<?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>0864-0289</journal-id>
<journal-title><![CDATA[Revista Cubana de Hematología, Inmunología y Hemoterapia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Hematol Inmunol Hemoter]]></abbrev-journal-title>
<issn>0864-0289</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-02892008000300008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso del FVII activado recombinante en la enfermedad de Rendú-Osler-Weber o telangiectasia hemorrágica hereditaria y sangramiento digestivo: Primer caso comunicado en Cuba]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of recombinat activated factor VII in Rendú-Osler-Weber's disease or hereditary hemorrhagic talangiectasia and digestive bleeding: First case reported in Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Agramonte Llanes]]></surname>
<given-names><![CDATA[Olga M]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almagro Vázquez]]></surname>
<given-names><![CDATA[Delfina]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garrote Santana]]></surname>
<given-names><![CDATA[Heydi]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarduy Sáez]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zamora González]]></surname>
<given-names><![CDATA[Yaneth]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto de Hematología e Inmunología  ]]></institution>
<addr-line><![CDATA[Ciudada de La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2008</year>
</pub-date>
<volume>24</volume>
<numero>3</numero>
<fpage>0</fpage>
<lpage>0</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-02892008000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-02892008000300008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-02892008000300008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El Factor VII activado recombinante (rFVIIa Novoseven, Novonordisk, Dinamarca) ha sido usado con éxito en el tratamiento de las hemorragias en pacientes hemofílicos con inhibidores, en la deficiencia congénita del FVII y en la tromboastenia de Glanzmann. Además, se ha planteado su uso en pacientes no hemofílicos con anticuerpos adquiridos contra el FVIII (hemofilia adquirida) y otros trastornos de la función plaquetaria como el síndrome de Bernard Soulier (SBS). Administrado en dosis farmacológicas aumenta la generación de trombina sobre las plaquetas activadas y puede ser beneficioso en otros trastornos caracterizados por sangramiento profuso e inadecuada generación de trombina como en las trombocitopenias. Ha sido usado en hemorragias secundarias a alteraciones de la función hepática y en el trauma severo. Su utilización en pacientes con enfermedad de Rendú Osler-Weber y sangramientos severos es una indicación nueva, teniendo en cuenta la activación de la coagulación en el sitio especifico de la lesión. Se reporta la respuesta favorable de un paciente con sangramiento digestivo severo con peligro para la vida en quien se utilizó rFVII en dosis de 90ìg/Kg hasta completar 3 dosis en 24 horas; se detuvo la hemorragia y se confirmó su carácter hemostático potente en sangramientos incontrolables]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The recombinat activated factor VII (rFVIIa Novoseven, Novonordisk, Denmark) has been successfully used in the treatment of hemorrhages in hemophilic patients with inhibitors, in the congenital deficiency of FVII and in Glanzmann's thromboasthenia. Besides, its use has been recommended in non-hemoplilic patients with acquired antibodies against FVIII (acquired hemophilia) and in other disorders of the platelet function as Bernard Soulier Syndrome (SBS). When it is administered at pharmacological doses, it increases the generation of thrombin on the activated platelet, and it may be benefitial in other disorders characterized by profuse bleeding and inadequate generation of thrombin, such as the thrombocytopenias. It has been used in hemorrhages secondary to alterations of the liver function and in severe trauma. Its administration to patients with Rendú Osler Weber's disease and severe bleedings is a new indication, taking into account the activation of coagulation in the specific site of the lesion. It is reported the favorable response of a patient with severe digestive bleeding endangering his life that received rFVII at doses of 90 µg/kg until completing 3 doses in 24 hours. The hemorrhage stopped and its potent hemostatic character in uncontrollable bleedings was confirmed]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[rFVIIa]]></kwd>
<kwd lng="es"><![CDATA[pacientes no hemofílicos]]></kwd>
<kwd lng="es"><![CDATA[trasplante hepático]]></kwd>
<kwd lng="es"><![CDATA[enfermedad de Rendú Osler Weber]]></kwd>
<kwd lng="en"><![CDATA[rFVIIa]]></kwd>
<kwd lng="en"><![CDATA[non-hemophilic patients]]></kwd>
<kwd lng="en"><![CDATA[liver transplant]]></kwd>
<kwd lng="en"><![CDATA[Rendú Osler Weber's disease]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  <font face="Verdana" size="2"> </font>      <P>     <div align="right">       <p><font face="Verdana" size="2"><B>PRESENTACI&Oacute;N DE CASOS</B></font></p>       <p>&nbsp;</p> </div> <B>      <P>      <P>      <P><font face="Verdana" size="4">Uso del FVII activado recombinante en la enfermedad    de Rend&uacute;-Osler-Weber o telangiectasia hemorr&aacute;gica hereditaria    y sangramiento digestivo. Primer caso comunicado en Cuba </font>      <P>      <P>      ]]></body>
<body><![CDATA[<P>&nbsp;      <P><font size="3" face="Verdana, Arial, Helvetica, sans-serif">Use of recombinat    activated factor VII in Rend&uacute;-Osler-Weber's disease or hereditary hemorrhagic    talangiectasia and digestive bleeding. First case reported in Cuba </font>     <P>&nbsp;      <P>&nbsp;      <P><font face="Verdana" size="2">Dra. Olga M. Agramonte Llanes; Dra. Delfina Almagro    V&aacute;zquez; Dra. Heydi Garrote Santana; Dra. Sandra Sarduy S&aacute;ez;    Lic. Yaneth Zamora Gonz&aacute;lez</font>  </B>      <P>      <P>      <P><font face="Verdana" size="2">Instituto de Hematolog&iacute;a e Inmunolog&iacute;a.    Apartado Postal 8070, CP 10800, Ciudada de La Habana, Cuba.    <br>   </font>      <P>      ]]></body>
<body><![CDATA[<P>&nbsp;     <P>&nbsp;      <p>      <p>  <hr size="1" noshade>     <P><font face="Verdana" size="2"><B>RESUMEN</B> </font>     <P>      <P><font face="Verdana" size="2">El Factor VII activado recombinante (rFVIIa Novoseven,    Novonordisk, Dinamarca) ha sido usado con &eacute;xito en el tratamiento de    las hemorragias en pacientes hemof&iacute;licos con inhibidores, en la deficiencia    cong&eacute;nita del FVII y en la tromboastenia de Glanzmann. Adem&aacute;s,    se ha planteado su uso en pacientes no hemof&iacute;licos con anticuerpos adquiridos    contra el FVIII (hemofilia adquirida) y otros trastornos de la funci&oacute;n    plaquetaria como el s&iacute;ndrome de Bernard Soulier (SBS). Administrado en    dosis farmacol&oacute;gicas aumenta la generaci&oacute;n de trombina sobre las    plaquetas activadas y puede ser beneficioso en otros trastornos caracterizados    por sangramiento profuso e inadecuada generaci&oacute;n de trombina como en    las trombocitopenias. Ha sido usado en hemorragias secundarias a alteraciones    de la funci&oacute;n hep&aacute;tica y en el trauma severo. Su utilizaci&oacute;n    en pacientes con enfermedad de Rend&uacute; Osler-Weber y sangramientos severos    es una indicaci&oacute;n nueva, teniendo en cuenta la activaci&oacute;n de la    coagulaci&oacute;n en el sitio especifico de la lesi&oacute;n. Se reporta la    respuesta favorable de un paciente con sangramiento digestivo severo con peligro    para la vida en quien se utiliz&oacute; rFVII en dosis de 90&igrave;g/Kg hasta    completar 3 dosis en 24 horas; se detuvo la hemorragia y se confirm&oacute;    su car&aacute;cter hemost&aacute;tico potente en sangramientos incontrolables.    </font>     <P>      <P><b><font face="Verdana" size="2">Palabras clave:</font><font face="Verdana" size="2"></font></b><font face="Verdana" size="2">    rFVIIa, pacientes no hemof&iacute;licos, trasplante hep&aacute;tico, enfermedad    de Rend&uacute; Osler Weber. </font>      <p>      ]]></body>
<body><![CDATA[<p>  <hr size="1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ABSTRACT</b></font></p>     <p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">The recombinat    activated factor VII (rFVIIa Novoseven, Novonordisk, Denmark) has been successfully    used in the treatment of hemorrhages in hemophilic patients with inhibitors,    in the congenital deficiency of FVII and in Glanzmann's thromboasthenia. Besides,    its use has been recommended in non-hemoplilic patients with acquired antibodies    against FVIII (acquired hemophilia) and in other disorders of the platelet function    as Bernard Soulier Syndrome (SBS). When it is administered at pharmacological    doses, it increases the generation of thrombin on the activated platelet, and    it may be benefitial in other disorders characterized by profuse bleeding and    inadequate generation of thrombin, such as the thrombocytopenias. It has been    used in hemorrhages secondary to alterations of the liver function and in severe    trauma. Its administration to patients with Rend&uacute; Osler Weber's disease    and severe bleedings is a new indication, taking into account the activation    of coagulation in the specific site of the lesion. It is reported the favorable    response of a patient with severe digestive bleeding endangering his life that    received rFVII at doses of 90 &micro;g/kg until completing 3 doses in 24 hours.    The hemorrhage stopped and its potent hemostatic character in uncontrollable    bleedings was confirmed.     <br>       <br>   <b>Key words:</b> rFVIIa, non-hemophilic patients, liver transplant, Rend&uacute;    Osler Weber's disease.</font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"> </font></p>     <P><font face="Verdana" size="2"><B><font size="3">INTRODUCCI&Oacute;N</font></B>    </font>      <P>      ]]></body>
<body><![CDATA[<P><font face="Verdana" size="2">El FVII activado recombinante (FVIIar, Novoseven,    Novonordisk, Denmark), ha sido utilizado con &eacute;xito en el tratamiento    de las hemorragias en pacientes hemof&iacute;licos con inhibidores, en la deficiencia    cong&eacute;nita del FVII y en la tromboastenia de Glanzmann.<SUP>1-4</SUP>    Se ha planteado su uso adem&aacute;s en pacientes no hemof&iacute;licos con    anticuerpos adquiridos contra el FVIII (hemofilia adquirida) <SUP>5</SUP> y    otros trastornos de la funci&oacute;n plaquetaria como el s&iacute;ndrome de    Bernard Soulier (SBS).<SUP>6 </SUP>Administrado en dosis farmacol&oacute;gicas,    aumenta la generaci&oacute;n de trombina sobre las plaquetas activadas,<SUP>7,8</SUP>    y por lo tanto, puede ser beneficioso en otros trastornos, caracterizados por    sangramiento profuso e inadecuada generaci&oacute;n de trombina como en las    trombocitopenias.<SUP>9<B> </B></SUP>Adicionalmente se ha empleado en hemorragias    secundarias a alteraciones de la funci&oacute;n hep&aacute;tica<SUP>10-12 </SUP>y    en el trauma severo.<SUP>13-15</SUP> </font>      <P><font face="Verdana" size="2">El FVII desempe&ntilde;a un papel clave en el    inicio de la hemostasia, pues forma un complejo con el factor tisular (FT),    el cual se encuentra en la pared vascular. Cuando se produce una lesi&oacute;n    en la pared vascular, el FT queda expuesto y se forma el complejo FT/FVIIa,    el que activa directamente al FX(FX). Este FXa act&uacute;a sobre la protrombina    (II) gener&aacute;ndose la formaci&oacute;n de trombina (IIa). La cantidad de    trombina formada por esta v&iacute;a es limitada y activa al FV, FVIII, FXI    y fundamentalmente a las plaquetas. Como resultado de la acci&oacute;n de la    trombina, las plaquetas cambian de forma y exponen los fosfol&iacute;pidos cargados    negativamente que proveen la base para la activaci&oacute;n adicional del FX    y esta generaci&oacute;n de trombina es esencial para la formaci&oacute;n de    un tap&oacute;n estable de fibrina , resistente a la fibrin&oacute;lisis prematura    y es capaz de proporcionar una hemostasia sostenida y confiable. Este proceso    requiere no solo la presencia de las prote&iacute;nas de la coagulaci&oacute;n,    de los inhibidores fisiol&oacute;gicos de la misma, sino de otros factores importantes    en la regulaci&oacute;n de la fibrin&oacute;lisis. Mientras que el FXIII es    activado por peque&ntilde;as concentraciones de trombina, la activaci&oacute;n    del inhibidor de la fibrin&oacute;lisis activable por trombina (TAFI) requiere    mayores concentraciones de trombina y protege de alguna manera la estabilidad    del co&aacute;gulo.<SUP>16</SUP> </font>      <P><font face="Verdana" size="2">Numerosos cambios hemost&aacute;ticos ocurren    despu&eacute;s de un trauma severo, cirug&iacute;a o una hemorragia masiva<SUP>    </SUP>como son la hipotermia y la acidosis. <SUP>17-21 </SUP>En cierto n&uacute;mero    de pacientes que sufrieron un traumatismo severo, una hemorragia masiva, as&iacute;    como en sangramientos severos por otras causas (como por ejemplo hemorragias    profusas gastrointestinales altas), donde existe lesi&oacute;n de la pared vascular,    se demostr&oacute; un efecto hemost&aacute;tico despu&eacute;s de la administraci&oacute;n    del FVIIar. <SUP>16</SUP> </font>     <P><font face="Verdana" size="2">La enfermedad de Rend&uacute;-Osler _Weber o    telangiectasia hemorr&aacute;gica hereditaria (HHT), es un desorden gen&eacute;tico    del tejido conectivo vascular <SUP>22 </SUP>que se trasmite con un car&aacute;cter    autos&oacute;mico dominante y penetrancia variable, caracterizado por ep&iacute;staxis,    presencia de telangiectasias vasculares en piel, tejido mucoso, &oacute;rganos    viscerales y sistema nervioso central (SNC) y manifestaciones viscerales de    la enfermedad. <SUP>23 </SUP>La misma involucra a los vasos sangu&iacute;neos,    por lo que algunos le dan el nombre de vasculopat&iacute;a. Su prevalencia se    estima en 1 por cada 5 000-8 000 habitantes. Dos mutaciones se han planteado    que involucran a los genes ALK-1 y endoglin, resultando en los tipos 1 y 2 de    HHT.<SUP> 24</SUP> La ocurrencia de episodios espont&aacute;neos y recurrentes    de ep&iacute;staxis y la presencia de telangiectasia, as&iacute; como las malformaciones    arteriovenosas viscerales (principalmente afectan pulm&oacute;n, h&iacute;gado,    cerebro y <I>tractus</I> digestivo), son las responsables de las manifestaciones    cl&iacute;nicas y constituyen el punto b&aacute;sico para el diagn&oacute;stico.    <SUP>24-26 </SUP> </font>     <P><font face="Verdana" size="2">El diagn&oacute;stico se basa en los siguientes    criterios: historia familiar, ep&iacute;staxis, telangiectasia y malformaciones    vasculares. Se considera un diagn&oacute;stico definitivo si existen 3 criterios,    y sospechoso si solo est&aacute;n presentes 2 criterios <SUP>26</SUP> Las hemorragias    del <I>tractus</I> gastrointestinal ocurren entre el 10 y 40 % en los pacientes    con HHT, localizadas en duodeno y colon. <SUP>23</SUP> </font>     <P><font face="Verdana" size="2">El tratamiento de estos pacientes se basa en    la cirug&iacute;a, la coagulaci&oacute;n por l&aacute;ser, embolizaci&oacute;n    y uso de productos esclerosantes, as&iacute; como la aplicaci&oacute;n de fibrina    t&oacute;pica, antifibrinol&iacute;ticos<SUP> </SUP>y la terapia hormonal con    estr&oacute;genos. <SUP>26,27</SUP> </font>     <P><font face="Verdana" size="2">El uso profil&aacute;ctico o terap&eacute;utico    del FVIIar no ha sido comunicado con anterioridad en estos pacientes, por lo    cual el objetivo de este trabajo es mostrar los resultados favorables obtenidos    con el uso del FVIIar en una paciente con HHT y hemorragia gastrointestinal    profusa incontrolable con otros tratamientos. </font>     <P>      <P>      <P>    ]]></body>
<body><![CDATA[<br>   <font face="Verdana" size="2"><B><font size="3">Descripci&oacute;n del caso</font></B>    </font>      <P>      <P><font face="Verdana" size="2">Paciente de 48 a&ntilde;os de edad con diagn&oacute;stico    de HHT y gastritis cr&oacute;nica que ingres&oacute; en nuestro centro con sangramiento    digestivo alto de varios d&iacute;as de evoluci&oacute;n, con palidez cut&aacute;neo    mucosa y descompensaci&oacute;n cardiovascular, ca&iacute;da de las cifras de    hemoglobina a 66g/L y hemat&oacute;crito a 020, por lo que se transfundi&oacute;    con gl&oacute;bulos y se administraron antifibrinol&iacute;ticos y anti&aacute;cidos,    logr&aacute;ndose detener el sangramiento y alcanzar la estabilidad hemodin&aacute;mica.    Se realiz&oacute; estudio endosc&oacute;pico que mostr&oacute; m&uacute;ltiples    lesiones erosivas de la uni&oacute;n es&oacute;fago-g&aacute;strica, mucosa    g&aacute;strica y bulbo duodenal. Dos d&iacute;as despu&eacute;s el sangramiento    repiti&oacute; de forma severa con signos de <I>shock</I> hipovol&eacute;mico.    Se administraron antifibrinol&iacute;ticos y gl&oacute;bulos, pero el sangramiento    no se detuvo, por lo que se indic&oacute; FVIIar en dosis de 90&igrave;g/Kg    hasta completar 3 dosis en 24 horas, con lo que se logr&oacute; detener la hemorragia.    Una semana despu&eacute;s la paciente fue dada de alta sin evidencia de nuevo    sangramiento. </font>     <P><font face="Verdana" size="2">Los pacientes con sangramiento severo con frecuencia    desarrollan una coagulopat&iacute;a por hemodiluci&oacute;n, caracterizada por    una disminuci&oacute;n del recuento plaquetario y de los niveles plasm&aacute;ticos    de fibrin&oacute;geno, FV, FVIII, as&iacute; como un incremento de la fibrin&oacute;lisis.    La disminuci&oacute;n del fibrin&oacute;geno trae como resultado la p&eacute;rdida    de la estructura de la fibrina y como consecuencia la formaci&oacute;n de un    tap&oacute;n de fibrina poroso y la disminuci&oacute;n del FXIII, con lo cual    se ve afectada la estabilidad de la fibrina. El FV y el FVIII son degradados    por la plasmina y otras enzimas proteol&iacute;ticas. Cuando la hemorragia cesa,    el paciente es capaz de sintetizar prote&iacute;nas de la coagulaci&oacute;n    y puede regular r&aacute;pidamente su coagulopat&iacute;a. <SUP>16</SUP> </font>     <P><font face="Verdana" size="2">La administraci&oacute;n de FVIIar en nuestra    paciente, mejor&oacute; la coagulopat&iacute;a porque facilit&oacute; la generaci&oacute;n    de trombina y de este modo, asegur&oacute; la formaci&oacute;n de un tap&oacute;n    de fibrina s&oacute;lido y estable, sobre una pared vascular ampliamente afectada    que favorece la hemorragia. Con este trabajo se evidencia la eficacia de la    administraci&oacute;n de FVIIa recombinante como agente hemost&aacute;tico en    los cuadros de hemorragia incontrolable. </font>     <P>      <P>      <P>      <P>&nbsp;     <P><font face="Verdana" size="3"><B>REFERENCIAS BIBLIOGR&Aacute;FICAS</B> </font>     ]]></body>
<body><![CDATA[<P>      <!-- ref --><P><font face="Verdana" size="2">1. Hedner U, Glazer S, Pingel K, Alberts KA,    Blomback M, Schulman S. Successful use of recombinant factor VIIa in a patient    with severe hemophilia A during synovectomy. Lancet 1988;2:1193. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">2. Key NS, Aledort LM, Beardsley D, Cooper HA,    Davignon G, Ewenstein BM. Home treatment of mild to moderate bleeding episodes    using recombinant factor VIIa (Novoseven) in hemophiliacs with inhibitors. Thromb    Haemost 1998;80:912-8.</font>     <!-- ref --><P><font face="Verdana" size="2">3. Weiskopf RB. Recombinant _activated coagulation    factor VIIa (Novoseven): Current development. Vox Sang 2007;92:281-8. </font>      <P>      <!-- ref --><P><font face="Verdana" size="2">4. Poon MC, d'Oiron R, Hann I. Use of recombinant    factor VIIa (Novoseven) in patients with Glanzmann thromboasthenia. Sem Hematol    2001;38:21-5. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">5. Hay CR, Negrier C, Ludlam CA. The treatment    of bleeding in adquired haemophilia with recombinant factor VIIa a multicenter    study. Thromb Haemost 1997;78:1463-7. </font>     <P>      ]]></body>
<body><![CDATA[<!-- ref --><P><font face="Verdana" size="2">6. Peters M, Heijhocr H.Treatment of a patient    with Bernard Soulier syndrome and recurrent nosebleeds with recombinant factor    VIIa. Thromb Haemost 1998;80:332. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">7. Monroe DM, Hoffman M, Oliver JA , Roberts    HR. Platelets activity of high dose factor VIIa is independent of tissue factor.    Br J Haematol 1997;99:542-7. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">8. _____. A possible mechanism of action of activated    factor VIIa independent of tissue factor. Blood Coagul Fibrinolysis 1998;9:15-20.    </font>      <P>      <!-- ref --><P><font face="Verdana" size="2">9. Kristensen J, Killander A, Hippe E, Helleberg    C, Ellegard J, Hedner U. Clinical experiencye with recombinant factror VIIa    in patient with thrombocytopenia. Haemostasis 1996;26:159-64. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">10. Hendricks HG, Meijer K, de Wolf JT. Reduced    transfusion requirements by recombinant factor VIIa in orthotopic liver transplantation:    A pilot study. Transplantation 2001;71:402-5. </font>     <P>      ]]></body>
<body><![CDATA[<!-- ref --><P><font face="Verdana" size="2">11. Bernstein DE, Jeffersl, Exhardisen E. Recombinant    FVIIa corrects protrombin time in cirrhotic patients: A preliminary study. Gastroenterology    1997;11:159-64. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">12. Bosch J, Thabut D, Bendtsen F, D' Amico G,    Albillos A , Gonzal&eacute;z J. Recombinant FVIIa for upper gastrointestinal    bleeding in patients with cirrhosis: A randomized, double-blind trial. Gastroenterology    2004;127:1123-30. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">13. Lynn M, Jeroukhimov I, Klein Y, Martinowitz    U. Updates in the manegement of severe coagulopathy in trauma patient s. Intensive    Care Med 2002;28(Suppl 2):S241-7. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">14. Armand R, Hess JR. Treating coagulopathy    in trauma patients. Transf Med Rev 2003;17:223-31. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">15. Martinowitz U, Kenet G, Segal E. Recombinant    activated factor VII for adjunctive hemorrhage control in trauma. J Trauma 2001;51:431-8.    </font>     <P>      ]]></body>
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<body><![CDATA[<!-- ref --><P><font face="Verdana" size="2">21. Crosgriff N, Moore EE, Azuaga A, Kenny M,    Burch JM, Galloway B. Predictive life threatening coagulpathy in the massively    trnasfused trauma patient: Hypothermia and acidoses revised. J Trauma 1997;42:857-62.    </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">22. Geisthoff UW, Koester M, Fischinger J, Schneider    G. Rend&uacute;-Osler-Weber syndrome. A complex systemic disease. Qual Life    Res 2004,13:1715-23. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">23. Fiorella ML, Ross DA, White RJ, Sabba C,    Fiorella R. Hereditary haemorragic telangiectasia: Star of the art. Act Otorhinolaryngol    Ital 2004;24:330-6. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">24. P&eacute;rez del Molino A, Zarrabeitia R,    Fern&aacute;ndez A. Hereditary hemorrhagic telangiectasia. Med Clin 2005;124:583-7.    </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">25. Folz BJ, Tennie J, Lippert BM, Werner JA.    Natural history and control of epistaxis in a group of German patients with    Rend&uacute;-Osler _Weber disease. Rinology 2005;43:40-6. </font>     <P>      ]]></body>
<body><![CDATA[<!-- ref --><P><font face="Verdana" size="2">26. Sabba C, Pasculli G, Cirulli A, Gallitelli    M, Virgilio G, Guastamachhia E. Rend&uacute;-Osler-Weber disease: Experience    with 56 patients. Ann Ital Int 2002;17:173-9. </font>     <P>      <!-- ref --><P><font face="Verdana" size="2">27. Babin E , Borsik M, Braccard S, Crampette    L, Darrouzet V, Faure F. Treatments of hereditary hemorrhagic telangiectasia    of the nasal mucosa. Rev Laryngol Otol Rhinol 2005;126:43-8. </font>     <P>&nbsp;     <P>&nbsp;     <P>     <P><font face="Verdana" size="2">Recibido: 4 de julio de 2008.    <br>   Aprobado: </font><font face="Verdana" size="2"> 7 de septiembre de 2008.</font>     <P>&nbsp;     <P> <rb >      ]]></body>
<body><![CDATA[<P>     <P>      <P>      <P><font face="Verdana" size="2">Dra. <I>Olga M. Agramonte Llanes</I>. Instituto    de Hematolog&iacute;a e Inmunolog&iacute;a. Apartado Postal 8070, CP 10800,    Ciudada de La Habana, Cuba. Tel (537) 6438268, 6438695, Fax (537) 6442334. e-mail:    <U><FONT  COLOR="#0000ff"><a href="mailto:ihidir@hemato.sld.cu">ihidir@hemato.sld.cu </a></FONT></U>    </font>      ]]></body><back>
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