<?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>1688-1249</journal-id>
<journal-title><![CDATA[Archivos de Pediatría del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Pediatr. Urug.]]></abbrev-journal-title>
<issn>1688-1249</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Uruguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-12492011000300007</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Protocolo de tratamiento de la tos convulsa grave en la Unidad de Cuidados Intensivos de Niños (UCIN) del Centro Hospitalario Pereira Rossell]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Machín]]></surname>
<given-names><![CDATA[Cecilia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serra]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olagüe]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Menchaca]]></surname>
<given-names><![CDATA[Amanda]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro Hospitalario Pereira Rosell Unidad de Cuidados Intensivos de Niños ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2011</year>
</pub-date>
<volume>82</volume>
<numero>3</numero>
<fpage>174</fpage>
<lpage>176</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-12492011000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-12492011000300007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-12492011000300007&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front><body><![CDATA[   <basefont size="3"> <multicol gutter="18" cols="2"></multicol>     <p align="left"><font color="#000000" face="Verdana" size="2"><b>PROTOCOLO</b></font><font color="#1f1a17" face="Verdana" size="2">    <br>  Arch Pediatr Urug 2011; 82(3) </font></p>      <p align="left">&nbsp;</p>      <p align="left"><b><font color="#1f1a17" face="Verdana" size="4"> Protocolo de tratamiento de la tos convulsa grave en la Unidad de Cuidados Intensivos de Ni&ntilde;os (UCIN) del Centro Hospitalario Pereira Rossell&nbsp; </font></b></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="1-"></a> Cecilia Mach&iacute;n </font><font color="#1f1a17" face="Times New Roman" size="2"> <a href="#1_"> <font color="#1f1a17" face="Verdana"><sup>1</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="2-"></a>Alberto Serra </font><a href="#2_"> <font color="#1f1a17" face="Verdana"><sup>2</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="3-"></a>Carlos Olag&uuml;e </font><a href="#3_"> <font color="#1f1a17" face="Verdana"><sup>3</sup></font></a><font color="#1f1a17" face="Verdana" size="2">, <a name="4-"></a>Amanda Menchaca </font><a href="#4_"> <font color="#1f1a17" face="Verdana"><sup>4</sup></font></a><font color="#1f1a17" face="Verdana" size="2">&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p><font color="#1f1a17" face="Verdana" size="2"><a name="1_"></a> <a href="#1-">1</a>. Postgrado de Unidad de Cuidados Intensivos de Ni&ntilde;os, Centro Hospitalario Pereira Rosell.&nbsp; </font><font face="Verdana" size="2">    <br>  </font>  <font color="#1f1a17" face="Verdana" size="2"><a name="2_"></a> <a href="#2-">2</a>. Residente de Unidad de Cuidados Intensivos de Ni&ntilde;os, Centro Hospitalario Pereira Rosell.&nbsp; </font><font face="Verdana" size="2">    <br>  </font>  <font color="#1f1a17" face="Verdana" size="2"><a name="3_"></a> <a href="#3-">3</a>. Asistente de Cl&iacute;nica de Unidad de Cuidados Intensivos de Ni&ntilde;os, Centro Hospitalario Pereira Rosell.&nbsp; </font><font face="Verdana" size="2">    <br>  </font>  <font color="#1f1a17" face="Verdana" size="2"><a name="4_"></a> <a href="#4-">4</a>. Prof. Dra. C&aacute;tedra Cuidados Intensivos de Ni&ntilde;os (UCIN), Centro Hospitalario Pereira Rosell.    ]]></body>
<body><![CDATA[<br>  Fecha recibido: 8 noviembre 2011.    <br>  Fecha aprobado: 9 noviembre 2011.&nbsp; </font></p>      <p><font face="Verdana" size="2">    <br>  </font>  </p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Introducci&oacute;n&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> La tos convulsa es una enfermedad infecto-contagiosa, que contin&uacute;a siendo un problema de salud p&uacute;blica tanto a nivel mundial como local, a pesar de la alta tasa de cobertura de inmunizaci&oacute;n. Es una enfermedad de notificaci&oacute;n obligatoria, transmitida a trav&eacute;s de secreciones respiratorias, producida por <i>Bordetella pertussis</i>, coco bacilo Gram negativo, que coloniza el epitelio ciliado de la v&iacute;a a&eacute;rea superior. Puede afectar a todos los grupos etarios, principalmente en la edad pedi&aacute;trica, y en lactantes menores de 6 meses que no completaron las tres dosis de inmunizaci&oacute;n necesarias se observa los casos m&aacute;s graves, con una mortalidad global de uno cada 250 casos <sup>(<a name="1-4.."></a><a href="#1">1</a>-<a href="#4">4</a>)</sup>.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Se ha visto un aumento en la incidencia en estos &uacute;ltimos 6 a&ntilde;os, debido probablemente a una disminuci&oacute;n en la inmunidad postvacunal y a la ausencia del refuerzo natural, esto determina que adolescentes y adultos j&oacute;venes sean m&aacute;s susceptibles convirti&eacute;ndolos en fuentes de contactos <sup>(<a href="#3">3</a>-<a name="5.."></a><a href="#5">5</a>)</sup>.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Existen tres formas cl&iacute;nicas de presentaci&oacute;n: coqueluche cl&aacute;sica, at&iacute;pica y grave. Se define coqueluche grave a todo paciente que presenta insuficiencia respiratoria (hipoxemia refractaria), apneas, convulsiones, compromiso hemodin&aacute;mico sobre todo con taquicardia sinusal mantenida y/o alteraciones en la perfusi&oacute;n, hiperleucocitosis y/o fallo renal.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Como factores de peor pron&oacute;stico se destacan la edad (menor de 4 meses), hiperleucocitosis (m&aacute;s de 100.000 elementos/mm</font><font color="#1f1a17" face="Times New Roman" size="2"><font color="#1f1a17" face="Verdana"><sup>3</sup></font><font color="#1f1a17" face="Verdana" size="2">), foco de consolidaci&oacute;n en la radiograf&iacute;a de t&oacute;rax del ingreso, e hipertensi&oacute;n pulmonar <sup>(<a href="#5">5</a>,<a name="6.."></a><a href="#6">6</a>)</sup>.&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Dentro de las causas de mortalidad, una de las m&aacute;s graves es la hipertensi&oacute;n pulmonar persistente, que evoluciona r&aacute;pidamente a un shock cardiog&eacute;nico refractario e irreversible. Desde el punto de vista fisiopatol&oacute;gico la hip&oacute;tesis m&aacute;s aceptada es que debido la inmadurez de los sistemas fibrinol&iacute;tico y coagulop&aacute;tico, sumada a la hiperleucocitosis, determina un s&iacute;ndrome de hiperviscosidad y trombosis arteriolar. En necropsias pulmonares se observ&oacute; obstrucci&oacute;n arteriolar pulmonar con alto contenido de leucocitos e hipertrofia de la capa media de dichos vasos, reafirmando esta hip&oacute;tesis<sup> (<a href="#4">4</a>,<a href="#5">5</a>)</sup>.&nbsp; </font></p>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2"> Las terapias de soporte vital como ser &oacute;xido n&iacute;trico, inodilatadores (milrinona), vasodilatadores (sildenafil), ECMO (no existente en el pa&iacute;s), para estos casos son poco efectivas<sup> (<a name="7-11.."></a><a href="#7">7</a>-<a href="#11">11</a>)</sup>.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Bas&aacute;ndonos en la fisiopatolog&iacute;a, reportes de casos internacionales y nuestra experiencia, planteamos la realizaci&oacute;n de un protocolo de tratamiento que incluya la leucof&eacute;resis con el objetivo de disminuir la masa leucocitaria y as&iacute; disminuir el efecto mec&aacute;nico en la vasculatura pulmonar. Dicho procedimiento es factible de realizar, de bajo costo y con complicaciones escasas si se toman las precauciones necesarias.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Criterios de ingreso a cuidados intensivos pedi&aacute;tricos&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Caso confirmado o sospechado de tos convulsa (PCR positiva para <i>Bordetella pertussis</i> o<i> parapertussis</i>; o asociaci&oacute;n epidemiol&oacute;gica a un caso confirmado o sospechado) m&aacute;s:&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 1)&nbsp;&nbsp;&nbsp;&nbsp;Lactante menor a 4 meses.&nbsp; </font></p>  <multicol gutter="18" cols="2"></multicol>     <p align="left"><font color="#1f1a17" face="Verdana" size="2">2)&nbsp;&nbsp;&nbsp;&nbsp;Taquicardia sinusal mantenida de causa no aclarada y/o signos de falla circulatoria (pulsos d&eacute;biles, tiempo de recoloraci&oacute;n prolongado, hipotensi&oacute;n arterial).&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 3)&nbsp;&nbsp;&nbsp;&nbsp;Insuficiencia respiratoria dado por PaO</font><font color="#1f1a17" face="Times New Roman" size="2"><font color="#1f1a17" face="Verdana"><sub>2</sub></font><font color="#1f1a17" face="Verdana" size="2"> &lt; a 60 mmHg o SatO</font><font color="#1f1a17" face="Verdana"><sub>2</sub></font><font color="#1f1a17" face="Verdana" size="2"> &lt; 90%. Con signos cl&iacute;nicos de aumento del trabajo respiratorio (polipnea, tirajes, aleteo nasal, cabeceo), apneas, cianosis.&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 4)&nbsp;&nbsp;&nbsp;&nbsp;Hiperleucocitosis &gt; 20.000 elementos/mm</font><font color="#1f1a17" face="Times New Roman" size="2"><font color="#1f1a17" face="Verdana"><sup>3</sup></font><font color="#1f1a17" face="Verdana" size="2">, o un aumento &gt; 1.000-1.500 por hora.&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 5)&nbsp;&nbsp;&nbsp;&nbsp;Falla renal aguda, dado por oligoanuria y/o aumento de valores de creatinemia seg&uacute;n edad.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Tratamiento&nbsp; </font></p>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2"> Medidas generales&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 1.&nbsp;&nbsp;&nbsp;&nbsp;Medidas de aislamiento respiratorio.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 2.&nbsp;&nbsp;&nbsp;&nbsp;ABC.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> a)&nbsp;&nbsp;&nbsp;&nbsp;Optimizaci&oacute;n de la oxigenaci&oacute;n y de la ventilaci&oacute;n, destac&aacute;ndose la AVM temprana, dada la r&aacute;pida agravaci&oacute;n cl&iacute;nica que presenta. La taquicardia sinusal mantenida es un elemento de mal pron&oacute;stico que debe ser considerada para el inicio de la ventilaci&oacute;n.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> b)&nbsp;&nbsp;&nbsp;&nbsp;V&iacute;a venosa central.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> c)&nbsp;&nbsp;&nbsp;&nbsp;Mantener una adecuada perfusi&oacute;n con la utilizaci&oacute;n de fluidos, inotr&oacute;picos e inodilatadores.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> d)&nbsp;&nbsp;&nbsp;&nbsp;Ecocardiograma Doppler al ingreso en b&uacute;squeda de hipertensi&oacute;n pulmonar o signos de falla de bomba.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 3.&nbsp;&nbsp;&nbsp;&nbsp;Sedoanalgesia.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> a)&nbsp;&nbsp;&nbsp;&nbsp;Midazolam en goteo continuo (0,1-0,3 mg/kg/hora).&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> b)&nbsp;&nbsp;&nbsp;&nbsp;Fentanilo infusi&oacute;n continua (1-3 ug/kg/hora) o morfina infusi&oacute;n continua (0,03-0,1 mg/kg/hora).&nbsp; </font></p>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2"> c)&nbsp;&nbsp;&nbsp;&nbsp;Evaluar utilizaci&oacute;n de bloqueo neuromuscular.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 4.&nbsp;&nbsp;&nbsp;&nbsp;Hidrataci&oacute;n parenteral.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 5.&nbsp;&nbsp;&nbsp;&nbsp;Protecci&oacute;n g&aacute;strica.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 6.&nbsp;&nbsp;&nbsp;&nbsp;Antibi&oacute;ticos.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> a) Claritromicina i/v 15 mg/kg/d&iacute;a en dos dosis (m&aacute;ximo 1 g por d&iacute;a).&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> b)&nbsp;&nbsp;&nbsp;&nbsp;Con sospecha de coinfecci&oacute;n bacteriana agregar en menores de dos meses ampicilina + cefotaxime, y en mayores de dos meses ceftriazona + vancomicina.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 7.&nbsp;&nbsp;&nbsp;&nbsp;Clasificaci&oacute;n de &nbsp;grupo sangu&iacute;neo ABO, Rh (D) y anticuerpos irregulares.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 8.&nbsp;&nbsp;&nbsp;&nbsp;Mantener hemoglobina mayor a 10 g/dl o seg&uacute;n la edad.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> 9.&nbsp;&nbsp;&nbsp;&nbsp;Quimioprofilaxis de contactos y denuncia obligatoria al Departamento de Vigilancia Salud del MSP (Tel&eacute;fono 24091200, Fax 24085838, E-mail vigilanciaepi@msp.gub.uy)&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Indicaciones de exanguineotransfusi&oacute;n&nbsp; </font></p>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2"> En conjunto con m&eacute;dico hemoterapeuta se considerar&aacute; la realizaci&oacute;n de este procedimiento en aquellos pacientes que presenten:&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> a)&nbsp;&nbsp;&nbsp;&nbsp;Leucocitosis mayor a 60.000 elementos/mm</font><font color="#1f1a17" face="Times New Roman" size="2"><font color="#1f1a17" face="Verdana"><sup>3</sup></font><font color="#1f1a17" face="Verdana" size="2">.&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> b)&nbsp;&nbsp;&nbsp;&nbsp;Leucocitosis mayor a 50.000 elementos/mm</font><font color="#1f1a17" face="Times New Roman" size="2"><font color="#1f1a17" face="Verdana"><sup>3</sup></font><font color="#1f1a17" face="Verdana" size="2"> con hipertensi&oacute;n pulmonar.&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> c)&nbsp;&nbsp;&nbsp;&nbsp;Evaluar velocidad de ascenso de leucocitos para una segunda exanguineotransfusi&oacute;n, mayor a 1.000 elementos/hora.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> d)&nbsp;&nbsp;&nbsp;&nbsp;Se recomienda el recambio de dos volemias.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> e)&nbsp;&nbsp;&nbsp;&nbsp;Dada la hiperviscosidad sangu&iacute;nea se recomienda realizar la extracci&oacute;n de sangre a trav&eacute;s de una v&iacute;a arterial.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> f)&nbsp;&nbsp;&nbsp;&nbsp;Duraci&oacute;n aproximada del procedimiento: 4-6 horas seg&uacute;n tolerancia.&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> g)&nbsp;&nbsp;&nbsp;&nbsp;Se recomienda la utilizaci&oacute;n de sangre leucorreducida e irradiada (opcional).&nbsp; </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> h)&nbsp;&nbsp;&nbsp;&nbsp;Monitoreo concomitante (PA, PAM, FC, SatO</font><font color="#1f1a17" face="Times New Roman" size="2"><font color="#1f1a17" face="Verdana"><sub>2</sub></font><font color="#1f1a17" face="Verdana" size="2">).&nbsp;</font></font><font color="#1f1a17" face="Verdana" size="2"> </font></p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> i)&nbsp;&nbsp;&nbsp;&nbsp;Complicaciones: hipocalcemia, hiperpotasemia, hipoglicemia, arritmias, riesgo de transmisi&oacute;n de enfermedades (hepatitis B y C, HIV, CMV, toxoplasmosis, Chagas, etc&eacute;tera), hipervolemia.&nbsp; </font></p>      ]]></body>
<body><![CDATA[<p align="left"><font color="#1f1a17" face="Verdana" size="2"> j)&nbsp;&nbsp;&nbsp;&nbsp;Hemograma de control postprocedimiento y luego cada 6 horas para valorar ascenso leucocitario las primeras 24 horas.&nbsp; </font></p>      <p align="left">&nbsp;</p>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> Referencias bibliogr&aacute;ficas&nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="1"></a> <a href="#1-4..">1</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Donoso A, Camacho J, Cruces P, Kong J. </b>Exanguineotransfusi&oacute;n como tratamiento para la coqueluche grave. Rev Chil Pediatr 2005; 76 (6): 599-604.    &nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="2"></a> <a href="#1-4..">2</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Donoso A, D&iacute;az F. </b>Coqueluche grave: puesta al d&iacute;a. Neumol Pediatr 2006; 1 (3): 111-9. Obtenido de: <a href="http://www.neumologia-pediatrica.cl">http://www.neumologia-pediatrica.cl </a>[consulta: 4 nov. 2011]&nbsp;     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="3"></a> <a href="#1-4..">3</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Donoso A, Le&oacute;n J, Ram&iacute;rez M, Rojas G, Oberpaur B.</b> Pertussis and fatal pulmonary hypertension: a discouraged entity. Scand J Dis 2005; 37 (2): 145-8.    &nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="4"></a><a href="#1-4.."> 4</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Donoso A, Ram&iacute;rez M, Le&oacute;n J, Rojas G, Valverde C, Ares R.</b> Coqueluche: una causa de hipertensi&oacute;n pulmonar fatal. Rev Chil Infect 2002; 19(4): 226-30.    &nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="5"></a> <a href="#5..">5</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Donoso A, Wegner A, Le&oacute;n J, Ram&iacute;rez M, Carrasco J. </b>Coqueluchoide en ni&ntilde;os menores de 6 meses de vida. Rev Chil Pediatr 2001; 72 (4): 334-9.    &nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="6"></a> <a href="#6..">6</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Grzeszczak MJ, Churchwell KB, Edwards KM, Pietsch J. </b>Leukopheresis therapy for severe infantile pertussis with myocardial and pulmonary failure. Pediatr Crit Care Med 2006; 7 (6): 580-2.    &nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="7"></a> <a href="#7-11..">7</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Rowlands HE, Goldman AP, Harrington K, Karimova A, Brierley J, Cross N, et al. </b>Impact of rapid leukodepletion on the outcome of severe clinical pertussis in young infants. Pediatrics 2010; 126 (4): e816-27. Obtenido de: <a href="http://pediatrics.aapublicacions.org/content/126/4/816.2.full.html">http://pediatrics.aapublicacions.org/content/126/4/816.2.full.html</a> [consulta: 4 nov. 2011]&nbsp;     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="8"></a> <a href="#7-11..">8</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Moreno D, Baquero F, Rodrigo C, de Liria G, Cilleruelo MJ. </b>Tos ferina. Madrid: Asociaci&oacute;n Espa&ntilde;ola de Pediatr&iacute;a, 2008. Obtenido de. <a href="www.aeped.es/protocolos">www.aeped.es/protocolos</a> [consulta: 4 nov. 2011]&nbsp;     </font></p>  <multicol gutter="18" cols="2"></multicol>     <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="9"></a><a href="#7-11..">9</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Paddock C, Sanden G, Cherry D, Langston C, Tatti KM, Guarner J, et al. </b>Pathology and pathogenesis of fatal <i>Bordetella pertussis</i> infection in infants. Clin Infect Dis 2008; 47 (3): 328-38.    &nbsp; </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="10"></a> <a href="#7-11..">10</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Romano MJ, Weber MD, Weisse ME, Siu BL.</b> Pertussis pneumonia, hypoxemia, hyperleukocytosis and pulmonary hypertension: improvement in oxygenation after a double volume exchange transfusion. Pediatrics 2004; 114 (2): e264-6. Obtenido de: <a href="www.pediatrics.org/cgi/content/full/114/2/%20e264">www.pediatrics.org/cgi/content/full/114/2/ e264</a> [consulta: 4 nov.2011]&nbsp;     </font></p>      <!-- ref --><p align="left"><font color="#1f1a17" face="Verdana" size="2"><a name="11"></a> <a href="#7-11..">11</a>.&nbsp;&nbsp;&nbsp;&nbsp;<b>Uruguay. Ministerio de Salud P&uacute;blica. Direcci&oacute;n General de la Salud. Divisi&oacute;n Epidemiol&oacute;gica. </b>Situaci&oacute;n epidemiol&oacute;gica de la infecci&oacute;n por <i>Bordetella pertussis</i> (tos convulsa) y recomendaciones para su manejo. Montevideo: MSP, 2011. Obtenido de: <a href="www.msp.gub.uy">www.msp.gub.uy</a> [consulta: 4 nov. 2011]&nbsp;     </font></p>      <p align="left">&nbsp;</p>  <font face="Verdana" size="2">      <br>  </font>      <p align="left"><font color="#1f1a17" face="Verdana" size="2"> <b>Correspondencia:</b> &nbsp;Dra. Cecilia Machin:    <br>  Correo electr&oacute;nico: <a href="mailto:cecimachin27@hotmail.com">cecimachin27@hotmail.com</a>.&nbsp; </font></p>       ]]></body><back>
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