<?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>1698-4447</journal-id>
<journal-title><![CDATA[Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa)]]></journal-title>
<abbrev-journal-title><![CDATA[Med. oral patol. oral cir. bucal (Ed.impr.)]]></abbrev-journal-title>
<issn>1698-4447</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Española de Medicina Oral]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1698-44472004000100008</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Pautas de profilaxis antibiótica de Endocarditis Bacteriana, recomendadas por los odontólogos en España]]></article-title>
<article-title xml:lang="en"><![CDATA[Chemoprophylaxis of Bacterial Endocarditis recommended by General Dental Practitioners in Spain]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tomás Carmona]]></surname>
<given-names><![CDATA[Inmaculada]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Diz Dios]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Limeres Posse]]></surname>
<given-names><![CDATA[Jacobo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Outumuro Rial]]></surname>
<given-names><![CDATA[Mercedes]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caamaño Durán]]></surname>
<given-names><![CDATA[Flor]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Feijoo]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez García]]></surname>
<given-names><![CDATA[Emma]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Santiago de Compostela Facultad de Medicina y Odontología Unidad de Pacientes Especiales]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2004</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2004</year>
</pub-date>
<volume>9</volume>
<numero>1</numero>
<fpage>56</fpage>
<lpage>62</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S1698-44472004000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S1698-44472004000100008&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S1698-44472004000100008&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El propósito del presente estudio fue conocer las pautas de profilaxis antibiótica de Endocarditis Bacteriana (EB) recomendadas por los odontólogos en España. Se preguntó a través de una llamada telefónica, cuál era el régimen profiláctico que se debía administrar a un paciente de riesgo de EB antes de someterse a una exodoncia. La información se obtuvo de 400 odontólogos seleccionados aleatoriamente y distribuidos por todo el territorio español. A 200 se les preguntó sobre la pauta recomendada en pacientes no alérgicos a la penicilina y, a los 200 restantes, sobre la aplicada en los alérgicos a la penicilina.Del total de encuestados, 182 (45,5%) no sugirieron ningún régimen profiláctico, de éstos el 74,7% señalaron la necesidad de una cita para una exploración previa y el 25,3% refirieron al paciente a su médico general o cardiólogo. De los 97 odontólogos que recomendaron antibióticos para pacientes no alérgicos a la penicilina, solamente 30 (30,9%) contestaron correctamente algún régimen profiláctico de los publicados por la Asociación Americana de Cardiología o la Sociedad Británica de Quimioterapia Antimicrobiana. Para pacientes alérgicos a la penicilina, el 68,2% de los odontólogos recomendaron eritromicina como antibiótico de elección, y el 17,6% clindamicina. Sin embargo, menos del 30% prescribieron estos antibióticos en las posologías correctas. Estos resultados demuestran una importante carencia de conocimientos entre los odontólogos españoles sobre las pautas de profilaxis de EB para pacientes de riesgo que van a someterse a una manipulación dental.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The aim of this study was to assess the current practice of antibiotic prophylaxis of Bacterial Endocarditis (BE) among General Dental Practitioners (GDPs) in Spain. GDPs were asked over the telephone by a fictitious patient what antibiotic prophylaxis they would administer to an "at risk" patient for BE before a tooth extraction. Four hundred randomly selected Spanish GDPs were surveyed, 200 of them were asked about BE prophylaxis in penicillin non-allergic patients and the remaining 200 in penicillin allergic patients. Of the GDPs surveyed, 182 (45.5%) did not recommend any prophylactic treatment; 74.7% of those stated that an oral examination before treatment was needed and 25.3% referred the patient to his/her physician or cardiologist for further advice. Of the 97 GDPs who recommended antibiotics to penicillin non-allergic patients, only 30 (30.9%) suggested the prophylactic guidelines proposed by the American Heart Association or the British Society for Antimicrobial Chemotherapy. For penicillin allergic patients, 68.2% of the GDPs prescribed erythromycin as the antibiotic of first choice, while 17.6% of the GDPs prescribed clindamycin. Nonetheless, fewer than 30% administered both antibiotics with the adequate dosages. These results show important gaps in the knowledge of antibiotic prophylaxis for "at risk" patients before dental procedures among Spanish GDPs.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Endocarditis Bacteriana]]></kwd>
<kwd lng="es"><![CDATA[profilaxis antibiótica]]></kwd>
<kwd lng="es"><![CDATA[odontólogo]]></kwd>
<kwd lng="en"><![CDATA[Bacterial endocarditis]]></kwd>
<kwd lng="en"><![CDATA[antibiotic prophylaxis]]></kwd>
<kwd lng="en"><![CDATA[general dental practitioner]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p><b><font size=5>Pautas de profilaxis antibi&oacute;tica de Endocarditis Bacteriana, recomendadas por los odont&oacute;logos en Espa&ntilde;a</font></b></p>      <p><b>Inmaculada Tom&aacute;s Carmona, Pedro Diz Dios, Jacobo Limeres Posse, Mercedes Outumuro Rial,    <br>  Flor Caama&ntilde;o Dur&aacute;n, Javier Fern&aacute;ndez Feijoo, Emma V&aacute;zquez Garc&iacute;a</b></p>      <p>Unidad de Pacientes Especiales. Facultad de Medicina y Odontolog&iacute;a.    <br>  Universidad de Santiago de Compostela. Espa&ntilde;a.</p>      <p><i><font size="2"><b>Correspondencia:</b>    <br> Prof. Pedro Diz Dios    <br> C/ Panam&aacute; 2; 2&#186; dcha 36203 Vigo - Espa&ntilde;a    <br> TLF: 981-563100 Ext. 12344 FAX: 981-562226    <br>  E-mail: <a href="mailto:pdiz@usc.es">pdiz@usc.es</a></font></i></p>      ]]></body>
<body><![CDATA[<p>Recibido: 6-9-2002 Aceptado: 22-1-2003</p>  <table border="1" cellpadding="0" cellspacing="0" width="48%">   <tr>     <td width="100%"><font size="2">Tom&aacute;s-Carmona I, Diz-Dios P, Limeres-Posse J, Outumuro-Rial M, Caama&ntilde;o-Dur&aacute;n F, Fern&aacute;ndez-Feijoo J, V&aacute;zquez-Garc&iacute;a E. Pautas de profilaxis antibi&oacute;tica de Endocarditis Bacteriana, recomendadas por los odont&oacute;logos en Espa&ntilde;a. Med Oral 2004;9:56-62.    <br>       </font><font face="Arial" size="1">&copy; Medicina Oral S. L. C.I.F. B 96689336 - ISSN 1137 - 2834</font></td>   </tr> </table>      <p><b>RESUMEN</b></p>     <p>El prop&oacute;sito del presente estudio fue conocer las pautas de profilaxis antibi&oacute;tica de Endocarditis Bacteriana (EB) recomendadas por los odont&oacute;logos en Espa&ntilde;a.    <br> Se pregunt&oacute; a trav&eacute;s de una llamada telef&oacute;nica, cu&aacute;l era el r&eacute;gimen profil&aacute;ctico que se deb&iacute;a administrar a un paciente de riesgo de EB antes de someterse a una exodoncia. La informaci&oacute;n se obtuvo de 400 odont&oacute;logos seleccionados aleatoriamente y distribuidos por todo el territorio espa&ntilde;ol. A 200 se les pregunt&oacute; sobre la pauta recomendada en pacientes no al&eacute;rgicos a la penicilina y, a los 200 restantes, sobre la aplicada en los al&eacute;rgicos a la penicilina.Del total de encuestados, 182 (45,5%) no sugirieron ning&uacute;n r&eacute;gimen profil&aacute;ctico, de &eacute;stos el 74,7% se&ntilde;alaron la necesidad de una cita para una exploraci&oacute;n previa y el 25,3% refirieron al paciente a su m&eacute;dico general o cardi&oacute;logo. De los 97 odont&oacute;logos que recomendaron antibi&oacute;ticos para pacientes no al&eacute;rgicos a la penicilina, solamente 30 (30,9%) contestaron correctamente alg&uacute;n r&eacute;gimen profil&aacute;ctico de los publicados por la Asociaci&oacute;n Americana de Cardiolog&iacute;a o la Sociedad Brit&aacute;nica de Quimioterapia Antimicrobiana. Para pacientes al&eacute;rgicos a la penicilina, el 68,2% de los odont&oacute;logos recomendaron eritromicina como antibi&oacute;tico de elecci&oacute;n, y el 17,6% clindamicina. Sin embargo, menos del 30% prescribieron estos antibi&oacute;ticos en las posolog&iacute;as correctas.    <br> Estos resultados demuestran una importante carencia de conocimientos entre los odont&oacute;logos espa&ntilde;oles sobre las pautas de profilaxis de EB para pacientes de riesgo que van a someterse a una manipulaci&oacute;n dental.</p>     <p><i><b>Palabras clave:</b> Endocarditis Bacteriana, profilaxis antibi&oacute;tica, odont&oacute;logo.</i></p>      <p><b>INTRODUCCI&Oacute;N</b></p>     <p>En numerosos estudios se ha demostrado una posible puerta de entrada de origen odontol&oacute;gico en el 14-20% de los pacientes diagnosticados de Endocarditis Bacteriana (EB) (1-5). Aunque resulta imposible predecir qu&eacute; individuos pueden padecer esta complicaci&oacute;n card&iacute;aca o cu&aacute;les pueden ser los procedimientos odontol&oacute;gicos responsables, la administraci&oacute;n profil&aacute;ctica de antibi&oacute;ticos en sujetos considerados de riesgo ante determinadas manipulaciones dentales es una pr&aacute;ctica bastante aceptada (6). Los comit&eacute;s de expertos de diferentes pa&iacute;ses han elaborado diversas directrices y reg&iacute;menes profil&aacute;cticos de EB (7-16) (<a href="#tabla1">Tabla 1</a>). Estas recomendaciones son revisadas peri&oacute;dicamente y modificadas en base a los hallazgos obtenidos en estudios de experimentaci&oacute;n animal (17), farmacocin&eacute;ticos (18), de susceptibilidad bacteriana (19), retrospectivos cl&iacute;nicos (20), sobre procedimientos que inducen bacteriemia (21) y sobre eficacia de la profilaxis en la eliminaci&oacute;n de bacteriemia (22).</p>     <p align="center"><a name="tabla1"><img border="0" src="/img/revistas/medicor/v9n1/8_image01.gif" width="502" height="698"></a></p>     ]]></body>
<body><![CDATA[<p align="center"><i><font size="2"><b>Tabla 1.</b> Pautas de profilaxis antibi&oacute;tica recomendadas en pacientes de riesgo    <br> de EB, antes de someterse a manipulaciones odontol&oacute;gicas (7-16).    <br> (a) Antibi&oacute;tico de elecci&oacute;n en pacientes no al&eacute;rgicos a la penicilina.    <br> (b) Antibi&oacute;tico de elecci&oacute;n en pacientes al&eacute;rgicos a la penicilina.    <br> AHA=American Heart Association.    <br> BSAC=British Society for Antimicrobial Chemotherapy.</font></i> </p>    <br>      <p>En 1982, la Sociedad Brit&aacute;nica de Quimioterapia Antimicrobiana (BSAC) public&oacute; unas pautas de profilaxis antibi&oacute;tica de EB (9). &Eacute;stas fueron revisadas y modificadas en 1986 (11), 1990 (13) y 1993 (14). Desde 1955 (23), la Sociedad Americana de Cardiolog&iacute;a (AHA) ha divulgado 8 protocolos profil&aacute;cticos de EB, publicando su &uacute;ltima revisi&oacute;n en 1997 (16). En la actualidad, ambas sociedades describen de forma precisa el grupo de cardiopat&iacute;as con mayor riesgo de EB y los procedimientos odontol&oacute;gicos m&aacute;s susceptibles de provocar bacteriemia en los que se recomienda la profilaxis, siendo &eacute;sta administrada en reg&iacute;menes basados en dosis &uacute;nica de antibi&oacute;tico (14,16) (<a href="#tabla1">Tabla 1</a>).</p>      <p>El prop&oacute;sito del presente estudio fue conocer las pautas de profilaxis antibi&oacute;tica de EB sugeridas por los odont&oacute;logos en Espa&ntilde;a.</p>      <p><b>MATERIAL Y MÉTODOS</b></p>     ]]></body>
<body><![CDATA[<p>La informaci&oacute;n se obtuvo de 400 odont&oacute;logos seleccionados aleatoriamente y distribuidos por todo el territorio espa&ntilde;ol. Se pregunt&oacute;, mediante una llamada telef&oacute;nica, cu&aacute;l era el r&eacute;gimen profil&aacute;ctico que se deb&iacute;a administrar a un paciente de riesgo de EB, antes de someterse a una exodoncia. Para ello, un paciente ficticio planteaba directamente al odont&oacute;logo el siguiente caso cl&iacute;nico: "Hace aproximadamente un mes, durante el transcurso de un viaje comenc&eacute; a sentir un intenso dolor en un diente. Acud&iacute; al Servicio de Urgencias del hospital m&aacute;s pr&oacute;ximo, donde me prescribieron medicaci&oacute;n antibi&oacute;tica. El doctor que me atendi&oacute; me avis&oacute; de que, en el caso de necesitar extraer el diente, deb&iacute;a recibir una profilaxis antibi&oacute;tica, ya que soy portador de una pr&oacute;tesis en la v&aacute;lvula mitral. &#191;Qu&eacute; f&aacute;rmaco debo tomar antes de extraer el diente?".</p>      <p>De los 400 odont&oacute;logos encuestados, a 200 se les pregunt&oacute; sobre la pauta de profilaxis de EB aplicable en pacientes no al&eacute;rgicos a la penicilina y a los 200 restantes, sobre la recomendada en los al&eacute;rgicos a la penicilina. Se utilizaron los reg&iacute;menes profil&aacute;cticos de la AHA de 1990 (12) y 1997 (16), y de la BSAC de 1993 (14), con el fin de clasificar las respuestas aportadas por los encuestados.</p>      <p><b>RESULTADOS</b></p>     <p>De los 400 odont&oacute;logos, 182 (45,5%) no sugirieron ning&uacute;n r&eacute;gimen profil&aacute;ctico; de &eacute;stos el 74,7% se&ntilde;alaron la necesidad de una cita para una exploraci&oacute;n previa y el 25,3% refirieron al paciente a su m&eacute;dico de familia o cardi&oacute;logo. Para pacientes no al&eacute;rgicos a la penicilina, 97 odont&oacute;logos recomendaron antibi&oacute;ticos: 25 (25,8%) propusieron pautas de profilaxis de EB incompletas (solamente mencionaron el antibi&oacute;tico), 42 (43,3%) pautas de profilaxis incorrectas (la elecci&oacute;n del antibi&oacute;tico y su posolog&iacute;a no se correspondieron con ninguno de los protocolos publicados), y solamente 30 (30,9%) sugirieron alg&uacute;n r&eacute;gimen profil&aacute;ctico correcto (17 fueron pautas de la AHA de 1990, 11 de la AHA de 1997 y 2 de la BSAC de 1993) (<a href="#tabla2">Tabla 2</a>).</p>     <p align="center"><a name="tabla2"><img border="0" src="/img/revistas/medicor/v9n1/8_image02.gif" width="673" height="251"></a></p>     <p align="center"><i><font size="2"><b>Tabla 2</b>. Pautas de profilaxis de EB recomendadas por los odont&oacute;logos espa&ntilde;oles    <br> para pacientes no al&eacute;rgicos y al&eacute;rgicos a la penicilina.    <br> * 97 de los 200 odont&oacute;logos encuestados recomendaron alg&uacute;n r&eacute;gimen profil&aacute;ctico.    <br> ** 121 de los 200 odont&oacute;logos encuestados recomendaron alg&uacute;n r&eacute;gimen profil&aacute;ctico.    <br> a-Solamente mencionaron el antibi&oacute;tico.    ]]></body>
<body><![CDATA[<br> b-La elecci&oacute;n del antibi&oacute;tico y su posolog&iacute;a no se correspondieron con ninguno de los    <br> protocolos publicados.    <br> c-Se consideraron correctas las pautas de la AHA de 1990 y 1997, y de la BSAC de 1993.</font></i></p>    <br>      <p>Para pacientes al&eacute;rgicos a la penicilina, 121 odont&oacute;logos recomendaron alg&uacute;n protocolo profil&aacute;ctico, siendo el antibi&oacute;tico de elecci&oacute;n en el 68,2% de los encuestados eritromicina, en el 17,6% clindamicina y en el 14,2% otros. Las pautas de profilaxis de EB sugeridas se clasificaron en: 44 (36,4%) incompletas, 43 (35,3%) incorrectas y solamente 34 (28,3%) correctas (19 respuestas coincidieron con la pauta de la AHA de 1990 y 15 con la de la AHA de 1997/BSAC de 1993) (<a href="#tabla2">Tabla 2</a>).</p>      <p align="center"><b>DISCUSIÓN</b></p>     <p>En la literatura se recogen diversas encuestas efectuadas en diferentes pa&iacute;ses al colectivo de odont&oacute;logos acerca de la necesidad y el empleo actual de quimioprofilaxis de EB ante determinados procedimientos dentales (24-34) (<a href="#tabla3">Tabla 3</a>). Todos ellos presentan un sesgo metodol&oacute;gico com&uacute;n, derivado de la aplicaci&oacute;n de cuestionarios estandarizados enviados por correo (24-25), o bien de llamadas telef&oacute;nicas con una carta previa explicando el prop&oacute;sito e importancia del estudio (29,30). En el presente trabajo, el investigador plante&oacute; por tel&eacute;fono el "hipot&eacute;tico caso cl&iacute;nico" al odont&oacute;logo, sin revelar en ning&uacute;n momento el objetivo de la encuesta.</p>     <p align="center"><a name="tabla3"><img border="0" src="/img/revistas/medicor/v9n1/8_image03.gif" width="616" height="552"></a></p>     <p align="center"><i><font size="2"><b>Tabla 3</b>. Principales encuestas realizadas en diversos pa&iacute;ses sobre las pautas de    <br> profilaxis antibi&oacute;tica de EB recomendadas por los odont&oacute;logos (24-34).    ]]></body>
<body><![CDATA[<br> * Se consideraron respuestas correctas las que coincid&iacute;an con los reg&iacute;menes    <br> propuestos por la AHA y la BSAC.    <br> (a)Para pacientes con enfermedad card&iacute;aca y con pr&oacute;tesis valvulares, respectivamente.    <br> (b)Profilaxis para pacientes no al&eacute;rgicos y al&eacute;rgicos a la penicilina, respectivamente.    <br> (c)Este grupo estaba formado por odont&oacute;logos, neum&oacute;logos y otorrinolaring&oacute;logos.    <br> (d)Profilaxis para pacientes m&eacute;dicamente comprometidos.</font></i></p>    <br>      <p>Aunque la AHA en sus &uacute;ltimas recomendaciones defini&oacute; cu&aacute;les eran las alteraciones card&iacute;acas de riesgo de EB y los procedimientos odontol&oacute;gicos en los que est&aacute; indicada la administraci&oacute;n de profilaxis antibi&oacute;tica (16), Strom et al. (35) no observaron una mayor frecuencia de tratamientos dentales, en los 3 meses previos al diagn&oacute;stico, en los pacientes con EB con respecto a los controles. En consecuencia, estos autores (35) sugirieron que la realizaci&oacute;n de procedimientos odontol&oacute;gicos no constituye un factor "de riesgo" de EB, ni aun en pacientes con condiciones card&iacute;acas consideradas de riesgo. Debido a la controversia planteada, Durack (36), en un editorial publicado en Annals of Internal Medicine en 1998, se pronunci&oacute; al respecto limitando el uso de la profilaxis s&oacute;lo previa a exodoncias y cirug&iacute;a gingival y s&oacute;lo en pacientes portadores de pr&oacute;tesis card&iacute;acas o con un episodio previo de EB.</p>      <p>M&aacute;s del 50% de los odont&oacute;logos opinan que la responsabilidad de una apropiada profilaxis antibi&oacute;tica de EB antes de un tratamiento dental revierte finalmente en ellos (25). Sin embargo, la derivaci&oacute;n al m&eacute;dico de familia o cardi&oacute;logo de pacientes de riesgo de EB, antes de la realizaci&oacute;n de un tratamiento dental, es una pr&aacute;ctica com&uacute;n entre los odont&oacute;logos (27,37,38), efectuada por m&aacute;s del 25% de nuestros encuestados. En este sentido, Tom&aacute;s et al. (39) encontraron que en el 28% de los Servicios de Cardiolog&iacute;a y/o Medicina Interna espa&ntilde;oles se desconoc&iacute;an las pautas de profilaxis antibi&oacute;tica de EB para pacientes de riesgo que iban a someterse a una manipulaci&oacute;n dental.</p>      <p>En contraste con estudios previos (27,29), nuestra encuesta revel&oacute; que casi el 100% de los odont&oacute;logos que prescribieron profilaxis antibi&oacute;tica emplearon amoxicilina oral en pacientes no al&eacute;rgicos a la penicilina. En la actualidad, la AHA recomienda este antimicrobiano, debido principalmente a su elevada absorci&oacute;n a nivel del tracto gastrointestinal y a las altas y prolongadas concentraciones s&eacute;ricas que alcanza, si lo comparamos con otros antibi&oacute;ticos como ampicilina y penicilina V (16). Por otra parte, de acuerdo con trabajos m&aacute;s antiguos (26,27), la eritromicina contin&uacute;a siendo el antibi&oacute;tico preferido por casi el 70% de los odont&oacute;logos espa&ntilde;oles para pacientes al&eacute;rgicos a la penicilina. Sin embargo, en los &uacute;ltimos protocolos profil&aacute;cticos de EB de la AHA (16) y de la BSAC (14), la clindamicina reemplaza a la eritromicina como antibi&oacute;tico de elecci&oacute;n en pacientes al&eacute;rgicos a la penicilina.</p>      ]]></body>
<body><![CDATA[<p>En numerosos estudios realizados entre odont&oacute;logos, sobre la aceptaci&oacute;n de las pautas de profilaxis de EB, se ha demostrado que en pacientes considerados de riesgo, el antibi&oacute;tico y la posolog&iacute;a administrada difieren marcadamente, oscilando entre 1,6% y 96% el porcentaje de respuestas acordes a los protocolos de la AHA o la BSAC (<a href="#tabla3">Tabla 3</a>). En nuestro estudio, el antibi&oacute;tico y la posolog&iacute;a se correspondieron con alguno de los protocolos publicados, en tan s&oacute;lo un tercio de los odont&oacute;logos que aconsejaron alg&uacute;n r&eacute;gimen profil&aacute;ctico. El 70% restante s&oacute;lo nombraron el antibi&oacute;tico, lo administraron durante varios d&iacute;as, lo recomendaron antes y despu&eacute;s del procedimiento dental, o emplearon dosis inadecuadas o antibi&oacute;ticos inapropiados.</p>      <p>Los estudios m&aacute;s antiguos muestran una baja aceptaci&oacute;n de las pautas de profilaxis de EB, presumiblemente relacionada con el rechazo por parte de pacientes y odont&oacute;logos a la administraci&oacute;n de antibi&oacute;ticos inyectables (40). Holbrook et al., en 1987 (41), demostraron un marcado cambio de actitud, con una r&aacute;pida adopci&oacute;n de los reg&iacute;menes basados en dosis &uacute;nica de amoxicilina oral (protocolo recomendado por el 63% de los odont&oacute;logos). Forbat et al., (30), encontraron que el 96% de los odont&oacute;logos ingleses prescrib&iacute;an los antibi&oacute;ticos recomendados por la BSAC en la revisi&oacute;n publicada en 1993. Recientemente, una encuesta realizada en Canad&aacute; por Epstein et al. (34) revel&oacute; que m&aacute;s del 80% de los odont&oacute;logos aplicaban los actuales protocolos profil&aacute;cticos recomendados por la AHA. Estos resultados reflejan la alta aceptaci&oacute;n de estos protocolos entre los odont&oacute;logos, debido fundamentalmente a la simplicidad que suponen los reg&iacute;menes basados en dosis &uacute;nica de antibi&oacute;tico comparados a los utilizados previamente. Sin embargo, entre los odont&oacute;logos espa&ntilde;oles no existe una mayor tendencia por estos protocolos basados en dosis &uacute;nica, ya que solamente fueron recomendados por el 13,4%-12,3% (para pacientes no al&eacute;rgicos y al&eacute;rgicos a la penicilina, respectivamente) de los encuestados que sugirieron alguna pauta de profilaxis. El r&eacute;gimen profil&aacute;ctico m&aacute;s comentado fue el publicado por la AHA en 1990 (12).</p>      <p>La implicaci&oacute;n de determinados procedimientos odontol&oacute;gicos o procesos infecciosos orales en la aparici&oacute;n de EB, la gravedad de esta complicaci&oacute;n card&iacute;aca, la sencillez y eficacia de los protocolos preventivos y sus importantes repercusiones legales (42), exigen el conocimiento por parte de los profesionales de la Odontolog&iacute;a de las pautas actualizadas de profilaxis antibi&oacute;tica de EB. Los resultados de nuestro trabajo demuestran una importante carencia de conocimientos sobre esta materia entre los odont&oacute;logos espa&ntilde;oles. La ausencia de una postura consensuada sobre el protocolo profil&aacute;ctico de elecci&oacute;n podr&iacute;a explicar en parte la discrepancia existente entre los odont&oacute;logos espa&ntilde;oles acerca de cu&aacute;l es la pauta m&aacute;s recomendable.</p>      <p><b>BIBLIOGRAF&Iacute;A/REFERENCES</b></p>     <!-- ref --><p>1. Sekido M, Takano T, Takayama M, Hayakawa H. Survey of infective endocarditis in the last 10 years: Analysis of clinical, microbiological and therapeutic features. J Cardiol 1999;33:209-15.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2923544&pid=S1698-4447200400010000800001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>2. Hricak V, Kovacik J, Marx P, Schramekova E, Fischer V, Vitekova D, et al. Etiology and risk factors of 180 cases of native valve endocarditis. 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<body><![CDATA[<!-- ref --><p>14. Simmons NA. British Society for Antimicrobial Chemotherapy working party report. Recommendations for endocarditis prophylaxis. J Antimicrob Chemother 1993;31:437-8.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2923570&pid=S1698-4447200400010000800014&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>15. Leport C, Horstkotte D, Burckhardt D, and the group of experts of the International Society for Chemotherapy. Antibiotic prophylaxis for infective endocarditis from an international group of experts towards a European consensus. Eur Heart J 1995;16:126-31.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2923572&pid=S1698-4447200400010000800015&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>16. Dajani AS, Taubert KA, Wilson W, Bolger AF, Bayer A, Ferrieri P, et al. Recommendations by the American Heart Association. Prevention of bacterial endocarditis. Circulation 1997;96:358-66.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2923574&pid=S1698-4447200400010000800016&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>17. Wright AJ, Wilson WR. Experimental animal endocarditis. Mayo Clin Proc 1982;57:10-4.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2923576&pid=S1698-4447200400010000800017&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>18. Fluckiger U, Moreillon P, Blaser J, Bickle M, Glauser MP, Francioli P. Simulation of amoxicillin pharmacokinetics in humans for the prevention of streptococcal endocarditis in rats. Antimicrob Agents Chemother 1994;38:2846-9.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=2923578&pid=S1698-4447200400010000800018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     ]]></body>
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