<?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>0102-7638</journal-id>
<journal-title><![CDATA[Revista Brasileira de Cirurgia Cardiovascular]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Bras Cir Cardiovasc]]></abbrev-journal-title>
<issn>0102-7638</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Brasileira de Cirurgia Cardiovascular]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0102-76382012000100006</article-id>
<article-id pub-id-type="doi">10.5935/1678-9741.20120006</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Cirurgia cardíaca videoassistida: 6 anos de experiência]]></article-title>
<article-title xml:lang="en"><![CDATA[Video-assisted cardiac surgery: 6 years of experience]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fortunato Júnior]]></surname>
<given-names><![CDATA[Jeronimo Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Marcelo Luiz]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martins]]></surname>
<given-names><![CDATA[André Luiz M.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[Daniele de Souza C.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paz]]></surname>
<given-names><![CDATA[Maria Evangelista]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paludo]]></surname>
<given-names><![CDATA[Luciana]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Branco Filho]]></surname>
<given-names><![CDATA[Alcides]]></given-names>
</name>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Milosewich]]></surname>
<given-names><![CDATA[Branka]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital da Cruz Vermelha Brasileira Filial do Paraná serviço de cirurgia cardíaca ]]></institution>
<addr-line><![CDATA[Curitiba PR]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Hospital da Cruz Vermelha Brasileira Filial do Paraná equipe de cirurgia cardíaca ]]></institution>
<addr-line><![CDATA[Curitiba PR]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A03">
<institution><![CDATA[,Hospital da Cruz Vermelha Brasileira Filial do Paraná  ]]></institution>
<addr-line><![CDATA[Curitiba PR]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Hospital da Cruz Vermelha Brasileira Filial do Paraná serviço de Terapia Intensiva ]]></institution>
<addr-line><![CDATA[Curitiba PR]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2012</year>
</pub-date>
<volume>27</volume>
<numero>1</numero>
<fpage>24</fpage>
<lpage>37</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.br/scielo.php?script=sci_arttext&amp;pid=S0102-76382012000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.br/scielo.php?script=sci_abstract&amp;pid=S0102-76382012000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.br/scielo.php?script=sci_pdf&amp;pid=S0102-76382012000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[INTRODUÇÃO: A cirurgia cardíaca minimamente invasiva e videoassistida (CCVA) tem aumentado em popularidade nos últimos 15 anos. As pequenas incisões têm sido associadas a um bom efeito estético e menor trauma cirúrgico, consequentemente, menor dor e rápida recuperação pós-operatória. OBJETIVOS: Apresentar nossa casuística com CCVA, após 6 anos de uso do método. MÉTODOS: Cento e trinta e seis pacientes foram submetidos à CCVA, após consentimento escrito, entre setembro de 2005 e outubro de 2011, sendo 50% do sexo masculino, com idade de 47,8 ± 15,4 anos, divididos em dois grupos: com circulação extracorpórea (CEC) (GcCEC=105 pacientes): valvopatia mitral (47/105), valvopatia aórtica (39/105) e cardiopatia congênita (19/105) e sem CEC (GsCEC=31 pacientes): ressincronização cardíaca (18/31), tumor cardíaco (4/31) e revascularização miocárdica minimamente invasiva (6/31). No GcCEC, foi realizada minitoracotomia direita (3 a 5 cm) e acesso femoral para canulação periférica. RESULTADOS: No GcCEC, a média de dias em UTI (DUTI) e de internação hospitalar (DH) foi, respectivamente, 2,4 ± 4,5 dias e 5,0 ± 6,8 dias. Doze pacientes apresentaram complicações no pós-operatório e cinco (4,8%) foram a óbito. Noventa e três (88,6%) pacientes evoluíram sem intercorrências, foram extubados no centro cirúrgico, permanecendo 1,8 ± 0,9 DUTI e 3,6 ± 1,3 DH. No GsCEC, foram 1,3 ± 0,7 DUTI e 2,9 ± 1,4 DH, sem intercorrências ou óbitos. CONCLUSÃO: Os resultados encontrados nesta casuística são comparáveis aos da literatura mundial e confirmam o método como opção à técnica convencional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[INTRODUCTION: Minimally invasive and video-assisted cardiac surgery (VACS) has increased in popularity over the past 15 years. The small incisions have been associated with a good aesthetic effect and less surgical trauma, therefore less postoperative pain and rapid recovery. OBJECTIVES: To present our series with VACS, after 6 years of use of the method. METHODS: 136 patients underwent VACS, after written consent, between September 2005 and October 2011, 50% for men and age of 47.8 ± 15, 4anos, divided into two groups: with cardiopulmonary (CEC) (GcCEC=105 patients): mitral valve disease (47/105), aortic disease (39/105), congenital heart disease (19/105) and without extracorporeal circulation (CEC) (GsCEC=31 patients): cardiac resynchronization (18/ 31), cardiac tumor (4/31) and minimally invasive coronary artery bypass grafting (6/31). GcCEC was held in right minithoracotomy (3 to 5 cm) and femoral access to perform cannulation. RESULTS: In GcCEC, mean length of ICU stay and hospital stay were respectively 2.4 ± 4.5 days and 5.0 ± 6.8 days. Twelve patients presented complications in post-operative and five (4.8%) death. Ninety-three (88.6%) patients evolved uneventful, were extubated in operating room, and remained a mean of 1.8 ± 0.9 days in ICU and 3.6±1.3 days in the hospital. In GsCEC, were mean 1.3 ± 0.7 days in ICU and 2.9 ± 1.4 days in hospital and without complications or deaths. CONCLUSION: The results found in this series are comparable to those of world literature and confirm the method as an option the conventional technique.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[valvas cardíacas]]></kwd>
<kwd lng="pt"><![CDATA[cirurgia vídeoassistida]]></kwd>
<kwd lng="pt"><![CDATA[cirurgia torácica vídeo-assistida]]></kwd>
<kwd lng="en"><![CDATA[heart valves]]></kwd>
<kwd lng="en"><![CDATA[video-assisted surgery]]></kwd>
<kwd lng="en"><![CDATA[thoracic surgery, video-assisted]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>ARTIGO ORIGINAL</b></font></p>     <p>&nbsp;</p>     <p><a name="enda"></a><font size="4" face="Verdana, Arial, Helvetica, sans-serif"><b>Cirurgia card&iacute;aca videoassistida: 6 anos de experi&ecirc;ncia</b></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Jeronimo Antonio Fortunato J&uacute;nior<sup>I</sup>; Marcelo Luiz Pereira<sup>II</sup>; Andr&eacute; Luiz M. Martins<sup>II</sup>; Daniele de Souza C. Pereira<sup>III</sup>; Maria Evangelista Paz<sup>IV</sup>; Luciana Paludo<sup>V</sup>; Alcides Branco Filho<sup>VI</sup>; Branka Milosewich<sup>VII</sup></b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><sup>I</sup>Cirurgi&atilde;o cardiovascular; Chefe do servi&ccedil;o de cirurgia card&iacute;aca do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Mestre em cl&iacute;nica cir&uacute;rgica, Curitiba, PR, Brasil    <br>   <sup>II</sup>Cirurgi&atilde;o cardiovascular; membro da equipe de cirurgia card&iacute;aca do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Curitiba, PR, Brasil    <br>   <sup>III</sup>Cardiologista; membro da equipe de cirurgia card&iacute;aca do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Curitiba, PR, Brasil    <br>   <sup>IV</sup>Instrumentadora cir&uacute;rgica; membro da equipe de cirurgia card&iacute;aca do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Curitiba, PR, Brasil    ]]></body>
<body><![CDATA[<br>   <sup>V</sup>Anestesiologista; membro da equipe de cirurgia card&iacute;aca do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Curitiba, PR, Brasil    <br>   <sup>VI</sup>Cirurgia geral; Especialista em videolaparoscopia do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Curitiba, PR, Brasil    <br>   <sup>VII</sup>Chefe do servi&ccedil;o de Terapia Intensiva do Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute;, Curitiba, PR, Brasil </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><a href="#end">Endere&ccedil;o para correspond&ecirc;ncia</a></font></p>     <p>&nbsp;</p>     <p>&nbsp;</p> <hr size="1" noshade>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>RESUMO</b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>INTRODU&Ccedil;&Atilde;O: </b> A cirurgia card&iacute;aca minimamente invasiva e videoassistida (CCVA) tem aumentado em popularidade nos &uacute;ltimos 15 anos. As pequenas incis&otilde;es t&ecirc;m sido associadas a um bom efeito est&eacute;tico e menor trauma cir&uacute;rgico, consequentemente, menor dor e r&aacute;pida recupera&ccedil;&atilde;o p&oacute;s-operat&oacute;ria.     <br>   <b>OBJETIVOS: </b> Apresentar nossa casu&iacute;stica com CCVA, ap&oacute;s 6 anos de uso do m&eacute;todo.     <br>   <b>M&Eacute;TODOS: </b> Cento e trinta e seis pacientes foram submetidos &agrave; CCVA, ap&oacute;s consentimento escrito, entre setembro de 2005 e outubro de 2011, sendo 50% do sexo masculino, com idade de 47,8 ± 15,4 anos, divididos em dois grupos: com circula&ccedil;&atilde;o extracorp&oacute;rea (CEC) (GcCEC=105 pacientes): valvopatia mitral (47/105), valvopatia a&oacute;rtica (39/105) e cardiopatia cong&ecirc;nita (19/105) e sem CEC (GsCEC=31 pacientes): ressincroniza&ccedil;&atilde;o card&iacute;aca (18/31), tumor card&iacute;aco (4/31) e revasculariza&ccedil;&atilde;o mioc&aacute;rdica minimamente invasiva (6/31). No GcCEC, foi realizada minitoracotomia direita (3 a 5 cm) e acesso femoral para canula&ccedil;&atilde;o perif&eacute;rica.     ]]></body>
<body><![CDATA[<br>   <b>RESULTADOS: </b> No GcCEC, a m&eacute;dia de dias em UTI (DUTI) e de interna&ccedil;&atilde;o hospitalar (DH) foi, respectivamente, 2,4 ± 4,5 dias e 5,0 ± 6,8 dias. Doze pacientes apresentaram complica&ccedil;&otilde;es no p&oacute;s-operat&oacute;rio e cinco (4,8%) foram a &oacute;bito. Noventa e tr&ecirc;s (88,6%) pacientes evolu&iacute;ram sem intercorr&ecirc;ncias, foram extubados no centro cir&uacute;rgico, permanecendo 1,8 ± 0,9 DUTI e 3,6 ± 1,3 DH. No GsCEC, foram 1,3 ± 0,7 DUTI e 2,9 ± 1,4 DH, sem intercorr&ecirc;ncias ou &oacute;bitos.     <br>   <b>CONCLUS&Atilde;O: </b> Os resultados encontrados nesta casu&iacute;stica s&atilde;o compar&aacute;veis aos da literatura mundial e confirmam o m&eacute;todo como op&ccedil;&atilde;o &agrave; t&eacute;cnica convencional. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Descritores: </b> valvas card&iacute;acas/cirurgia. cirurgia v&iacute;deoassistida. cirurgia tor&aacute;cica v&iacute;deo-assistida. </font></p> <hr size="1" noshade>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>INTRODU&Ccedil;&Atilde;O </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A cirurgia card&iacute;aca minimamente invasiva tem aumentado em popularidade nos &uacute;ltimos 15 anos. As pequenas incis&otilde;es t&ecirc;m sido associadas a um bom efeito est&eacute;tico e menor trauma cir&uacute;rgico, consequentemente menor dor e r&aacute;pida recupera&ccedil;&atilde;o p&oacute;s-operat&oacute;ria. Durante algum tempo, mesmo esses argumentos n&atilde;o atraiam a aten&ccedil;&atilde;o da popula&ccedil;&atilde;o m&eacute;dica. Com a maior divulga&ccedil;&atilde;o da t&eacute;cnica e melhores resultados em relatos recentes, esse conceito vem se modificando. Os benef&iacute;cios das m&iacute;nimas incis&otilde;es se sustentam principalmente com a confirma&ccedil;&atilde;o da redu&ccedil;&atilde;o dos custos hospitalares, sem prejudicar os resultados j&aacute; alcan&ccedil;ados com esternotomia mediana &#91;1-3&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Incorporando as t&eacute;cnicas minimamente invasivas, tamb&eacute;m nos &uacute;ltimos anos, os procedimentos endovasculares tomaram popularidade. Nesses exemplos, incluem-se as endopr&oacute;teses de aorta, dispositivos para oclus&atilde;o de fendas cong&ecirc;nitas (Amplatzers) e os implantes transcateter de valva a&oacute;rtica &#91;4-8&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Mesmo assim, a esternotomia mediana ainda &eacute; o acesso tradicional para tratamento cir&uacute;rgico das doen&ccedil;as do cora&ccedil;&atilde;o, pois permite excelente controle de todas as estruturas card&iacute;acas, afirmando-se como uma t&eacute;cnica segura e com baixa morbimortalidade. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Todas as op&ccedil;&otilde;es cir&uacute;rgicas recentemente incorporadas t&ecirc;m demonstrado que a evolu&ccedil;&atilde;o tecnol&oacute;gica aliada &agrave; medicina tem grande valor cient&iacute;fico e, apesar dos bons resultados j&aacute; alcan&ccedil;ados com os procedimentos convencionais, n&atilde;o devem ser desprezadas &#91;9&#93;. </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Neste trabalho, procuramos reunir todos os casos submetidos &agrave; cirurgia card&iacute;aca em nossa institui&ccedil;&atilde;o com interven&ccedil;&otilde;es minimamente invasivas e videoassistida (CCVA) e divulgar os resultados do per&iacute;odo intra-hospitalar. </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>M&Eacute;TODOS </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Cento e trinta e seis pacientes foram submetidos a CCVA, entre setembro de 2005 e outubro de 2011, depois de informados sobre o procedimento alternativo e assinado termo de consentimento esclarecido. Sessenta e oito (50%) pacientes eram do sexo masculino e a idade m&eacute;dia foi de 47,8 ± 15,4 anos. Nesta casu&iacute;stica, com a inten&ccedil;&atilde;o de permitir melhor homogeneiza&ccedil;&atilde;o das doen&ccedil;as, os pacientes foram divididos em dois grupos: com aux&iacute;lio da circula&ccedil;&atilde;o extracorp&oacute;rea (GcCEC) e sem emprego da CEC (GsCEC). Cento e cinco pacientes foram submetidos a cirurgia card&iacute;aca com cardiotomia e CEC e os 31 pacientes restantes submetidos a procedimentos na periferia do cora&ccedil;&atilde;o, sem necessidade de cardiotomia. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No grupo GcCEC, 35% dos pacientes apresentavam valvopatia mitral, 29%, valvopatia a&oacute;rtica e 14%, cardiopatia cong&ecirc;nita. No grupo GsCEC, 18 (13%) pacientes apresentavam miocardiopatia dilatada e foram submetidos a terapia de ressincroniza&ccedil;&atilde;o ventricular, tr&ecirc;s pacientes foram submetidos a corre&ccedil;&atilde;o de f&iacute;stula coron&aacute;rio-pulmonar por toracoscopia (sem aux&iacute;lio de CEC), quatro pacientes foram submetidos a ressec&ccedil;&atilde;o endosc&oacute;pica de tumor envolvendo o cora&ccedil;&atilde;o (3%) e seis foram submetidos a revasculariza&ccedil;&atilde;o mioc&aacute;rdica minimamente invasiva com dissec&ccedil;&atilde;o de art&eacute;ria mam&aacute;ria interna esquerda atrav&eacute;s de toracoscopia (4%). Todas as caracter&iacute;sticas cl&iacute;nicas dos pacientes desta casu&iacute;stica foram inclu&iacute;das na <a href="/img/revistas/rbccv/v27n1/a06tab01m.jpg">Tabela 1</a>. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Avalia&ccedil;&atilde;o ecocardiogr&aacute;fica, doppler vascular perif&eacute;rico, de aorta abdominal e de art&eacute;rias car&oacute;tidas foram realizados em todos os pacientes que necessitaram de CEC perif&eacute;rica. Coronariografia foi realizada nos pacientes que apresentavam risco cardiovascular compat&iacute;vel com a possibilidade de doen&ccedil;a coron&aacute;ria. Foram exclu&iacute;dos do presente estudo pacientes que apresentavam concomitantemente insufici&ecirc;ncia a&oacute;rtica moderada a importante indicados para cirurgia mitral, doen&ccedil;a vascular perif&eacute;rica grave com necessidade de CEC perif&eacute;rica, cirurgia tor&aacute;cica pr&eacute;via do mesmo lado do procedimento cir&uacute;rgico, doen&ccedil;a coronariana cir&uacute;rgica concomitante ou que optassem pela esternotomia mediana. Nos demais casos, a primeira op&ccedil;&atilde;o foi sempre a CCVA. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No Grupo GcCEC, foi realizada minitoracotomia direita (3 a 5 cm), no 3º ou 4º espa&ccedil;o intercostal direito, conforme a doen&ccedil;a a&oacute;rtica ou atrioventricular envolvida e CEC perif&eacute;rica, realizada pelos vasos femorais (port-access technology) &#91;10,11&#93;. Toracoscopia esquerda foi procedida nos casos de ressincroniza&ccedil;&atilde;o card&iacute;aca, revasculariza&ccedil;&atilde;o mioc&aacute;rdica ou em que foi necess&aacute;rio o mesmo acesso cir&uacute;rgico. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Ecocardiografia transesof&aacute;gica (TEE) foi usada em todos os pacientes do GcCEC, tanto para introdu&ccedil;&atilde;o das c&acirc;nulas arterial e venosa, como para acompanhamento e confirma&ccedil;&atilde;o do resultado cir&uacute;rgico, valvar ou cong&ecirc;nito. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os instrumentais utilizados envolveram um toracosc&oacute;pio com di&acirc;metro de 5 ou 10 mm, conforme a necessidade de campo visual e angula&ccedil;&atilde;o de lente de 30 graus. Os instrumentais (ESTECH<sup>&reg;</sup> Inc., Calif&oacute;rnia, USA) idealizados especificamente para cirurgia card&iacute;aca, inclu&iacute;ram: afastadores de &aacute;trio, tesouras, empurradores de n&oacute;, pin&ccedil;a de aorta, porta-agulha e contra porta-agulha. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Outros instrumentos como pin&ccedil;as, eletrocaut&eacute;rio, c&acirc;meras de v&iacute;deo e fonte de luz foram os mesmos utilizados nas laparoscopias convencionais. Nos casos em que a CEC foi empregada, foram utilizados: um insuflador de CO<sub>2</sub>, para substitui&ccedil;&atilde;o do ar ambiente, e um man&ocirc;metro com press&atilde;o negativa, para drenagem venosa "a v&aacute;cuo". Os kits de canula&ccedil;&atilde;o femoral arterial e venosa, idealizados para CEC perif&eacute;rica, foram utilizados em todos esses casos (DLP<sup>&reg;</sup> Medtronic Inc., Minneapolis, USA). </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">T&eacute;cnica cir&uacute;rgica passo-a-passo nos casos de CCVA com CEC perif&eacute;rica </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1. Foram utilizados, no m&iacute;nimo, dois acessos perif&eacute;ricos de bom calibre, para indu&ccedil;&atilde;o anest&eacute;sicas; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">2. Foi realizada intuba&ccedil;&atilde;o orotraqueal com c&acirc;nula de Carlens<sup>&reg;</sup> ou Portecs<sup>&reg;</sup>, para oclus&atilde;o do pulm&atilde;o direito durante a cirurgia; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3. Ap&oacute;s a introdu&ccedil;&atilde;o da c&acirc;nula, assegurou-se a efetiva oclus&atilde;o unilateral direita e manuten&ccedil;&atilde;o da oxigena&ccedil;&atilde;o com um &uacute;nico pulm&atilde;o; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">4. Foi necess&aacute;ria a canula&ccedil;&atilde;o de ambas as art&eacute;rias radiais com aux&iacute;lio de endopin&ccedil;a a&oacute;rtica, permitindo monitoramento do endopin&ccedil;amento, para que este n&atilde;o migrasse e oclu&iacute;sse os vasos da base. Em casos de pin&ccedil;amento a&oacute;rtico transtor&aacute;cico, uma das art&eacute;rias radiais foi suficiente; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">5. Pun&ccedil;&atilde;o de vaso central, jugular ou subcl&aacute;vio para infus&atilde;o de drogas e monitora&ccedil;&atilde;o da press&atilde;o venosa central. Foi prefer&iacute;vel sempre a pun&ccedil;&atilde;o do lado direito, pois uma complica&ccedil;&atilde;o como pneumot&oacute;rax n&atilde;o diagnosticada no lado esquerdo poderia ser grav&iacute;ssima e impedir a oclus&atilde;o do pulm&atilde;o direito; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6. P&aacute;s adesivas para desfibrila&ccedil;&atilde;o transtor&aacute;cica foram coladas na regi&atilde;o tor&aacute;cica esquerda, anterior e posterior; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">7. Nos casos com CEC, o hemit&oacute;rax direito, bem como os vasos femorais, foram expostos pelos campos cir&uacute;rgicos. Um coxim elevava ligeiramente o hemit&oacute;rax direito, para que ficasse exposta a linha axilar m&eacute;dia (<a href="#fig1">Figura 1</a>); </font></p>     <p><a name="fig1"></a></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="center"><img src="/img/revistas/rbccv/v27n1/a06fig01.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8. A CEC foi montada de forma convencional, testada a rede de v&aacute;cuo, com aux&iacute;lio de um man&ocirc;metro de press&atilde;o negativa conectado ao reservat&oacute;rio venoso do oxigenador. Esse teste foi feito durante o preenchimento do circuito e retirada de bolhas. Varia&ccedil;&otilde;es de 40 a 100 mmHg foram utilizadas para permitir drenagem venosa adequada; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9. Ap&oacute;s a escolha do m&eacute;todo de acesso perif&eacute;rico, foram dissecados ou puncionados os vasos femorais, ainda antes da hepariniza&ccedil;&atilde;o (<a href="#fig1">Figura 1</a>). Os tubos de CEC direcionados para o campo operat&oacute;rio, posicionados sob os membros inferiores; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10. Iniciava-se a incis&atilde;o tor&aacute;cica, ap&oacute;s defini&ccedil;&atilde;o do melhor local de acesso. Esta incis&atilde;o se fez em pele e subcut&acirc;neo. Nas mulheres, preconizou-se antecipar com uma caneta o local de incis&atilde;o inframam&aacute;ria que &eacute; desviado na posi&ccedil;&atilde;o de dec&uacute;bito. Em seguida, realizou-se uma incis&atilde;o tor&aacute;cica inferior (quinto espa&ccedil;o intercostal com linha axilar anterior) para introdu&ccedil;&atilde;o do trocater, inicialmente utilizado pela c&acirc;mara de v&iacute;deo, para auxiliar o ponto ideal da incis&atilde;o intercostal. O mesmo trocater foi utilizado para coloca&ccedil;&atilde;o do aspirador de &aacute;trio esquerdo e, ao final da cirurgia, do dreno tor&aacute;cico; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">11. Seguiu-se &agrave; dissec&ccedil;&atilde;o do peric&aacute;rdio e identifica&ccedil;&atilde;o do nervo fr&ecirc;nico. Abriu-se o peric&aacute;rdio, anteriormente ao nervo, desde a veia cava inferior at&eacute; a aorta, pr&oacute;ximo &agrave; f&uacute;rcula esternal. Em caso de acesso &agrave; valva a&oacute;rtica, o peric&aacute;rdio foi incisado mais alto, descendo somente at&eacute; a visualiza&ccedil;&atilde;o da aur&iacute;cula direita. Pontos de exposi&ccedil;&atilde;o foram usados para manter o peric&aacute;rdio aberto e tracionados na parede tor&aacute;cica;</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"> 12. Ap&oacute;s hepariniza&ccedil;&atilde;o plena, realizou-se a canula&ccedil;&atilde;o dos vasos femorais, primeiramente a veia femoral, introduzindo-se um guia met&aacute;lico r&iacute;gido, progredindo at&eacute; o &aacute;trio direito, confirmado com TEE. Dilatadores foram introduzidos sequencialmente para dilatar o vaso, at&eacute; que a c&acirc;nula, com dilatador oclusivo, fosse introduzida at&eacute; o &aacute;trio direito, novamente sendo necess&aacute;rio assegurar sua posi&ccedil;&atilde;o com TEE. Depois de posicionada a c&acirc;nula venosa, essa foi fixada na pele e conectada ao tubo venoso da CEC. O mesmo procedimento foi adotado com a canula&ccedil;&atilde;o arterial, somente que, nesse caso, a progress&atilde;o da c&acirc;nula seguiu at&eacute; seu comprimento m&aacute;ximo, na aorta abdominal. Conectada ao segmento arterial no tubo de CEC, se testava a permeabilidade e pulso; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">13. Em casos de atriotomia direita (comunica&ccedil;&atilde;o interatrial, comunica&ccedil;&atilde;o interventricular ou cirurgia mitral por acesso transeptal), uma c&acirc;nula de duplo est&aacute;gio nº 22F (ESTECH<sup>&reg;</sup>) foi introduzida pela veia femoral, com aux&iacute;lio da TEE, at&eacute; seu posicionamento na veia cava superior, seguido de cadar&ccedil;amento de ambas as veias cavas. Em muitos casos, foi utilizada a canula&ccedil;&atilde;o dupla, veia cava superior com c&acirc;nula nº 16F ou 17F e veia cava inferior nº 21F, ambas DLP<sup>&reg;</sup>. A op&ccedil;&atilde;o pela canula&ccedil;&atilde;o dupla foi sempre preferida, pois a c&acirc;nula de duplo est&aacute;gio, em algumas situa&ccedil;&otilde;es, em decorr&ecirc;ncia de sua presen&ccedil;a sobre o campo cir&uacute;rgico, dificulta a visualiza&ccedil;&atilde;o da les&atilde;o card&iacute;aca; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">14. Uma incis&atilde;o de 2 cm foi realizada no segundo espa&ccedil;o intercostal com linha axilar anterior, para coloca&ccedil;&atilde;o da pin&ccedil;a transtor&aacute;cica de Chitwood<sup>&reg;</sup> (<a href="#fig2">Figura 2</a>); </font></p>     <p><a name="fig2"></a></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rbccv/v27n1/a06fig02.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">15. Nesse momento, iniciou-se a CEC. A necessidade de maior ou menor drenagem foi orientada pelo cirurgi&atilde;o, que solicitava varia&ccedil;&otilde;es na press&atilde;o do v&aacute;cuo; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">16. Previamente ao pin&ccedil;amento transtor&aacute;cico, confeccionou-se uma bolsa na raiz a&oacute;rtica, para introdu&ccedil;&atilde;o da c&acirc;nula de cardioplegia, que foi usada ao final do procedimento tamb&eacute;m para retirada de ar das cavidades esquerdas. Essa mesma c&acirc;nula foi retirada sempre em CEC e com baixo fluxo, buscando minimizar os riscos de dissec&ccedil;&atilde;o da aorta; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">17. Cardioplegia sangu&iacute;nea hipot&eacute;rmica 4/1 foi realizada a cada 15 minutos e a CEC mantida entre 28 e 30 graus. Nos casos em que foi utilizada solu&ccedil;&atilde;o de HTK (Custodiol<sup>&reg;</sup>), somente uma infus&atilde;o foi feita na raiz a&oacute;rtica para realizar todo o procedimento, nos casos de insufici&ecirc;ncia a&oacute;rtica, a infus&atilde;o foi realizada em &oacute;stios coron&aacute;rios &#91;12&#93;; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">18. Nesse momento, abria-se a cavidade card&iacute;aca: atriotomia esquerda, septostomia, atriotomia direita ou aortotomia, conforme a doen&ccedil;a card&iacute;aca. Pontos de exposi&ccedil;&atilde;o foram utilizados para aorta e &aacute;trio direito e afastador de &aacute;trio esquerdo (ESTECH<sup>&reg;</sup>), nas doen&ccedil;as mitrais; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">19. Depois de completado o tempo cir&uacute;rgico principal, procurou-se ter muita aten&ccedil;&atilde;o para m&aacute;xima retirada de ar das cavidades card&iacute;acas, tamb&eacute;m orientada pela TEE. O primeiro passo era realizar a posi&ccedil;&atilde;o m&aacute;xima de Trendelenburg. Em doen&ccedil;as da aorta, a c&acirc;nula de cardioplegia, instalada na raiz a&oacute;rtica, foi suficiente para aspirar todo o ar residual no ventr&iacute;culo esquerdo. Para a valva mitral, um "vente" de ventr&iacute;culo esquerdo foi colocado atrav&eacute;s da valva, mantendo-a insuficiente. Nesse momento, a TEE confirmava a completa elimina&ccedil;&atilde;o do ar das cavidades card&iacute;acas, antes da sa&iacute;da de CEC. Per&iacute;odos de interrup&ccedil;&atilde;o de CEC com aspira&ccedil;&atilde;o constante de raiz a&oacute;rtica ajudavam na deaera&ccedil;&atilde;o; </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">20. Um dreno tor&aacute;cico foi suficiente para drenagem, colocado na incis&atilde;o inferior utilizada inicialmente para aspira&ccedil;&atilde;o de &aacute;trio esquerdo. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">21. Ap&oacute;s revis&atilde;o da hemostasia, iniciou-se administra&ccedil;&atilde;o de protamina por infus&atilde;o cont&iacute;nua. Antes de se completar a revers&atilde;o da heparina, retirava-se a c&acirc;nula venosa. Considerando-se que a introdu&ccedil;&atilde;o foi normalmente percut&acirc;nea, somente compress&atilde;o local foi realizada; </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">22. Depois de revertida a anticoagula&ccedil;&atilde;o, uma bolsa com fio prolene 4-0 foi confeccionada na art&eacute;ria ao redor da c&acirc;nula femoral, para oclus&atilde;o ap&oacute;s sua retirada;</font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">23. Terminadas todas as suturas, supeficializava-se a anestesia e; sempre que poss&iacute;vel; o paciente era extubado ainda na sala cir&uacute;rgica.</font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>RESULTADOS </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Cento e trinta e seis pacientes foram submetidos a CCVA. Trinta e um pacientes n&atilde;o foram operados com aux&iacute;lio de CEC (GsCEC) e, em 105, CEC e cardiotomia foram empregadas (GcCEC), sendo os procedimentos cir&uacute;rgicos desse grupo apresentados na <a href="#tab2">Tabela 2</a>. </font></p>     <p><a name="tab2"></a></p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rbccv/v27n1/a06tab02.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Grupo com CEC (GcCEC)</b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A maioria dos pacientes (101/105) foi submetida a pin&ccedil;amento a&oacute;rtico transtor&aacute;cico com pin&ccedil;a de Chitwood<sup>&reg;</sup> (ESTECH Inc., Calif&oacute;rnia, USA). Em quatro casos, todos submetidos &agrave; reopera&ccedil;&atilde;o mitral, utilizamos alternativas ao pin&ccedil;amento transtor&aacute;cico: tr&ecirc;s pacientes foram submetido a hipotermia moderada com parada card&iacute;aca em fibrila&ccedil;&atilde;o ventricular e um paciente submetido a endopin&ccedil;amento a&oacute;rtico com c&acirc;nula ESTECH<sup>&reg;</sup>. Os primeiros 61 pacientes da s&eacute;rie receberam cardioplegia sangu&iacute;nea fria 4/1, de forma intermitente, na raiz a&oacute;rtica, a cada 15 minutos, nos casos de insufici&ecirc;ncia a&oacute;rtica grave, os &oacute;stios coron&aacute;rios foram utilizados para infus&atilde;o seletiva. Nos &uacute;ltimos 37 pacientes, utilizamos infus&atilde;o &uacute;nica de solu&ccedil;&atilde;o de Custodiol<sup>&reg;</sup>, em raiz a&oacute;rtica ou &oacute;stios coron&aacute;rios, conforme a doen&ccedil;a envolvida. Optou-se por essa solu&ccedil;&atilde;o em decorr&ecirc;ncia da comodidade da dose &uacute;nica e sua boa resposta sobre a fun&ccedil;&atilde;o ventricular &#91;12&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Valvopatia mitral </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Quarenta e sete pacientes receberam tratamento cir&uacute;rgico da valva mitral e foram realizadas oito (17%) trocas valvares, 39 (83%) plastias, 10 (21,3%) cirurgias de Maze modificado e seis (12,8%) plastias de valva tric&uacute;spide. Nas trocas valvares, foram utilizadas pr&oacute;teses met&aacute;licas (St Jude Medical System<sup>&reg;</sup>) e compreenderam pacientes que apresentavam dupla les&atilde;o mitral, com predom&iacute;nio de estenose grave. Nos demais 39 pacientes, uma plastia mitral foi poss&iacute;vel, e incluiu comissurotomia e miopapilotomia, nos casos de estenose pura, e implante de anel de Gregori<sup>&reg;</sup>, comissurotomia, ressec&ccedil;&atilde;o quadrangular de c&uacute;spide posterior e/ou transposi&ccedil;&atilde;o de cordoalhas, nos casos de predom&iacute;nio de insufici&ecirc;ncia mitral. Abla&ccedil;&atilde;o por radiofrequ&ecirc;ncia das veias pulmonares e exclus&atilde;o da aur&iacute;cula esquerda (Maze modificado) foi procedida nos casos de fibrila&ccedil;&atilde;o atrial associada. Um paciente com comunica&ccedil;&atilde;o interatrial e fibrila&ccedil;&atilde;o atrial tamb&eacute;m foi submetido &agrave; abla&ccedil;&atilde;o de veias pulmonares e &aacute;trio direito (Maze completo). Plastia tric&uacute;spide com redu&ccedil;&atilde;o anular foi realizada concomitantemente ao tratamento da valva mitral em seis pacientes. Nos &uacute;ltimos 32 (68,1%) pacientes, optamos pelo acesso transseptal para tratamento da valva mitral, por observamos resultados superiores ao do acesso transatrial realizado nos primeiros. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Um paciente inclu&iacute;do no grupo de doen&ccedil;a mitral foi submetido a troca a&oacute;rtica e mitral, em decorr&ecirc;ncia de insufici&ecirc;ncia a&oacute;rtica importante, subestimada pela ecocardiografia e que dificultou a cardioplegia anter&oacute;grada, sendo realizada em &oacute;stios coron&aacute;rios, ap&oacute;s aortotomia. Tr&ecirc;s pacientes foram operados por endocardite de valva mitral, dois casos em situa&ccedil;&atilde;o eletiva e um caso em urg&ecirc;ncia, por insufici&ecirc;ncia mitral aguda e acidente vascular cerebral emb&oacute;lico. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Nos pacientes com doen&ccedil;a da valva mitral ou cardiopatia cong&ecirc;nita, realizamos minitoracotomia direita de 3 a 5 cm, no 4º espa&ccedil;o intercostal esquerdo, nesses casos optamos pelo acesso inframam&aacute;rio ou periareolar, conforme a possibilidade anat&ocirc;mica e constitui&ccedil;&atilde;o f&iacute;sica &#91;13,14&#93; (<a href="/img/revistas/rbccv/v27n1/a06fig03m.jpg">Figura 3</a>). </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Valvopatia a&oacute;rtica </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Nos 39 casos com doen&ccedil;a a&oacute;rtica, a troca valvar foi realizada em todos os pacientes. Optamos em 33 casos pelo implante de pr&oacute;tese met&aacute;lica (St. Jude Medical System<sup>&reg;</sup>). Seis pacientes com idade superior a 70 anos receberam implante de uma pr&oacute;tese biol&oacute;gica (Braile Biom&eacute;dica<sup>&reg;</sup>). Miniesternotomia superior em L invertido foi realizada em nove pacientes, por apresentarem calcifica&ccedil;&atilde;o valvar importante e dilata&ccedil;&atilde;o da aorta ascendente. Nos demais casos (76,9%; 30/39), realizamos minitoracotomia anterolateral direita atrav&eacute;s do segundo ou terceiro espa&ccedil;o intercostal (<a href="/img/revistas/rbccv/v27n1/a06fig04m.jpg">Figura 4</a>). </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Cardiopatia cong&ecirc;nita </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Dezenove pacientes apresentavam cardiopatia cong&ecirc;nita, 16 tinham comunica&ccedil;&atilde;o interarterial, destes 14 foram tratados com r&aacute;fia prim&aacute;ria. A inclus&atilde;o de remendo de peric&aacute;rdio bovino foi realizada somente em dois casos, em que foi encontrada aus&ecirc;ncia completa do septo atrial. Tr&ecirc;s pacientes apresentavam comunica&ccedil;&atilde;o interventricular perimembranosa, que foi fechada com peric&aacute;rdio bovino por acesso pelo &aacute;trio direito transpondo a valva tric&uacute;spide, nestes pacientes dois tinham comunica&ccedil;&atilde;o interarterial associada e foram corrigidas por sutura prim&aacute;ria. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Grupo sem CEC (GsCEC) </b></font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Terapia de Ressincroniza&ccedil;&atilde;o Ventricular </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Dezoito pacientes portadores de miocardiopatia dilatada, insufici&ecirc;ncia card&iacute;aca refrat&aacute;ria e dissincronia ventricular grave foram submetidos a terapia de ressincroniza&ccedil;&atilde;o ventricular. Nesses casos, foi implantado um ressincronizador biventricular. O implante de eletrodo epic&aacute;rdico de ventr&iacute;culo esquerdo foi realizado atrav&eacute;s de toracoscopia esquerda. A orienta&ccedil;&atilde;o pr&eacute;-operat&oacute;ria da posi&ccedil;&atilde;o ideal do eletrodo epic&aacute;rdico, bem como o controle p&oacute;s-operat&oacute;rio da ressincroniza&ccedil;&atilde;o, foi realizada por ecocardiografia tridimensional (Ecocardi&oacute;grafo IE-33, Philips Medical System). Em todos os casos, a ressincroniza&ccedil;&atilde;o foi efetiva e sem intercorr&ecirc;ncias &#91;15&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Fistula coron&aacute;rio-pulmonar </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Tr&ecirc;s pacientes n&atilde;o inclu&iacute;dos no grupo GcCEC tinham fistula coron&aacute;rio-pulmonar tratadas com ligadura atrav&eacute;s de toracoscopia e dispositivos met&aacute;licos &#91;16&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tumor card&iacute;aco </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Ressec&ccedil;&atilde;o de tumor extracard&iacute;aco (lipoma) aderido ao &aacute;trio esquerdo foi realizada em dois casos, um dos quais com 1 kg de peso. Um caso de neurohemangiolipoma aderido ao peric&aacute;rdio e epic&aacute;rdio tamb&eacute;m foi ressecado via toracoscopia. O quarto paciente apresentava miastenia gravis e timoma, que estava aderido aos vasos da base e tamb&eacute;m foi ressecado atrav&eacute;s de toracoscopia, sem toracotomia. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Revasculariza&ccedil;&atilde;o mioc&aacute;rdica </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Seis pacientes foram submetidos a revasculariza&ccedil;&atilde;o isolada de art&eacute;ria coron&aacute;ria descendente anterior, com implante de art&eacute;ria mam&aacute;ria interna esquerda. O procedimento cir&uacute;rgico foi realizado em primeiro tempo com toracoscopia e dissec&ccedil;&atilde;o da art&eacute;ria tor&aacute;cica. Em seguida, foi realizada minitoracotomia em 4º espa&ccedil;o intercostal esquerdo, com incis&atilde;o inframam&aacute;ria, para o implante coron&aacute;rio. Em todos os casos, foi utilizado conduto intracoron&aacute;rio sem uso de CEC. Nenhum paciente apresentou intercorr&ecirc;ncia e todos receberam alta hospitalar precoce. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><b>Tempos cir&uacute;rgicos e complica&ccedil;&otilde;es p&oacute;s-operat&oacute;rias </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os tempos operat&oacute;rios e complica&ccedil;&otilde;es p&oacute;s-operat&oacute;rias foram descritos nos casos em que se utilizou CEC associada &agrave;s m&iacute;nimas incis&otilde;es e est&atilde;o relacionados nas <a href="/img/revistas/rbccv/v27n1/a06tab03m.jpg">Tabelas 3</a> e <a href="/img/revistas/rbccv/v27n1/a06tab04m.jpg">4</a>. </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os tempos m&eacute;dios cir&uacute;rgicos foram 274,8 ± 58,8 min de sala operat&oacute;ria, 134,1 ± 58,8 min de CEC e 82,2 ±3 9,6 min de pin&ccedil;amento a&oacute;rtico. Os tempos totais de interna&ccedil;&atilde;o corresponderam a 2,4 ± 4,5 dias de UTI e 5,0 ± 6,8 dias de interna&ccedil;&atilde;o p&oacute;s-operat&oacute;ria. A m&eacute;dia de sangramento total aferido pelos drenos tor&aacute;cicos, no p&oacute;s-operat&oacute;rio, foi de 523,5 ± 560,2 ml e a reposi&ccedil;&atilde;o de hemoderivados foi de 0,98 ± 1,47 unidades de concentrado de hem&aacute;cias por paciente. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Doze (11,4%) pacientes apresentaram complica&ccedil;&otilde;es no p&oacute;s-operat&oacute;rio: tr&ecirc;s pacientes evolu&iacute;ram com acidente vascular cerebral isqu&ecirc;mico, destes, dois transit&oacute;rios com recupera&ccedil;&atilde;o completa entre 24 e 48 horas de p&oacute;s-operat&oacute;rio. Um caso permaneceu ap&oacute;s a alta hospitalar com monoplegia e dislalia. Um paciente apresentou complica&ccedil;&atilde;o vascular perif&eacute;rica no s&iacute;tio de canula&ccedil;&atilde;o arterial com trombose, que necessitou embolectomia e r&aacute;fia com retalho de peric&aacute;rdio bovino, no segundo dia de p&oacute;s-operat&oacute;rio. Essas complica&ccedil;&otilde;es ocorreram somente nos casos de troca valvar a&oacute;rtica, em pacientes com estenose grave e calcifica&ccedil;&atilde;o grave de anel e c&uacute;spides. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Uma paciente submetida a reopera&ccedil;&atilde;o por estenose mitral apresentou hemorragia pulmonar no quarto dia de p&oacute;s-operat&oacute;rio, ap&oacute;s a alta da UTI e foi manejada, novamente na UTI, com ventila&ccedil;&atilde;o mec&acirc;nica. Outro paciente apresentou hemorragia pulmonar na sa&iacute;da da sala cir&uacute;rgica, provavelmente secund&aacute;ria a complica&ccedil;&otilde;es da canula&ccedil;&atilde;o seletiva, que cedeu no 3º dia de p&oacute;s-operat&oacute;rio. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Cinco (4,8%) pacientes foram submetidos a reopera&ccedil;&atilde;o por sangramento, todos atrav&eacute;s das m&iacute;nimas incis&otilde;es, somente com aux&iacute;lio de videoscopia. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Cinco pacientes, todos do grupo GcCEC, foram a &oacute;bito (4,8% ou 5/105). Um paciente com insufici&ecirc;ncia renal cr&ocirc;nica em di&aacute;lise, acidente vascular cerebral emb&oacute;lico recente e diagn&oacute;stico de endocardite de valva mitral, foi submetido a troca valvar com urg&ecirc;ncia, o &oacute;bito ocorreu no p&oacute;s-operat&oacute;rio imediato, por sangramento excessivo, coagulopatia de consumo e choque cardiog&ecirc;nico irrevers&iacute;vel. Um segundo paciente apresentava valvopatia mitro-a&oacute;rtica e insufici&ecirc;ncia tric&uacute;spide, recebendo dupla troca valvar e plastia tric&uacute;spide, mas foi a &oacute;bito no quinto dia de p&oacute;s-operat&oacute;rio, por choque cardiog&ecirc;nico progressivo e refrat&aacute;rio. O terceiro paciente com disfun&ccedil;&atilde;o de pr&oacute;tese pr&eacute;via foi submetido a reopera&ccedil;&atilde;o para retroca valvar mitral, apresentou sangramento excessivo, ainda no transoperat&oacute;rio, quando foi diagnosticada ruptura de sulco atrioventricular, com &oacute;bito, apesar da tentativa de corre&ccedil;&atilde;o da complica&ccedil;&atilde;o. Tr&ecirc;s pacientes portadores de estenose a&oacute;rtica grave e muito calcificadas apresentaram dissec&ccedil;&atilde;o da aorta e todos foram submetidos a troca da aorta ascendente. Dois pacientes foram a &oacute;bito, por sangramento e choque misto, um no 1º dia e o segundo no 5º dia de p&oacute;soperat&oacute;rio. Tr&ecirc;s desses casos foram convertidos para esternotomia mediana para corre&ccedil;&atilde;o da complica&ccedil;&atilde;o cir&uacute;rgica e corresponderam a 2,9% dos casos GcCEC. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Noventa e tr&ecirc;s pacientes dos 105 operados (88,6%) n&atilde;o apresentaram complica&ccedil;&otilde;es que alterassem sua evolu&ccedil;&atilde;o p&oacute;s-operat&oacute;ria e obtiveram 122,8 ±4 8,2 min de CEC e 76,7 ± 35,6 min de pin&ccedil;amento a&oacute;rtico, 97,8% (91/93) foram extubados ainda na sala de cirurgia. A m&eacute;dia de dias na unidade de terapia intensiva e o total de dias de interna&ccedil;&atilde;o hospitalar foram, respectivamente: 1,8 ± 0,9 dias e 3,6 ± 1,3 dias. Todos os dados, relacionando pacientes com e sem complica&ccedil;&otilde;es, est&atilde;o descritos na <a href="/img/revistas/rbccv/v27n1/a06tab05m.jpg">Tabela 5</a>. </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>DISCUSS&Atilde;O </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">A visibiliza&ccedil;&atilde;o endosc&oacute;pica da cavidade pleural &eacute; t&eacute;cnica relativamente antiga. No in&iacute;cio desse s&eacute;culo, Jacobaeus realizou a primeira toracoscopia, introduzindo um cistosc&oacute;pio na cavidade pleural &#91;17&#93;. Diversas opera&ccedil;&otilde;es foram idealizadas por esse autor atrav&eacute;s da toracoscopia, al&eacute;m da opera&ccedil;&atilde;o conhecida por seu nome, utilizada no tratamento da tuberculose. Os primeiros procedimentos card&iacute;acos considerados minimamente invasivos vieram com as cirurgias de revasculariza&ccedil;&atilde;o mioc&aacute;rdica sem CEC, j&aacute; que neutralizando os efeitos supostamente delet&eacute;rios da perfus&atilde;o extracorp&oacute;rea, estariam minimizando as complica&ccedil;&otilde;es per-operat&oacute;rias. Ankeny &#91;18&#93; e Kolessov &#91;19&#93; e Buffolo et al. &#91;20-22&#93;, no Brasil, apresentaram seus relatos em anais internacionais. Lobo Filho et al. &#91;23&#93;, em 1996, demonstraram 97% de revasculariza&ccedil;&atilde;o mioc&aacute;rdica sem CEC na &uacute;ltima fase de seu relato. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">O conceito minimamente invasivo por m&iacute;nimas incis&otilde;es para cirurgias no cora&ccedil;&atilde;o ocorreu tamb&eacute;m nos meados dos anos noventa. Nesse in&iacute;cio, introduziram-se as incis&otilde;es menores para acesso &agrave;s valvas mitral e a&oacute;rtica e &agrave;s art&eacute;rias coron&aacute;rias, como as hemiesternotomias superior ou inferior com transec&ccedil;&atilde;o do esterno e as toracotomias laterais &#91;24,25&#93;, ou ainda, toracotomia esquerda para revasculariza&ccedil;&atilde;o &uacute;nica de art&eacute;ria descendente anterior, e toracotomia direita, para acesso &agrave; valva mitral ou art&eacute;ria coron&aacute;ria direita. A toracotomia anterolateral direita j&aacute; tinha sido utilizada no passado com prefer&ecirc;ncia nas doen&ccedil;as mitrais, mas foi descontinuada a partir dos melhores resultados com as toracotomias medianas ou esternotomias &#91;26-28&#93;. </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">&Agrave; exce&ccedil;&atilde;o da revasculariza&ccedil;&atilde;o mioc&aacute;rdica sem CEC, a cirurgia card&iacute;aca com m&iacute;nimas incis&otilde;es, principalmente na valva a&oacute;rtica, chegou a ser considerada impeditiva, diante da alta taxa de morbimortalidade quando comparada &agrave; cirurgia convencional. Bridgewater et al. &#91;29&#93; demonstraram 43% de morbimortalidade na cirurgia minimamente invasiva contra 7% nas cirurgias convencionais para tratamento da valva a&oacute;rtica. Mesmo quando outros centros demonstravam resultados mais animadores, ainda assim n&atilde;o atraiam a aten&ccedil;&atilde;o dos cirurgi&otilde;es card&iacute;acos no mundo &#91;30&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Tamb&eacute;m nos &uacute;ltimos anos, utilizando acessos alternativos, implementou-se o implante percut&acirc;neo ou transapical de valva a&oacute;rtica e os dispositivos endovasculares, desde endopr&oacute;teses para aorta at&eacute; an&eacute;is de redu&ccedil;&atilde;o anular para valva mitral e dispositivos para oclus&atilde;o de fendas cong&ecirc;nitas atrioventriculares &#91;4-6,8&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Atualmente, a cirurgia card&iacute;aca minimamente invasiva tem demonstrado melhores resultados com o aux&iacute;lio da videoscopia, permitindo, inclusive, os maiores avan&ccedil;os da rob&oacute;tica na Medicina. Al&eacute;m dos equipamentos de v&iacute;deo direcionados para cirurgia card&iacute;aca, a cirurgia minimamente invasiva implementou-se ap&oacute;s a inclus&atilde;o dos acessos extrator&aacute;cicos e, nos &uacute;ltimos anos, do chamado "portaccess technology", ou seja, tecnologia para acesso vascular perif&eacute;rico e endopin&ccedil;amento a&oacute;rtico &#91;10,31&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Desde 1995, s&atilde;o apresentados estudos multic&ecirc;ntricos para demonstrar a efic&aacute;cia desse novo m&eacute;todo. Galloway et al. &#91;11&#93;, em 1999, reuniram dados de 121 centros, e inclu&iacute;ram 1.063 pacientes operados pelas t&eacute;cnicas minimamente invasivas, apresentando resultados similares aos da cirurgia convencional, com a vantagem da menor agress&atilde;o, dor e uso de hemoderivados, al&eacute;m da alta hospitalar e retorno &agrave;s atividades habituais muito mais precoces. Em 2009, o mesmo Dr. Galloway reportou seus dados de uma d&eacute;cada de experi&ecirc;ncia com o m&eacute;todo &#91;2&#93;. Tamb&eacute;m Grossi et al. &#91;32&#93; e Greco et al. &#91;33&#93;, em 2002, e Mishra et al. &#91;34&#93;, em 2005, relataram experi&ecirc;ncias altamente favor&aacute;veis da t&eacute;cnica videoassistida. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Al&eacute;m das experi&ecirc;ncias j&aacute; relatadas, muitos centros utilizando a sofistica&ccedil;&atilde;o tecnol&oacute;gica da rob&oacute;tica demonstraram suas experi&ecirc;ncias e, apesar do alto investimento, coroaram os m&eacute;todos minimamente invasivos pela baixa mortalidade, m&iacute;nima perman&ecirc;ncia em UTI e alta hospitalar muito precoce &#91;35,36&#93;<sub>. </sub></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">No Brasil, Jatene et al., em 1997, Souto et al., em 2000, e Salerno et al., tamb&eacute;m em 2000, relataram suas primeiras experi&ecirc;ncias com cirurgia videoassistida, mas ainda na periferia do cora&ccedil;&atilde;o. Somente a partir de 2005, com o in&iacute;cio de nossa experi&ecirc;ncia &#91;16,37,38&#93; e da experi&ecirc;ncia de Poffo et al. &#91;39&#93;, em 2006, come&ccedil;ou uma nova fase da cirurgia card&iacute;aca v&iacute;deo-assistida em nosso meio, incluindo os procedimentos intracavit&aacute;rios atrav&eacute;s de CEC perif&eacute;rica, assist&ecirc;ncia a v&aacute;cuo e minitoracotomias. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Nossa experi&ecirc;ncia com CCVA teve in&iacute;cio em 2005, com a ligadura de uma f&iacute;stula coron&aacute;rio-pulmonar por meio de toracoscopia &#91;16&#93;. Seguimos no mesmo ano com nosso primeiro caso de tratamento da valva mitral com um procedimento totalmente endosc&oacute;pico, em um caso de reopera&ccedil;&atilde;o, no qual realizamos recomissurotomia &#91;37&#93;. Hoje, apresentamos nossa casu&iacute;stica de 136 pacientes operados pela t&eacute;cnica minimamente invasiva, incluindo procedimentos sobre a valva a&oacute;rtica, mitral, cardiopatias cong&ecirc;nitas e sobre a periferia do cora&ccedil;&atilde;o, como na ressincroniza&ccedil;&atilde;o card&iacute;aca, f&iacute;stulas coron&aacute;rio-pulmonar, retirada de tumores extracard&iacute;acos e revasculariza&ccedil;&atilde;o mioc&aacute;rdica minimamente invas&iacute;va. Optamos por incluir nas discuss&otilde;es principalmente os casos que exigiram o uso de CEC, em decorr&ecirc;ncia da maior complexidade desses procedimentos e maior uniformidade dos dados aferidos. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os tempos cir&uacute;rgicos incluindo: CEC, pin&ccedil;amento a&oacute;rtico e uso da sala cir&uacute;rgica s&atilde;o maiores na cirurgia videoassistida do que com a esternotomia convencional, mesmo assim, os resultados t&ecirc;m sido mais favor&aacute;veis &agrave; t&eacute;cnica minimamente invasiva. Essa assertiva &eacute; bem demonstrada quando analisamos os grandes trabalhos publicados sobre o tema. Modi et al. &#91;40&#93;, em 2009, apresentaram influ&ecirc;ncia da CEC na morbidade, somente nos casos em que o tempo de bypass cardiopulmonar foi superior a 180 minutos. Modi et al. &#91;3&#93;, por meio de grande meta-an&aacute;lise demonstraram que, apesar dos maiores tempos operat&oacute;rios, houve melhora dos resultados p&oacute;s-operat&oacute;rios quando comparada a t&eacute;cnica minimamente invasiva &agrave; convencional. Apesar desse fato, e com o decorrer da experi&ecirc;ncia cl&iacute;nica, esses tempos se tornam menores, como tamb&eacute;m pudemos demonstrar em nossa s&eacute;rie (<a href="#fig5">Figura 5</a>). </font></p>     <p><a name="fig5"></a></p>     <p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p align="center"><img src="/img/revistas/rbccv/v27n1/a06fig05.jpg"></p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Nossa casu&iacute;stica demonstrou 2,4 ± 4,5 dias de internamento em UTI e 5,0 ± 6,8 dias de hospitaliza&ccedil;&atilde;o. No grupo de cardiopatia cong&ecirc;nita, esses tempos foram ainda menores, com 1,3 ± 0,5 dias em UTI e 2,6 ± 0,8 dias de internamento p&oacute;s-operat&oacute;rio, n&uacute;meros que demonstram o resultado esperado para essa t&eacute;cnica. Argenziano et al. &#91;41&#93; relataram 20 horas de UTI e 4 dias de hospitaliza&ccedil;&atilde;o, Modi et al. &#91;40&#93;, 6 dias de internamento hospitalar, e Poffo et al. &#91;39&#93;, 6,5 dias de hospitaliza&ccedil;&atilde;o. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Dos 47 pacientes com valvopatia mitral, 39 (83,0%) foram submetidos a reparo da valva, esse fato tem sido suportado por v&aacute;rios autores, sugerindo que a plastia mitral &eacute; mais frequentemente conseguida quando se utiliza a cirurgia card&iacute;aca minimamente invasiva em compara&ccedil;&atilde;o &agrave; esternotomia mediana. Modi et al. &#91;40&#93; demonstraram 82% de plastia valvar em sua s&eacute;rie e tamb&eacute;m referiram em seus relatos estes melhores resultados na experi&ecirc;ncia de outros autores. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Tamb&eacute;m no grupo das doen&ccedil;as mitrais, em 32 (68,1%) casos optamos pela utiliza&ccedil;&atilde;o do acesso transseptal, para tratar a valva mitral e os resultados foram melhores quando comparamos aos do acesso transatrial. Melhores tempos cir&uacute;rgicos, drenagem venosa n&atilde;o comprometida e o reparo do septo por pontos de tra&ccedil;&atilde;o sem a necessidade de afastadores de &aacute;trio foram observados e relatados em resumo de trabalho apresentado por nossa equipe em congresso recente &#91;42&#93;. Em cirurgias com esternotomia, esse acesso tamb&eacute;m tem sido comentado, oferecendo os mesmos benef&iacute;cios que observamos &#91;43&#93;. Navia et al. &#91;30&#93;, em seu relato com cirurgia minimamente invasiva, em 1996, j&aacute; haviam demonstrado o uso do acesso transseptal em seus procedimentos para tratamento da valva mitral. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Em rela&ccedil;&atilde;o a complica&ccedil;&otilde;es ocorridas em nossa s&eacute;rie, observamos relatos semelhantes na literatura, principalmente nos casos que envolviam reopera&ccedil;&atilde;o, troca valvar mitral e cirurgia sobre valva a&oacute;rtica. Doze pacientes apresentaram intercorr&ecirc;ncias no p&oacute;s-operat&oacute;rio, dentre eles, tr&ecirc;s casos de acidente vascular cerebral (3/105 ou 2,9%), todos pacientes com grave calcifica&ccedil;&atilde;o em valva a&oacute;rtica, somente um evoluiu com sequelas. Tamb&eacute;m Modi et al. &#91;40&#93; referiram 2,6% de acidente vascular cerebral, em 12 anos de uso do m&eacute;todo. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Nossa casu&iacute;stica reportou 4,8% de &oacute;bitos (5/105) no total de casos que utilizaram CEC, e ocorreram somente nos casos de tratamento da valva mitral (3/47 ou 6,4%) e a&oacute;rtica (2/39 ou 5,1%). Nos pacientes com cardiopatia cong&ecirc;nita, as complica&ccedil;&otilde;es foram m&iacute;nimas e n&atilde;o houve &oacute;bito. Em rela&ccedil;&atilde;o &agrave; mortalidade, o registro da "Society of Thoracic Surgeons Fall 2007 report" reportou at&eacute; 6,1% de mortalidade nos casos de troca da valva mitral &#91;44&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Uma complica&ccedil;&atilde;o do endopin&ccedil;amento a&oacute;rtico muito referida na literatura &#91;40,45,46&#93; tamb&eacute;m ocorreu em nossa s&eacute;rie. Uma dissec&ccedil;&atilde;o de sulco atrioventricular e ruptura de ventr&iacute;culo esquerdo foram observadas em uma paciente com cirurgia mitral pr&eacute;via em que utilizamos o m&eacute;todo. Apesar de relatos semelhantes de ocorr&ecirc;ncia tamb&eacute;m com esternotomia e pin&ccedil;amento a&oacute;rtico, optamos, como muitos, a n&atilde;o mais usar essa t&eacute;cnica. Uma op&ccedil;&atilde;o nos casos de reopera&ccedil;&atilde;o, como usada por nossa equipe, &eacute; a parada card&iacute;aca em fibrila&ccedil;&atilde;o ventricular hipot&eacute;rmica, realizada em tr&ecirc;s pacientes. Na revista Circulation, em 2007, Casselman et al. &#91;47&#93; relataram o uso da cirurgia minimamente invasiva em reopera&ccedil;&atilde;o de valva mitral com parada card&iacute;aca em fibrila&ccedil;&atilde;o ventricular, e consideraram a t&eacute;cnica como primeira op&ccedil;&atilde;o em casos de reopera&ccedil;&atilde;o mitral isolada. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Noventa e tr&ecirc;s pacientes n&atilde;o apresentaram intercorr&ecirc;ncias, 88,6% de nossa s&eacute;rie, e tiveram tempos de interna&ccedil;&atilde;o p&oacute;s-operat&oacute;ria bem como evolu&ccedil;&atilde;o cir&uacute;rgica excelentes. Noventa e um (97,8%) pacientes foram extubados na sala de cirurgia, permaneceram 1,8 ± 0,9 dias na UTI e receberam alta hospitalar com m&eacute;dia de 3,6 ± 1,3 dias de p&oacute;s-operat&oacute;rio. Os relatos semelhantes ao encontrado nesta s&eacute;rie foram tamb&eacute;m referidos por Tatooles et al. &#91;35&#93; Reichenspurner et al. &#91;36&#93;, quando utilizaram a rob&oacute;tica em suas cirurgias. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Utilizamos uma minitoracotomia intercostal direita na maioria de nossos casos. Em nove (23,1%) pacientes com doen&ccedil;a a&oacute;rtica, o acesso foi realizado com hemiesternotomia em L invertido. Optamos por esse acesso nos casos em que a aorta ascendente era muito dilatada ou a valva a&oacute;rtica era muito calcificada, j&aacute; que com esta t&eacute;cnica a vis&atilde;o direta facilita o pin&ccedil;amento a&oacute;rtico e o manuseio da valva comprometida. Outros acessos, como hemiesternotomia em "T invertido" ou "L para a esquerda", tamb&eacute;m t&ecirc;m sido sugeridos por alguns autores, mas est&atilde;o associados a maior trauma, menor benef&iacute;cio est&eacute;tico e/ou anti-&aacute;lgico &#91;48-50&#93;. Na maioria dos nossos pacientes a&oacute;rticos, utilizamos o acesso via toracotomia anterolateral direita de 4 cm, no terceiro espa&ccedil;o intercostal. </font></p>     ]]></body>
<body><![CDATA[<p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os defeitos septais tamb&eacute;m se incluem nas doen&ccedil;as de f&aacute;cil acesso para os procedimentos m&iacute;nimos. A inclus&atilde;o da segunda c&acirc;nula (jugular) &eacute; mandat&oacute;ria, devido &agrave; necessidade de isolamento do &aacute;trio direito. As veias cavas s&atilde;o cadar&ccedil;adas e ou pin&ccedil;adas via m&iacute;nima incis&atilde;o. As demais atitudes cir&uacute;rgicas s&atilde;o as mesmas dos procedimentos em valva mitral. Nossa casu&iacute;stica envolveu 19 pacientes com cardiopatias cong&ecirc;nitas, incluindo tr&ecirc;s casos de comunica&ccedil;&atilde;o interventricular, com resultado cir&uacute;rgico excelente. Dezoito pacientes tiveram extuba&ccedil;&atilde;o imediata na sala cir&uacute;rgica e permaneceram em m&eacute;dia 1,3 ± 0,5 dias em UTI e 2,6 ± 0,8 dias no hospital. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os tr&ecirc;s casos de fistula coron&aacute;ria foram inclu&iacute;dos no presente trabalho com o intuito de demonstrar a possibilidade de se utilizar a videocirurgia em situa&ccedil;&otilde;es eventuais, estimulando os cirurgi&otilde;es na busca de acessos alternativos &agrave;s incis&otilde;es convencionais. Uma pesquisa feita na literatura atual n&atilde;o relatou outras experi&ecirc;ncias com essa t&eacute;cnica &#91;16,38&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Al&eacute;m dos procedimentos a&oacute;rticos e atrioventriculares, utilizamos a videocirurgia em 18 casos de ressincroniza&ccedil;&atilde;o biventricular com implante de eletrodo epic&aacute;rdico totalmente endosc&oacute;pico. O implante de eletrodo epic&aacute;rdico, via toracoscopia esquerda, para ressincroniza&ccedil;&atilde;o card&iacute;aca, est&aacute; bem documentado na literatura &#91;51&#93;. Sua implementa&ccedil;&atilde;o foi estimulada devido ao grau vari&aacute;vel de insucesso no implante via seio coron&aacute;rio. A nova t&eacute;cnica &eacute; simples e realizada de forma totalmente endosc&oacute;pica, os acessos n&atilde;o se utilizam de toracotomia, como no m&eacute;todo convencional, mas de tr&ecirc;s pequenas incis&otilde;es para introdu&ccedil;&atilde;o do instrumental e fixa&ccedil;&atilde;o do eletrodo epic&aacute;rdico ativo. A ecocardiografia tridimensional orientou esses procedimentos &#91;15&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Revasculariza&ccedil;&atilde;o mioc&aacute;rdica com m&iacute;nimas incis&otilde;es tamb&eacute;m foi relatada em nossa s&eacute;rie e cursou com bom resultado cir&uacute;rgico e aus&ecirc;ncia de complica&ccedil;&otilde;es. Utilizamos a videotoracocopia para dissec&ccedil;&atilde;o da art&eacute;ria tor&aacute;cica interna esquerda e minitoracotomia anterior esquerda para implante coron&aacute;rio. V&aacute;rios autores j&aacute; utilizaram essa t&eacute;cnica inclusive no Brasil &#91;28,52&#93;, mas os maiores avan&ccedil;os na revasculariza&ccedil;&atilde;o mioc&aacute;rdica minimamente invasiva t&ecirc;m sido demonstrados na atualidade. Os procedimentos cir&uacute;rgicos utilizando a rob&oacute;tica t&ecirc;m permitido a revasculariza&ccedil;&atilde;o coron&aacute;ria multiarterial, de forma totalmente endosc&oacute;pica &#91;53,54&#93;. </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Hoje, cada vez mais, utiliza-se no mundo a cirurgia minimamente invasiva para tratamento das doen&ccedil;as card&iacute;acas, mas sua expans&atilde;o e definitiva consagra&ccedil;&atilde;o depender&aacute; da maior habilidade dos cirurgi&otilde;es e equipe multidisciplinar &#91;2,3,40&#93;. O futuro &eacute; ainda mais promissor, pois, como j&aacute; acontece em alguns centros, as m&iacute;nimas incis&otilde;es ser&atilde;o substitu&iacute;das pelos procedimentos totalmente endosc&oacute;picos &#91;53,54&#93;. </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>CONCLUS&Atilde;O </b></font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Os resultados encontrados nesta s&eacute;rie s&atilde;o compar&aacute;veis aos da literatura mundial e confirmam o m&eacute;todo como op&ccedil;&atilde;o a t&eacute;cnica convencional. A busca de melhor resultado est&eacute;tico, redu&ccedil;&atilde;o do desconforto p&oacute;s-operat&oacute;rio observados nas grandes toracotomias e a r&aacute;pida recupera&ccedil;&atilde;o p&oacute;s-operat&oacute;ria s&atilde;o os maiores objetivos da t&eacute;cnica, obviamente aliados &agrave;s baixas complica&ccedil;&otilde;es j&aacute; conquistadas com a cirurgia convencional. </font></p>     <p>&nbsp;</p>     <p><font size="3" face="Verdana, Arial, Helvetica, sans-serif"><b>REFER&Ecirc;NCIAS </b></font></p>     ]]></body>
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<body><![CDATA[<p><a name="end"></a><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><a href="#enda"><img src="/img/revistas/rbccv/v27n1/seta.jpg" border="0"></a><b>  Endere&ccedil;o para correspond&ecirc;ncia: </b>    <br>   Jeronimo Fortunato J&uacute;nior     <br>   Rua Amaury Gabriel Grassi Matei, 50 - Santo In&aacute;cio     <br>   Curitiba, PR, Brasil - CEP 82010-960    <br>   E-mail: <a href="mailto:jfjunior@uol.com.br">jfjunior@uol.com.br</a> </font></p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Artigo recebido em 19 de outubro de 2011     <br>   Artigo aprovado em 9 de janeiro de 2012</font></p>     <p>&nbsp;</p>     <p>&nbsp;</p>     <p><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Trabalho realizado no Hospital da Cruz Vermelha Brasileira Filial do Paran&aacute; e Universidade Positivo, Curitiba, PR, Brasil. </font></p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>&nbsp;</p>     <p align="center"><img src="/img/revistas/rbccv/v27n1/a06abr01.jpg"></p>      ]]></body><back>
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