<?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>1646-2122</journal-id>
<journal-title><![CDATA[Revista Portuguesa de Ortopedia e Traumatologia]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Port. Ortop. Traum.]]></abbrev-journal-title>
<issn>1646-2122</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Ortopedia e Traumatologia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-21222017000100007</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Sacroileíte Piogénica: Caso Clínico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Areias]]></surname>
<given-names><![CDATA[Margarida]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pinheiro]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pombo]]></surname>
<given-names><![CDATA[Bruno]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Raposo]]></surname>
<given-names><![CDATA[Filipa]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Luís]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sá]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Unidade Local de Saúde do Alto Minho Serviço de Ortopedia e Traumatologia ]]></institution>
<addr-line><![CDATA[Viana do Castelo ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2017</year>
</pub-date>
<volume>25</volume>
<numero>1</numero>
<fpage>49</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-21222017000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-21222017000100007&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-21222017000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[A sacroileíte piogénica é uma patologia rara, representando apenas 1-2% de todas as infecções osteoarticulares em crianças. O seu diagnóstico é difícil devido à sua raridade, sinais clínicos vagos e semelhantes à artrite séptica da anca. Embora de prognóstico excelente, o diagnóstico tardio pode originar várias complicações como formação de abcesso, sequestro e sépsis. O tratamento implica um curso de antibioterapia prolongada, reservando-se a abordagem cirúrgica para casos selecionados. É apresentado um caso de sacroileíte piogénica, numa criança de sexo masculino, com 11 anos de idade.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Pyogenic sacroiliitis is a rare disease, accounting for only 1-2% of all osteoarticular infections in children. The diagnosis is difficult because of its rarity, vague clinical signs and similar to septic arthritis of the hip. Although excellent prognosis, late diagnosis can lead to various complications such as abscess formation, sequestrum and sepsis. Treatment involves a course of prolonged antibiotic therapy, reserving the surgical approach for selected cases. A case of pyogenic sacroiliitis is displayed, in a male child, 11 years old.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Sacroileíte Piogénica]]></kwd>
<kwd lng="pt"><![CDATA[Staphylococcus aureus]]></kwd>
<kwd lng="pt"><![CDATA[Criança]]></kwd>
<kwd lng="en"><![CDATA[Pyogenic Sacroiliitis]]></kwd>
<kwd lng="en"><![CDATA[Staphylococcus aureus]]></kwd>
<kwd lng="en"><![CDATA[Child]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><b><font face="Verdana" size="2">CASO CLÍNICO</font></b></p>     <p>&nbsp;</p>     <p><b><font face="Verdana" size="4">Sacroileíte Piogénica - Caso Clínico</font></b></p>     <p>&nbsp;</p>     <p><font face="Verdana" size="2"><b>Carolina Oliveira<sup>I</sup></b>; <b>Margarida Areias<sup>I</sup></b>; <b>Ana Pinheiro<sup>I</sup></b>; <b>Bruno Pombo<sup>I</sup></b>; <b>Filipa Raposo<sup>I</sup></b>; <b>Luís Silva<sup>I</sup></b>; <b>Pedro Sá<sup>I</sup></b></font></p>     <p><font face="Verdana" size="2">I. Serviço de Ortopedia e Traumatologia, Unidade Local de Saúde do Alto Minho, Viana do Castelo. Viana do Castelo.<br /></font></p>     <p>&nbsp;</p>     <p><b><font face="Verdana" size="2">RESUMO</font></b></p><font face="verdana" size="2">    <p>A sacroile&iacute;te piog&eacute;nica &eacute; uma patologia rara, representando apenas 1-2% de todas as infec&ccedil;&otilde;es osteoarticulares em crian&ccedil;as. O seu diagn&oacute;stico &eacute; dif&iacute;cil devido &agrave; sua raridade, sinais cl&iacute;nicos vagos e semelhantes &agrave; artrite s&eacute;ptica da anca. Embora de progn&oacute;stico excelente, o diagn&oacute;stico tardio pode originar v&aacute;rias complica&ccedil;&otilde;es como forma&ccedil;&atilde;o de abcesso, sequestro e s&eacute;psis. O tratamento implica um curso de antibioterapia prolongada, reservando-se a abordagem cir&uacute;rgica para casos selecionados. &Eacute; apresentado um caso de sacroile&iacute;te piog&eacute;nica, numa crian&ccedil;a de sexo masculino, com 11 anos de idade.</p></font>    <p><font face="verdana" size="2"><b>Palavras chave</b>: Sacroileíte Piogénica, Staphylococcus aureus, Criança. </font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><b><font face="Verdana" size="2">ABSTRACT</font></b></p><font face="verdana" size="2">    <p>Pyogenic sacroiliitis is a rare disease, accounting for only 1-2% of all osteoarticular infections in children. The diagnosis is difficult because of its rarity, vague clinical signs and similar to septic arthritis of the hip. Although excellent prognosis, late diagnosis can lead to various complications such as abscess formation, sequestrum and sepsis. Treatment involves a course of prolonged antibiotic therapy, reserving the surgical approach for selected cases. A case of pyogenic sacroiliitis is displayed, in a male child, 11 years old.</p></font>    <p><font face="verdana" size="2"><b>Key words</b>: Pyogenic Sacroiliitis, Staphylococcus aureus, Child. </font></p>     <p>&nbsp;</p>     <p><b><font face="Verdana" size="2">INTRODUÇÃO</font></b></p><font face="verdana" size="2">    <p>A artrite s&eacute;ptica &eacute; uma patologia comum durante a inf&acirc;ncia com uma incid&ecirc;ncia entre 5 e 12/100.000 crian&ccedil;as<sup>1</sup>. Contudo, a sacroile&iacute;te piog&eacute;nica &eacute; rara, representando 1-2% de todas as infec&ccedil;&otilde;es osteoarticulares<sup>1</sup>.</p>     <p>A sua apresenta&ccedil;&atilde;o clinica vari&aacute;vel e inespec&iacute;fica tornam o seu diagn&oacute;stico dif&iacute;cil, e como tal, este pode ser adiado por v&aacute;rios dias/semanas. Esta entidade pode manifestar-se de 2 formas: aguda ou subaguda, sendo esta &uacute;ltima mais rara<sup>2</sup>.</p>     <p>A resson&acirc;ncia magn&eacute;tica (RM) &eacute; considerada por diversos autores como o exame de elei&ccedil;&atilde;o para a confirma&ccedil;&atilde;o do diagn&oacute;stico<sup>3</sup>. A cintigrafia pode ser usada mas apresenta uma baixa especificidade<sup>4</sup>. As hemoculturas e/ou cultura do liquido sinovial s&atilde;o fundamentais para a identifica&ccedil;&atilde;o do agente patog&eacute;nio, sendo o mais comum o Staphylocccus aureus<sup>5</sup>.</p>     <p>O tratamento m&eacute;dico consiste em antibioterapia endovenosa, geralmente uma penicilina de largo espectro e/ou cefalosporina, durante um per&iacute;odo de 4-6 semanas, reservando-se a drenagem do abcesso para os casos que n&atilde;o respondam &agrave; antibioterapia<sup>6</sup>.</p></font>    ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><b><font face="Verdana" size="2">RELATO DO CASO</font></b></p><font face="verdana" size="2">    <p>Crian&ccedil;a com 11 anos, sexo masculino, ra&ccedil;a caucasiana, sem antecedentes de relevo, observada no servi&ccedil;o de urg&ecirc;ncia por dor na regi&atilde;o paravertebral lombar direita com irradia&ccedil;&atilde;o para a regi&atilde;o gl&uacute;tea ipsilateral de in&iacute;cio s&uacute;bito. De referir hist&oacute;ria pr&eacute;via de traumatismo da regi&atilde;o gl&uacute;tea direita durante a pr&aacute;tica de desporto com 2 dias de evolu&ccedil;&atilde;o.</p>     <p>Ao exame objetivo verificou-se apirexia, claudica&ccedil;&atilde;o da marcha, dor intensa &agrave; palpa&ccedil;&atilde;o da articula&ccedil;&atilde;o sacro-il&iacute;aca direita. De destacar exacerba&ccedil;&atilde;o das queixas &aacute;lgicas durante os movimentos flex&atilde;o/extens&atilde;o e rota&ccedil;&atilde;o interna/externa da anca direita.</p>     <p>Realizou estudo anal&iacute;tico que revelou leucocitose (17780/ul) com neutr&oacute;filia e Prote&iacute;na C Reativa (PCR) ligeiramente elevada (3.1mg/dl) bem como, a Velocidade de Sedimenta&ccedil;&atilde;o (VS) elevada (50mm). De referir ainda realiza&ccedil;&atilde;o de hemocultura na admiss&atilde;o.</p>     <p>Realizou Rx da bacia, ecografia da anca direita e TC Bacia (<a name="topf1"></a><a href="#f1">Figura 1</a>) onde n&atilde;o se visualizaram altera&ccedil;&otilde;es de relevo, incluindo a anca direita, e sem evid&ecirc;ncia de cole&ccedil;&otilde;es/massas. Por persist&ecirc;ncia do quadro cl&iacute;nico, sem remiss&atilde;o de queixas &aacute;lgicas ap&oacute;s um per&iacute;odo de 24 horas de vigil&acirc;ncia, realizou RM (<a name="topf2"></a><a href="#f2">Figura 2a</a> e <a name="topf3"></a><a href="#f3">2b</a>) onde se visualiza edema &oacute;sseo da articula&ccedil;&atilde;o sacro-il&iacute;aca direita, com abaulamento da vertente anterior da c&aacute;psula sinovial a que se associa a uma cole&ccedil;&atilde;o liquida com 5 mm de di&acirc;metro, compat&iacute;vel com sacroile&iacute;te.</p>     <p>&nbsp;</p><a name="f1"></a>     <p>    <center><img src="/img/revistas/rpot/v25n1/25n1a07f1.jpg" width="392" height="293" border="0" /></center></p>     
<p>&nbsp;</p><a name="f2"></a>     ]]></body>
<body><![CDATA[<p>    <center><img src="/img/revistas/rpot/v25n1/25n1a07f2.jpg" width="391" height="347" border="0" /></center></p>     
<p>&nbsp;</p><a name="f3"></a>     <p>    <center><img src="/img/revistas/rpot/v25n1/25n1a07f3.jpg" width="390" height="398" border="0" /></center></p>     
<p>&nbsp;</p>     <p>A crian&ccedil;a foi admitida no servi&ccedil;o de Pediatria para tratamento com antibioterapia emp&iacute;rica endovenosa (Ceftriaxone e Vancomicina). Ao 10&ordm; dia de internamento verificou-se hemocultura positiva para Staphylococcus aureus. Completou em regime de internamento 21 dias de Ceftriaxone e Vancomicina endovenosos e na data da alta iniciou Flucloxacilina oral por uma per&iacute;odo de 21 dias. &Agrave; data de alta estava apir&eacute;tico, sem queixas &aacute;lgicas, com remiss&atilde;o do quadro infeccioso do ponto de vista anal&iacute;tico e radiol&oacute;gico (<a name="topf4"></a><a href="#f4">Figura 3</a>).</p>     <p>&nbsp;</p><a name="f4"></a>     <p>    <center><img src="/img/revistas/rpot/v25n1/25n1a07f4.jpg" width="391" height="335" border="0" /></center></p>     
]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>Atualmente o doente encontra-se em seguimento em consulta de Ortopedia e Pediatria, n&atilde;o apresentando evid&ecirc;ncia de recidiva de quadro infeccioso, nem sequelas.</p></font>    <p>&nbsp;</p>     <p><b><font face="Verdana" size="2">DISCUSSÃO</font></b></p><font face="verdana" size="2">    <p>A sacroilie&iacute;e infeciosa &eacute; uma patologia pouco frequente e conhecida, encontrando-se cerca de 200 casos publicados em l&iacute;ngua inglesa<sup>7</sup>. Foi descrita a primeira vez em 1878 por Poore<sup>8</sup>, publicando 2 casos em crian&ccedil;as com 4 e 5 anos. Mais recentemente, Shaad<sup>9</sup>, em 1980, efetuou uma revis&atilde;o da literatura entre 1941 e 1979, encontrando 77 casos de sacroile&iacute;te piog&eacute;nica em doentes com idade inferior a 17 anos.</p>     <p>A maioria dos casos ocorre em doentes do sexo masculino durante a inf&acirc;ncia tardia, tendo uma apresenta&ccedil;&atilde;o sobretudo subaguda<sup>9</sup>. Verifica-se um atingimento predominantemente unilateral, sendo a articula&ccedil;&atilde;o sacroil&iacute;aca direita a mais afetada<sup>10</sup>. Os grupos de risco s&atilde;o as crian&ccedil;as imunodeprimidas e portadoras de anemia de c&eacute;lulas falciformes<sup>10</sup>. Os fatores predisponentes incluem trauma pr&eacute;vio<sup>11</sup> (10% casos), infe&ccedil;&atilde;o respirat&oacute;ria pr&eacute;via, dermatite at&oacute;pica, picada de inseto e foliculite<sup>12</sup>.</p>     <p>O diagn&oacute;stico das infe&ccedil;&otilde;es osteoarticulares da regi&atilde;o p&eacute;lvica representa um desafio devido &agrave; pouca especificidade e variedade de sintomas. As manifesta&ccedil;&otilde;es cl&iacute;nicas mais comuns s&atilde;o dor, claudica&ccedil;&atilde;o da marcha e febre, presentes em 59% casos<sup>13</sup>. A dor geralmente &eacute; difusa, frequentemente localizada no quadrante interno superior da n&aacute;dega, com irradia&ccedil;&atilde;o para a face posterior da coxa, embora nalguns casos se apresente apenas como lombalgia, com agravamento noturno.</p>     <p>O exame objetivo &eacute; essencial, fornecendo informa&ccedil;&atilde;o para o diagn&oacute;stico. Existem v&aacute;rias manobras/testes descritos para a avalia&ccedil;&atilde;o da articula&ccedil;&atilde;o sacroil&iacute;aca, sendo os mais importantes a manobra de Volkman, o teste de Gaenslen, o teste de FABER e o teste de Yeoman<sup>14</sup>. Todos s&atilde;o considerados positivos quando despertam dor na articula&ccedil;&atilde;o sacroil&iacute;aca. A manobra de Volkman realiza-se com o paciente em dec&uacute;bito dorsal, apoiando o examinador as m&atilde;os sobre ambas cristas il&iacute;acas, for&ccedil;ando-as para tr&aacute;s. No teste de Gaenslen o paciente segura em flex&atilde;o m&aacute;xima um dos membros inferiores, enquanto o examinador realiza a hiperextens&atilde;o do membro superior contralateral, podendo ser efetuado em dec&uacute;bito dorsal ou supino. O teste de FABER implica a realiza&ccedil;&atilde;o da abdu&ccedil;&atilde;o, flex&atilde;o e rota&ccedil;&atilde;o externa da anca. O teste de Yeoman &eacute; realizado com o paciente em dec&uacute;bito ventral e, com joelho fletido a 90&ordm;, realiza-se a hiperextens&atilde;o da anca.</p>     <p>As analises laboratoriais como o hemograma, a velocidade de sedimenta&ccedil;&atilde;o (VS) e a prote&iacute;na c reativa (PCR), embora apresentem alta sensibilidade, s&atilde;o poucos espec&iacute;ficos<sup>15</sup>. Em 85% dos casos a VS e PCR encontra-se aumentada, enquanto s&oacute; 50% dos casos apresentam leucocitose<sup>16</sup>.</p>     <p>A hemocultura deve ser realizada antes da administra&ccedil;&atilde;o de antibioterapia, apresentando uma taxa de positividade baixa (45.5-60%)<sup>17</sup>. Embora a cultura do l&iacute;quido sinovial da articula&ccedil;&atilde;o sacroil&iacute;aca, atrav&eacute;s de aspira&ccedil;&atilde;o apresente uma elevada taxa de identifica&ccedil;&atilde;o de agentes pat&oacute;geneos, esta n&atilde;o est&aacute; recomendada por rotina<sup>17</sup>. Al&eacute;m de tecnicamente dif&iacute;cil, apenas est&aacute; recomendada em pacientes com sinais/sintomas e achados radiol&oacute;gicos sugestivos de sacroile&iacute;te, que apresentem hemoculturas negativas, e sem resposta &agrave; antibioterapia endovenosa<sup>12</sup>. Os agentes isolados em hemoculturas e/ou liquido sinovial mais comuns s&atilde;o Staphylococcus aureus (80% casos), Streptococcus beta-haemolyticus, Haemophilus influenza, Escherichia coli, Salmonella e Proteus mirabilis<sup>18,19</sup>.</p>     ]]></body>
<body><![CDATA[<p>Os exames radiol&oacute;gicos s&atilde;o &uacute;teis no diagn&oacute;stico, embora o Rx, a Tc e a ecografia, sobretudo no estadio inicial da doen&ccedil;a, acrescentem pouca informa&ccedil;&atilde;o<sup>16</sup>. A cintilografia &oacute;ssea permite detetar a localiza&ccedil;&atilde;o da les&atilde;o precocemente, embora apresente uma baixa especificidade<sup>17</sup>. A RM &eacute; o exame que apresenta taxas de sensibilidade/especificidade mais elevadas (95%/100%), para a confirma&ccedil;&atilde;o do diagn&oacute;stico de sacroiliite<sup>3</sup>. Combina a boa visualiza&ccedil;&atilde;o da articula&ccedil;&atilde;o sacroil&iacute;aca, com a capacidade de localizar a inflama&ccedil;&atilde;o e permite observar a quantidade de l&iacute;quido intra-articular, edema da medula &oacute;ssea e abcesso3.</p>     <p>O diagn&oacute;stico diferencial inclui apendicite, tumor, espondilodiscite, artrite s&eacute;ptica da anca e espondiloartropatias soro negativas, tais como a espondilite anquilosante, s&iacute;ndrome de Reiter e artrite psori&aacute;tica<sup>18</sup>.</p>     <p>O tratamento m&eacute;dico consiste em antibioterapia e repouso no leito. Quando diagnosticado precocemente, a sacroile&iacute;te piog&eacute;nica tem um progn&oacute;stico excelente<sup>20</sup>. O tratamento emp&iacute;rico dever&aacute; cobrir o Staphylococcus aureus, sendo uma cefalosporina de 1&ordf; gera&ccedil;&atilde;o ou uma penicilina de largo espectro, os antibi&oacute;ticos de escolha. A dura&ccedil;&atilde;o do tratamento recomendado &eacute; de 4-6 semanas, sendo que inicialmente dever&aacute; ser administrado por via endovenosa e, quando houver melhoria cl&iacute;nica/anal&iacute;tica, a antibioterapia dever&aacute; ser administrada oralmente<sup>18</sup>. Sempre que se isolar um agente microbiano, a antibioterapia dever&aacute; ser ajustada. A drenagem cir&uacute;rgica dever&aacute; ser reservada nos casos de doen&ccedil;a avan&ccedil;ada, que inclui a presen&ccedil;a de abcesso p&eacute;lvico acompanhado de sintomas sist&eacute;micos, e quando n&atilde;o h&aacute; resposta cl&iacute;nica/anal&iacute;tica &agrave; antibioticoterapia<sup>13</sup>.</p></font>     <p>&nbsp;</p>     <p><b><font face="Verdana" size="2">CONCLUSÃO</font></b></p><font face="verdana" size="2">    <p>A sacroile&iacute;te piog&eacute;nica deve ser inclu&iacute;da no diagn&oacute;stico diferencial de uma crian&ccedil;a que apresenta febre associada a lombalgia e/ou coxalgia. Nestes pacientes, deve-se efetuar o teste de FABER e, caso seja positivo, recomenda-se a realiza&ccedil;&atilde;o de RM. A antibioterapia &eacute; eficaz na maioria dos casos, sendo raras as sequelas.</p></font>    <p>&nbsp;</p>     <p><b><font face="Verdana" size="2">REFERÊNCIAS BIBLIOGRÁFICAS</font></b></p>     <!-- ref --><p><font face="verdana" size="2">1. Ballesteros R. Sacroilitis en niños: un diagnostic difícil. Revista de Enfermedades Infecciosas en Pediatria. 2010; XXIII (93): 31-34</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1315084&pid=S1646-2122201700010000700001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p><font face="verdana" size="2">2. Marques Filho J. Sacroiliite séptica: relato de caso. 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<body><![CDATA[<p>&nbsp;</p>     <p><b><font face="Verdana" size="2">Conflito de interesse: </font></b></p><font face="verdana" size="2">    <p>Nada a declarar.</p></font>    <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font face="verdana" size="2"><b>Data de Submissão: </b> 2017-01-24</font></p>     <p><font face="verdana" size="2"><b>Data de Revisão: </b> 2017-05-29</font></p>     <p><font face="verdana" size="2"><b>Data de Aceitação: </b> 2017-06-04</font></p>     ]]></body><back>
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