p>Paciente masculino de 55 a&ntilde;os de edad que ingresa al servicio   de urgencias con cuadro de dolor abdominal en el epigastrio, de aparici&oacute;n   s&uacute;bita, de tres horas de evoluci&oacute;n, intenso, no irradiado y acompa&ntilde;ado de   v&oacute;mito en una oportunidad. Antecedente de colecistectom&iacute;a. No consumo de   medicamentos ni otros antecedentes patol&oacute;gicos. Al examen f&iacute;sico de ingreso:   signos vitales normales y como &uacute;nico hallazgo positivo presenta dolor a la   palpaci&oacute;n en el epigastrio sin signos de irritaci&oacute;n peritoneal. Los ex&aacute;menes de   laboratorio muestran leucocitosis de 16&nbsp;010 leucocitos/L, con 87% de neutr&oacute;filos,   ALT de 879 U/L, aspartato-aminotransferasa (AST) de 684 U/L, bilirrubina total   3,57 mg/dL con directa de 2,70 mg/dL, alb&uacute;mina 4,61 g/dL, fosfatasa alcalina   254 U/L, amilasa 2915 U/L, calcio 9,69 mg/dL, sodio, potasio, cloro y   creatinina dentro de l&iacute;mites normales. Gasometr&iacute;a arterial con PaO2 73,8%, FiO2   0,21 y pH de 7,41. La ecograf&iacute;a hepatobiliar fue informada con esteatosis   hep&aacute;tica, estado poscolecistectom&iacute;a con v&iacute;a biliar intra y extrahep&aacute;tica de   calibre normal. Se hace diagn&oacute;stico de pancreatitis aguda leve ya que no hab&iacute;a   complicaciones sist&eacute;micas con Marshall modificado de 1 punto dado por una PaO2/FiO2   de 351 (1 punto) sin alteraci&oacute;n renal (0 puntos) ni cardiovascular (0 puntos)   (2). Se inicia tratamiento de soporte con l&iacute;quidos parenterales, meperidina   intravenosa para control de dolor y dieta l&iacute;quida. Por la alteraci&oacute;n del perfil   hep&aacute;tico se sospech&oacute; litiasis biliar y PA de origen biliar, por lo cual se   solicit&oacute; colangiopancreatograf&iacute;a por resonancia magn&eacute;tica (CPRM) para evaluar   la v&iacute;a biliar. El perfil hep&aacute;tico de control a las 48 y 72 horas del ingreso,   mostraron marcada disminuci&oacute;n de las los niveles de aminotransferasas y de   bilirrubinas (<a href="#tabla1">Tabla 1</a>). La CPRM mostr&oacute; col&eacute;doco de 11 mm con c&aacute;lculos de 5 mm   en su parte distal. P&aacute;ncreas normal (<a href="#figura1">Figura 1</a>). Se solicit&oacute;   colangiopancreatograf&iacute;a retr&oacute;grada endosc&oacute;pica (CPRE) con esfinterotom&iacute;a.   Posterior a procedimiento endosc&oacute;pico notable mejor&iacute;a del dolor abdominal.</p>     ]]></body>
<body><![CDATA[<p align="center"><img src="img/revistas/rcg/v30n4/v30n4a13t1.jpg" width="430" height="281"><a name="tabla1"></a></p>     <p align="center"><img src="img/revistas/rcg/v30n4/v30n4a13f1.jpg" width="430" height="360"><a name="figura1"></a></p>     <p><b>DISCUSI&Oacute;N</b></p>     <p>La PA aguda es la enfermedad pancre&aacute;tica m&aacute;s frecuente. En   estados Unidos, la incidencia de 13-45 casos por 100&nbsp;000 habitantes (1). M&uacute;ltiples factores   etiol&oacute;gicos han sido identificados, aunque como mencionamos previamente, la   litiasis biliar y el consumo de licor producen el 75% de los casos (3,9,10). La   proporci&oacute;n entre el origen biliar y alcoh&oacute;lico puede variar en distintas &aacute;reas   geogr&aacute;ficas, el origen biliar es predominante, 60% de los casos de la poblaci&oacute;n   norteamericana y europea, mientras que en pa&iacute;ses como Sud&aacute;frica la prevalencia   de origen alcoh&oacute;lico puede llegar al 83% (3,7,8). La PA de origen biliar, es la   primera manifestaci&oacute;n de litiasis biliar en un 40% de pacientes en quienes se   desconoc&iacute;a la presencia de c&aacute;lculos en la ves&iacute;cula biliar o sin antecedente de c&oacute;lico biliar (5). Los otros factores de riesgo incluyen   CPRE diagn&oacute;stica o terap&eacute;utica, medicamentos, hipertrigliceridemia y el p&aacute;ncreas   divisum (PD) entre otros (9,10). La prevalencia del PD es del 7,5% en la   poblaci&oacute;n y aunque controvertido como causa de PA, actualmente se considera que   para que produzca PA, se necesita que el paciente tenga adem&aacute;s mutaciones   gen&eacute;ticas asociadas tales como la del gene de la fibrosis qu&iacute;stica (CFTR) o el   gen SPINK1 del inhibidor de la tripsina Kazal tipo 1 (1,5,9,10) (<a href="#figura2">Figura 2</a>).</p>     <p align="center"><img src="img/revistas/rcg/v30n4/v30n4a13f2.jpg" width="580" height="386"><a name="figura2"></a></p>     <p>Los mecanismos fisiopatol&oacute;gicos de la PA no est&aacute;n   completamente dilucidados, pero en la actualidad se considera que muchos de los   factores etiol&oacute;gicos pueden producir obstrucci&oacute;n a nivel de la ampolla de   Vater, con aumento de la presi&oacute;n intraductal pancreatobiliar y flujo retr&oacute;grado   de la secreciones pancreatobiliares, lo que produce activaci&oacute;n de la tripsina y   sucesivamente la autodigesti&oacute;n del par&eacute;nquima pancre&aacute;tico (8-10). En las fases   fisiopatol&oacute;gicas iniciales, los gr&aacute;nulos de zim&oacute;geno dentro de la c&eacute;lula acinar   no son exportados y al unirse a los lisosomas ricos en catepsina B, esta   convierte el tripsin&oacute;geno en tripsina (1,10). Este mecanismo, considerado la teor&iacute;a   cl&aacute;sica de la tripsina, recientemente ha sido controvertido al demostrarse que   en muchos casos este mecanismo no ocurre, pero s&iacute; se produce la activaci&oacute;n del   factor nuclear kappa B (NF-&#954;B)   dentro de la c&eacute;lula acinar de forma independiente de la presencia de   tripsina (1,10,11,12). Por lo anterior, en la actualidad se considera que ambos   mecanismos participan activamente en el origen de la PA. La activaci&oacute;n del NF-&#954; participa tanto en el desencadenamiento   inicial de la enfermedad como en la perpetuaci&oacute;n de la inflaci&oacute;n, al inducir la   producci&oacute;n de sustancias proinflamatorias (7-10). En los casos de litiasis   biliar se considera que existen varios factores de riesgo para la obstrucci&oacute;n   de la v&iacute;a biliar, tales como m&aacute;s de 20 c&aacute;lculos peque&ntilde;os (&lt;5 mm), conducto   c&iacute;stico con calibre mayor a 5 mm, adem&aacute;s de la presencia de variaciones   anat&oacute;micas de los conductos pancreatobiliares como el canal pancreatobiliar   com&uacute;n largo, ampliaci&oacute;n del &aacute;ngulo de convergencia del ducto biliar y el ducto   pancre&aacute;tico y divert&iacute;culo papilar (5).</p>     <p>Como en toda entidad m&eacute;dica,   la identificaci&oacute;n del agente etiol&oacute;gico es fundamental y determinar que la   PA es de origen biliar, permite a intervenciones como la colecistectom&iacute;a o CPRE   disminuir la recurrencia de la entidad (5,13,14,15). Si no se identifica y se   trata la etiolog&iacute;a biliar de un primer episodio de PA, a los seis meses la   entidad recurre en el 60% de los pacientes (5,7,11,16). El examen de primera   l&iacute;nea es la ecograf&iacute;a hepatobiliar, que en manos expertas tiene sensibilidad de   92%-98% para colelitiasis no complicada. Sin embargo, en PA de origen biliar,   desciende a 76%-87%, siendo a&uacute;n m&aacute;s baja la identificaci&oacute;n de coledocolitiasis con 20%-50%   de sensibilidad (3,17,18). Por esta limitaci&oacute;n, si existe la sospecha de   coledocolitiasis como la causa de la PA, con elevaci&oacute;n de ALT asociada, es   necesario utilizar ex&aacute;menes m&aacute;s sensibles y espec&iacute;ficos como la CPRM o la   ultrasonograf&iacute;a endosc&oacute;pica biliopancre&aacute;tica (USE) (3,17-19). La asociaci&oacute;n   entre PA de origen biliar y la elevaci&oacute;n de la ALT fue descrita por primera vez   por McMahon y Pickford en 1979 (5,20). En un metaan&aacute;lisis realizado en 1994 por   Teener y colaboradores se encontr&oacute; que una ALT mayor a 150 U/L o 3 veces por   encima del l&iacute;mite superior normal tiene un valor predictivo positivo (VPP) de   95% (6). Posteriormente varios estudios han encontrado que el VPP de la   elevaci&oacute;n del aumento de la ALT para PA de origen biliar va de 75%-100%   (21-23). La variaci&oacute;n de la exactitud depende del valor de la ALT establecido (<a href="#tabla2">Tabla   2</a>) (3,15).</p>     <p align="center"><img src="img/revistas/rcg/v30n4/v30n4a13t2.jpg" width="566" height="382"><a name="tabla2"></a></p>     <p>En poblaciones con alto consumo de licor y alta prevalencia   de PA por alcohol, el valor de ALT mayor a 150 U/L tiene sensibilidad,   especificidad, VPP y VPN de 51%, 97%, 80% y 90% respectivamente,   independientemente del g&eacute;nero (7). En contraste los valores de la amilasa, no   tienen correlaci&oacute;n con el origen biliar de la PA (7). La AST por estar presente   en varios tejidos, diferentes al hepatobiliar, no discrimina para PA biliar y   su elevaci&oacute;n por encima de 10 veces el l&iacute;mite se asocia predominantemente a   isquemia hep&aacute;tica y a obstrucci&oacute;n biliar (24). Hasta el momento se desconoce el   mecanismo por el cual hay elevaci&oacute;n de las transaminasas en PA de origen biliar   aunque posiblemente se debe a la coledocolitiasis en la cual se ha descrito   aumento de la ALT (25). Mossberg y Ross han propuesto 3 mecanismos que   explicar&iacute;a la elevaci&oacute;n de las enzimas hep&aacute;ticas despu&eacute;s de un proceso obstructivo:   a) regurgitaci&oacute;n de transaminasas desde los canal&iacute;culos biliares obstruidos a   los sinusoides hep&aacute;ticos, b) aumento de la producci&oacute;n de la enzima y c)   secreci&oacute;n de transaminasas por los hepatocitos en respuesta al aumento de la   presi&oacute;n intrabiliar (26).</p>     <p>En el seguimiento de la pancreatitis aguda es necesario   repetir la medici&oacute;n de las transaminasas al menos 48 horas despu&eacute;s del ingreso   ya que un pico de las mismas, seguidos de un r&aacute;pido descenso es otra evidencia   fuerte del origen biliar (15,19,20,27). Se debe tener en cuenta que entre el   10%-15% de las PA de origen biliar tienen niveles de transaminasas normales e   incluso un 16,7% las tendr&aacute;n elevadas pero menos de 3 veces el l&iacute;mite superior   normal (3,5). Existe un grupo de pacientes correspondiente al 10%-20% de todas   las pancreatitis agudas, a quienes no se encuentra factores de riesgo ni   agentes etiol&oacute;gicos asociados y se da la impresi&oacute;n diagn&oacute;stica de pancreatitis   idiop&aacute;tica (1,29). Sin embargo, un 78% de estos pacientes que presentan   ecograf&iacute;a abdominal negativa durante la fase inicial de la pancreatitis se les   detecta una causa biliar en estudios con mejor rendimiento diagn&oacute;stico como la   USE, CPRM y la CPRE diagn&oacute;stica (7,30,31).</p>     ]]></body>
<body><![CDATA[<p>La USE, por su alta resoluci&oacute;n de imagen, permite una   precisi&oacute;n diagn&oacute;stica muy superior comparada con la ecograf&iacute;a abdominal   convencional, encontrando litiasis en la v&iacute;a biliar en 59%-79% de pacientes con   resultados ecogr&aacute;ficos negativos y microlitiasis en 40%-80% de las PA   inicialmente clasificada como idiop&aacute;ticas (15,32,33). El rendimiento   diagn&oacute;stico de la USE y la CPRM es equiparable y la elecci&oacute;n entre un u otro   m&eacute;todo depende en la disponibilidad y la experticia del operador que realiza la   USE. En un metaan&aacute;lisis, Giljaca y colaboradores encontraron que las caracter&iacute;sticas   operativas de estos dos estudios es similar con sensibilidad de 95% versus 93%   y especificidad de 97% versus 96% para USE y CPRM respectivamente (34). La   ventaja adicional que tiene la ultrasonograf&iacute;a endosc&oacute;pica sobre la resonancia   es la detecci&oacute;n de c&aacute;lculos menores de 5 mm (33,35,36).</p>     <p>Otros estudios han arrojado datos similares al comparar el   rendimiento de la CPRM y la CPRE, ambos con sensibilidad de 90%-100% y   especificidad de 83%-98% para CPRM y 92% para CPRE; esta &uacute;ltima tiene como   ventaja la oportunidad de realizaci&oacute;n de la esfinterotom&iacute;a terap&eacute;utica   (3,15,19,34). La indicaci&oacute;n urgente de la CPRE en PA de origen biliar se   recomienda solo en pacientes en que se indique realizar la esfinterotom&iacute;a   endosc&oacute;pica, con intenci&oacute;n terap&eacute;utica, como son los que presentan colangitis   aguda asociada y obstrucci&oacute;n persistente de la v&iacute;a biliar (33,35). El   procedimiento debe ser realizado tempranamente dentro de las primeras 72 horas   y m&aacute;s precozmente si no hay una evoluci&oacute;n cl&iacute;nica adecuada (15,33). La CPRE temprana   tambi&eacute;n est&aacute; indicada en pacientes con pancreatitis aguda y alta probabilidad   de coledocolitiasis tales como bilirrubinas &gt;4 mg/dL o dilataci&oacute;n de la v&iacute;a   biliar con bilirrubina entre 1, 8 y 4 mg/dL (33). As&iacute; mismo se puede realizar   este procedimiento durante el trascurso del mismo ingreso hospitalario en   pacientes con indicaci&oacute;n de colecistectom&iacute;a, pero que por otras condiciones   m&eacute;dicas no puede ser llevado a colecistectom&iacute;a laparosc&oacute;pica (33).</p>     <p>En conclusi&oacute;n, el anterior caso cl&iacute;nico es un claro ejemplo   de c&oacute;mo la elevaci&oacute;n de las transaminasas, en especial la ALT y su r&aacute;pido   descenso en el curso de la pancreatitis aguda, es un buen predictor del origen   biliar, incluso en aquellos casos que por estudios ultrasonogr&aacute;ficos iniciales   sean negativos para litiasis biliar. La confirmaci&oacute;n de la presencia de   c&aacute;lculos biliares es indispensable, ya sea por USE, CPRM o CPRE con intenci&oacute;n   terap&eacute;utica en el escenario de colangitis aguda y/o obstrucci&oacute;n persistente de   la v&iacute;a biliar.</p>     <p><b>Conflictos de intereses</b></p>     <p>Ninguno. Los costos de la presente investigaci&oacute;n fueron   asumidos por los autores. William Otero declara que ha recibido honorarios por   conferencias de los siguientes laboratorios: Abbott-Lafrancol, Sanofi,   Tecnofarma, Takeda, Janssen, Procaps y Biotoscana.</p>     <p><b>REFERENCIAS</b></p>     <!-- ref --><p>1. Lankisch PG, Apte M, Banks PA. Acute pancreatitis.   Lancet. 2015;386(9988):85-96.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000039&pid=S0120-9957201500040001300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>2. Banks PA, Bollen TL, Dervenis C, Gooszen   HG, Johnson CD, Sarr MG, et&nbsp;al. Classification of acute   pancreatitis--2012: revision of the Atlanta classification and definitions by   international consensus. Gut. enero de 2013;62(1):102-11.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=000041&pid=S0120-9957201500040001300002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     ]]></body>
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