<?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>1646-5830</journal-id>
<journal-title><![CDATA[Acta Obstétrica e Ginecológica Portuguesa]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Obstet Ginecol Port]]></abbrev-journal-title>
<issn>1646-5830</issn>
<publisher>
<publisher-name><![CDATA[Euromédice, Edições Médicas Lda.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-58302015000400002</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Impacto do índice de massa corporal na histerectomia totalmente laparoscópica]]></article-title>
<article-title xml:lang="en"><![CDATA[Total laparoscopic hysterectomy: impact of body mass index on outcomes]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osório]]></surname>
<given-names><![CDATA[Filipa]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
<xref ref-type="aff" rid="A02"/>
<xref ref-type="aff" rid="A03"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nogueira-Silva]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="A04"/>
<xref ref-type="aff" rid="A05"/>
<xref ref-type="aff" rid="A06"/>
<xref ref-type="aff" rid="A07"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barata]]></surname>
<given-names><![CDATA[Sónia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alho]]></surname>
<given-names><![CDATA[Conceição]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Calhaz-Jorge]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
<xref ref-type="aff" rid="A03"/>
<xref ref-type="aff" rid="A08"/>
<xref ref-type="aff" rid="A09"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Centro Hospitalar Lisboa Norte Hospital Universitário de Santa Maria Departamento de Obstetrícia e Ginecologia]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade de Lisboa Faculdade de Medicina ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
</aff>
<aff id="A03">
<institution><![CDATA[,Centro Académico de Medicina de Lisboa  ]]></institution>
<addr-line><![CDATA[Lisboa ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="A04">
<institution><![CDATA[,Hospital de Braga Serviço de Ginecologia e Obstetrícia ]]></institution>
<addr-line><![CDATA[Braga ]]></addr-line>
</aff>
<aff id="A05">
<institution><![CDATA[,Universidade do Minho Escola de Ciências da Saúde ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A06">
<institution><![CDATA[,Universidade do Minho ICVS ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A07">
<institution><![CDATA[,ICVS/3B's - Laboratório Associado  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A08">
<institution><![CDATA[,Centro Hospitalar Lisboa Norte Hospital Universitário de Santa Maria Serviço de Ginecologia]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A09">
<institution><![CDATA[,Centro Hospitalar Lisboa Norte Hospital Universitário de Santa Maria Departamento de Obstetrícia e Ginecologia]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2015</year>
</pub-date>
<volume>9</volume>
<numero>5</numero>
<fpage>356</fpage>
<lpage>365</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-58302015000400002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-58302015000400002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-58302015000400002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Overview and aims: Hysterectomy is one of the most common gynecological surgical procedures and several studies have demonstrated the multiple advantages of laparoscopic approach in general. Obesity was initially considered to be a contraindication for laparoscopy. However, this historical perspective has been disputed. The aim of this study was to assess the effect of the body mass index (BMI) on intra-operative parameters and intra and post-operative complication rates of total laparoscopic hysterectomy (TLH). Study design: A retrospective, observational, descriptive and analytic study. Population : All TLH performed in our department, by the same surgical team, between April 2009 and March 2014, were evaluated. Methods : Medical records were reviewed for patient characteristics (BMI, age, medical and surgical history), surgical characteristics (surgical indication and concomitant procedure, uterine weight, operating time, post-operative hemoglobin variation, length of hospital stay), and intra and post-operative complications. The data were analyzed according to patients' BMI. Results: The study population was divided in normal BMI (n=145), overweight (n=119) and obese (n=54). Obese patients were older, more frequently postmenopausal and with more medical pathology than normal BMI patients. More than 50% of the patients had history of at least one previous abdominopelvic surgery with no differences among the groups. No significant differences were found in terms of uterine weight (217.7 ± 154.8 vs. 257.5 ± 176.1 vs. 225.4 ± 151.0 g; p> 0.05), post-operative hospital stay (1.6 ± 0.9 vs. 1.5 ± 1.0 vs. 1.5 ± 0.9 days; p> 0.05), operating time (72.2 ± 25.3 vs.77.5 ± 25.8 vs. 83.6 ± 35.3 minutes; p> 0.05) or complication rates (12.4% vs. 14.3% vs. 13.0%). Conclusions: This study demonstrates that, in qualified hands, obesity did not increase the operating time and the intra or post-operative complication rates associated with TLH. Thus, high BMI should not be considered a contraindication for this procedure.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Body mass index]]></kwd>
<kwd lng="en"><![CDATA[Complications]]></kwd>
<kwd lng="en"><![CDATA[Hysterectomy]]></kwd>
<kwd lng="en"><![CDATA[Laparoscopy]]></kwd>
<kwd lng="en"><![CDATA[Obesity]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font size="2"><b>ESTUDO ORIGINAL</b>/ORIGINAL STUDY</font></p>     <p><font size="4"><b>Impacto do &#237;ndice de massa corporal na histerectomia totalmente laparosc&#243;pica</b></font></p>     <p><font size="3"><b>Total laparoscopic hysterectomy: impact of body mass index on outcomes</b></font></p>     <p><b> Filipa Os&#243;rio*, Cristina Nogueira-Silva**, S&#243;nia Barata***, Concei&#231;&#227;o Alho****, Carlos Calhaz-Jorge***** </b></p>     <p>Departamento de Obstetr&#237;cia e Ginecologia do Centro Hospitalar Lisboa Norte - Hospital Universit&#225;rio de Santa Maria</p>     <p>*M.D.; Assistente Hospitalar do Departamento de Obstetr&#237;cia e Ginecologia do CHLN - Hospital Universit&#225;rio de Santa Maria; Assistente Convidada da Faculdade de Medicina da Universidade de Lisboa, CAM - Centro Acad&#233;mico de Medicina de Lisboa, Lisboa, Portugal</p>     <p>**M.D., Ph.D; Assistente Hospitalar do Servi&#231;o de Ginecologia e Obstetr&#237;cia do Hospital de Braga; Professora Auxiliar da Escola de Ci&#234;ncias da Sa&#250;de da Universidade do Minho; Investigadora do ICVS da Universidade do Minho e do ICVS/3B&#8217;s - Laborat&#243;rio Associado</p>     <p>***M.D.; Assistente Hospitalar do Departamento de Obstetr&#237;cia e Ginecologia do CHLN - Hospital Universit&#225;rio de Santa Maria</p>     <p>****M.D.; Assistente Graduada do Departamento de Obstetr&#237;cia e Ginecologia do CHLN - Hospital Universit&#225;rio de Santa Maria</p>     <p>*****M.D., Ph.D; Coordenador do Servi&#231;o de Ginecologia e Respons&#225;vel da Unidade de Medicina da Reprodu&#231;&#227;o do Departamento de Obstetr&#237;cia e Ginecologia do CHLN - Hospital Universit&#225;rio de Santa Maria; Professor Associado da Faculdade de Medicina da Universidade de Lisboa, CAM - Centro Acad&#233;mico de Medicina de Lisboa, Lisboa, Portugal</p>     ]]></body>
<body><![CDATA[<p><a href="#c0">Endere&ccedil;o para correspond&ecirc;ncia</a> | <a href="#c0">Direcci&oacute;n para correspondencia</a> | <a href="#c0">Correspondence</a><a name="topc0"></a></p> <hr/>     <p>&nbsp;</p>     <p><b>ABSTRACT</b></p>     <p><b>Overview and aims:</b> Hysterectomy is one of the most common gynecological surgical procedures and several studies have demonstrated the multiple advantages of laparoscopic approach in general. Obesity was initially considered to be a contraindication for laparoscopy. However, this historical perspective has been disputed. The aim of this study was to assess the effect of the body mass index (BMI) on intra-operative parameters and intra and post-operative complication rates of total laparoscopic hysterectomy (TLH).</p>     <p><b>Study design:</b> A retrospective, observational, descriptive and analytic study.</p>     <p><b>Population</b> : All TLH performed in our department, by the same surgical team, between April 2009 and March 2014, were evaluated.</p>     <p><b>Methods</b> : Medical records were reviewed for patient characteristics (BMI, age, medical and surgical history), surgical characteristics (surgical indication and concomitant procedure, uterine weight, operating time, post-operative hemoglobin variation, length of hospital stay), and intra and post-operative complications. The data were analyzed according to patients&#8217; BMI.</p>     <p><b>Results:</b> The study population was divided in normal BMI (n=145), overweight (n=119) and obese (n=54). Obese patients were older, more frequently postmenopausal and with more medical pathology than normal BMI patients. More than 50% of the patients had history of at least one previous abdominopelvic surgery with no differences among the groups. No significant differences were found in terms of uterine weight (217.7 &#177; 154.8 <i>vs.</i> 257.5 &#177; 176.1 <i>vs.</i> 225.4 &#177; 151.0 g; p&gt; 0.05), post-operative hospital stay (1.6 &#177; 0.9 <i>vs.</i> 1.5 &#177; 1.0 <i>vs.</i> 1.5 &#177; 0.9 days; p&gt; 0.05), operating time (72.2 &#177; 25.3 <i>vs.</i>77.5 &#177; 25.8 <i>vs.</i> 83.6 &#177; 35.3 minutes; p&gt; 0.05) or complication rates (12.4% <i>vs. </i>14.3% <i>vs. </i>13.0%).</p>     <p><b>Conclusions:</b> This study demonstrates that, in qualified hands, obesity did not increase the operating time and the intra or post-operative complication rates associated with TLH. Thus, high BMI should not be considered a contraindication for this procedure.</p>     <p><b>Keywords: </b> Body mass index; Complications; Hysterectomy; Laparoscopy; Obesity.</p> <hr/>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p> <b>Introdu&#231;&#227;o</b></p>     <p>A histerectomia &#233; a cirurgia ginecol&#243;gica <i>major</i> mais frequentemente realizada nos pa&#237;ses desenvolvidos<sup>1</sup>. Nos Estados Unidos estima-se que se realizem anualmente cerca de 600.000 destas interven&#231;&#245;es cir&#250;rgicas<sup>,2</sup>. Desde a descri&#231;&#227;o por Reich e col da primeira histerectomia laparosc&#243;pica, que se consideram tr&#234;s abordagens principais para a histerectomia: a via vaginal, a via abdominal e a via laparosc&#243;pica<sup>3</sup>. Ap&#243;s uma fase inicial em que foi defendido que a histerectomia laparosc&#243;pica se associava a elevada taxa de complica&#231;&#245;es, nomeadamente les&#245;es do trato urin&#225;rio, &#233; hoje amplamente reconhecido que a histerectomia laparosc&#243;pica &#233; segura, com baixa taxa de complica&#231;&#245;es e se associa a m&#250;ltiplas vantagens, nomeadamente menos dor p&#243;s-operat&#243;ria, menor tempo de internamento, regresso mais precoce &#224; atividade profissional e melhores resultados est&#233;ticos<sup>4-7</sup>.</p>     <p>A preval&#234;ncia crescente de obesidade &#233; um importante problema de sa&#250;de p&#250;blica. De acordo com a Organiza&#231;&#227;o Mundial de Sa&#250;de (OMS), 1,5 mil milh&#245;es de pessoas em todo o mundo ser&#227;o obesas ou ter&#227;o excesso de peso em 2015<sup>8</sup>. Em Portugal, de acordo com o 4&#186; Inqu&#233;rito Nacional de Sa&#250;de (referente a dados de 2005 e 2006), 51% da popula&#231;&#227;o com mais de 18 anos tinha excesso de peso ou obesidade, e 16% das mulheres eram obesas<sup>9</sup>. A obesidade e as suas comorbilidades s&#227;o conhecidos fatores de risco na taxa de complica&#231;&#245;es cir&#250;rgicas<sup>10</sup>.</p>     <p>No in&#237;cio da era da laparoscopia, a obesidade foi considerada uma contraindica&#231;&#227;o relativa para procedimentos laparosc&#243;picos <sup>11,12</sup>. Contudo, nos &#250;ltimos 20 anos as indica&#231;&#245;es para a abordagem laparosc&#243;pica dos pacientes obesos t&#234;m-se alterado significativamente, dado que a abordagem laparosc&#243;pica, respeitando princ&#237;pios cir&#250;rgicos minimamente invasivos, permite diminuir o risco de infe&#231;&#227;o, trauma cir&#250;rgico e eventos tromboemb&#243;licos<sup>10,11,13</sup>. Foram j&#225; demonstradas vantagens, sem aumento da taxa de complica&#231;&#245;es, da abordagem laparosc&#243;pica em pacientes obesos submetidos a apendicectomia, colecistectomia, colectomia esquerda e cirurgia bari&#225;trica<sup>11,14,15</sup>. S&#227;o, por isso, v&#225;rios os autores que defendem que a laparoscopia &#233; segura, eficaz e a abordagem de escolha para pacientes obesos saud&#225;veis<sup>10</sup>.</p>     <p>Relativamente &#224; histerectomia, &#233; amplamente reconhecida a obesidade como fator de risco para v&#225;rias doen&#231;as que podem impor a indica&#231;&#227;o para realiza&#231;&#227;o de uma histerectomia<sup>16,17</sup>. Contudo, no que diz respeito &#224; rela&#231;&#227;o entre a realiza&#231;&#227;o de histerectomia totalmente laparosc&#243;pica (HTL), obesidade e complica&#231;&#245;es, os resultados s&#227;o ainda controversos <sup>17</sup>. Enquanto alguns estudos apontam para um aumento da morbilidade cir&#250;rgica<sup>16,18,19</sup>, outros t&#234;m demonstrado que a HTL &#233; segura em mulheres obesas<sup>11,12,20-23</sup>.</p>     <p>O objetivo deste trabalho foi avaliar o efeito do &#237;ndice de massa corporal (IMC) nos indicadores cl&#237;nicos e na taxa de complica&#231;&#245;es das HTL realizadas no nosso departamento, pela mesma equipa cir&#250;rgica.</p>     <p><b>M&#233;todos</b></p>     <p>Trata-se de um estudo observacional, descritivo e anal&#237;tico, com an&#225;lise retrospetiva dos processos cl&#237;nicos de todas as doentes submetidas a HTL, pela mesma equipa cir&#250;rgica (em mais de 90% das interven&#231;&#245;es pelo mesmo cirurgi&#227;o - FO) e de acordo com a mesma t&#233;cnica, entre 1 de abril de 2009 e 31 de mar&#231;o de 2014. A t&#233;cnica cir&#250;rgica realizada foi previamente descrita<sup>4</sup>. As pacientes foram agrupadas, de acordo com os crit&#233;rios da OMS para o IMC, em normal (18,5 - 24,9 Kg/m<sup>2</sup>), excesso de peso (25 - 29,9 Kg/m<sup>2</sup>) e obesidade (&#8805; 30 Kg/m<sup>2</sup>)<sup>24</sup>.</p>     <p>Para caracteriza&#231;&#227;o da popula&#231;&#227;o foram considerados os seguintes par&#226;metros: idade; idade da menarca e da menopausa; paridade; antecedentes m&#233;dicos e cir&#250;rgicos. Relativamente ao procedimento cir&#250;rgico realizado foram avaliados: indica&#231;&#227;o cir&#250;rgica e procedimentos concomitantes; tipo de energia utilizada; necessidade de utiliza&#231;&#227;o de trocar epig&#225;strico; necessidade de morcela&#231;&#227;o da pe&#231;a; peso da pe&#231;a cir&#250;rgica; tempo operat&#243;rio (considerado desde o in&#237;cio da laquea&#231;&#227;o do ligamento redondo esquerdo at&#233; &#224; conclus&#227;o do encerramento da c&#250;pula vaginal); varia&#231;&#227;o da hemoglobina e hemat&#243;crito entre pr&#233; e p&#243;s-operat&#243;rio; dura&#231;&#227;o do internamento ap&#243;s a cirurgia; complica&#231;&#245;es <i>major</i> e <i>minor</i> intra-operat&#243;rias e p&#243;s-operat&#243;rias (ocorridas at&#233; 12 meses ap&#243;s a cirurgia), utilizando crit&#233;rios de s&#233;ries publicadas anteriormente (<a href="#q1">Quadro I</a>)<sup>4-6</sup>. Para avalia&#231;&#227;o das complica&#231;&#245;es as pacientes foram observadas em consulta 1 m&#234;s, 6 e 12 meses ap&#243;s a interven&#231;&#227;o (exceto as cirurgias realizadas posteriormente a 31 de maio de 2013, cujo seguimento n&#227;o tinha ainda conclu&#237;do os 12 meses aquando da conclus&#227;o da colheita dos dados), com registo das complica&#231;&#245;es ocorridas. Verificou-se uma taxa de falta &#224; consulta de 0,3% (n=1) no primeiro m&#234;s, 6,0% (n=19) aos 6 meses e 16,0% (n=51) aos 12 meses.</p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p align="center"><a name="q1"></a><img src="/img/revistas/aogp/v9n5/9n5a02q1.jpg"/></p>     
<p>&nbsp;</p>     <p><b>An&#225;lise estat&#237;stica</b></p>     <p>Os dados foram introduzidos numa base de dados constru&#237;da em <i>FileMaker Pro 12 Advanced<sup>&#174;</sup>.</i> Na an&#225;lise estat&#237;stica foi utilizado o programa <i>Statistical Package for Social Sciences</i> (SPSS<sup>&#174;</sup>, vers&#227;o 22.0). Procedeu-se a uma an&#225;lise descritiva, com recurso &#224; distribui&#231;&#227;o de frequ&#234;ncia, &#224;s medidas de tend&#234;ncia central e &#224;s medidas de dispers&#227;o, tendo em conta as vari&#225;veis em estudo. Os resultados referentes a vari&#225;veis quantitativas s&#227;o apresentados como m&#233;dia &#177; desvio-padr&#227;&#771;o.</p>     <p>Recorreu-se ao teste <i>Kolmogorov-Smirnov</i> para an&#225;lise da normalidade. Para vari&#225;veis cont&#237;nuas utilizaram-se os testes ANOVA direcional e de <i>Krustal-Wallis;</i> o teste de <i>Dunn </i>foi utilizado para compara&#231;&#245;es m&#250;ltiplas emparelhadas. Relativamente &#224;s vari&#225;veis categ&#243;ricas aplicaram-se os testes qui-quadrado e exato de Fisher. Admitiu-se signific&#226;ncia estat&#237;stica para valores de p&lt; 0,05.</p>     <p><b>R</b><b>esultados</b></p>     <p>Durante 5 anos foram submetidas a HTL 325 pacientes. Destas, 6 foram exclu&#237;das devido a falta de informa&#231;&#227;o necess&#225;ria para o c&#225;lculo do IMC e uma foi exclu&#237;da por apresentar IMC compat&#237;vel com baixo peso (17,6 Kg/m<sup>2</sup>, n&#227;o fazendo assim parte dos grupos em estudo). Das 318 doentes estudadas, 145 (45,6%) tinham IMC normal, 119 (37,4%) excesso de peso e 54 (17%) eram obesas, 13 das quais com obesidade grau II (IMC 35 - 39,9 Kg/m<sup>2</sup>) e 3 com obesidade m&#243;rbida (&#8805; 40 Kg/m<sup>2</sup>) (<a href="#f1">Figura 1</a>).</p>     <p>&nbsp;</p>     <p align="center"><a name="f1"></a><img src="/img/revistas/aogp/v9n5/9n5a02f1.jpg"/></p>     
]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p>As caracter&#237;sticas das doentes e os antecedentes ginecol&#243;gicos e obst&#233;tricos, m&#233;dicos e cir&#250;rgicos de relevo s&#227;o apresentados no <a href="#q2">Quadro II</a>. Como se pode observar, as mulheres com IMC normal eram significativamente mais novas que as mulheres com excesso de peso e obesas. Verificou-se uma diferen&#231;a estatisticamente significativa entre os grupos relativamente &#224; paridade e ao <i>status</i> p&#243;s-menopausa, sendo as mulheres com excesso de peso e obesas mais frequentemente mult&#237;paras do que as mulheres com IMC normal. Quanto ao <i>status </i>p&#243;s-menopausa, 38,9% das mulheres do grupo com obesidade encontravam-se na p&#243;s-menopausa comparativamente com 26,9% do grupo com excesso de peso e 11,7% do grupo com IMC normal.</p>     <p>&nbsp;</p>     <p align="center"><a name="q2"></a><img src="/img/revistas/aogp/v9n5/9n5a02q2.jpg"/></p>     
<p>&nbsp;</p>     <p> A frequ&#234;ncia de comorbilidades m&#233;dicas foi elevada e aumentou significativamente de acordo com o IMC. De facto, 87% das paciente obesas, 67,2% das pacientes com excesso de peso e 48,3% das pacientes com IMC normal apresentavam patologia do foro m&#233;dico associada. Independentemente do IMC, a patologia mais comum foi do foro cardiovascular.</p>     <p>Os antecedentes cir&#250;rgicos abdomino-p&#233;lvicos, apresentados por cerca de 50% de todas as doentes, distribu&#237;ram-se de modo semelhante pelos tr&#234;s grupos.</p>     <p>A exist&#234;ncia de &#250;tero miomatoso associado a sintomatologia, nomeadamente hemorragia uterina anormal refrat&#225;ria ao tratamento m&#233;dico e sensa&#231;&#227;o de peso p&#233;lvico/dor p&#233;lvica, foi a principal indica&#231;&#227;o operat&#243;ria em todos os grupos (IMC normal 51%, IMC excesso de peso 59,7%, IMC obesidade 51,9%). Contudo, verificou-se uma diferen&#231;a estatisticamente significativa no que diz respeito &#224; segunda indica&#231;&#227;o cir&#250;rgica mais comum, que foi endometriose no grupo IMC normal, enquanto que nos grupos com excesso de peso e com obesidade foi patologia endometrial benigna (<a href="#q3">Quadro III</a>).</p>     <p>&nbsp;</p>     <p align="center"><a name="q3"></a><img src="/img/revistas/aogp/v9n5/9n5a02q3.jpg"/></p>     
]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p> Independentemente do IMC, o principal procedimento concomitante realizado foi abla&#231;&#227;o anexial unilateral ou bilateral, sendo esta significativamente mais comum no grupo com obesidade (IMC normal 49,0%, excesso de peso 63,0%, obesidade 81,5%; p= 0,002; <a href="#q3">Quadro III</a>).</p>     <p>No que respeita aos procedimentos cir&#250;rgicos, n&#227;o se verificaram diferen&#231;as entre os grupos no que diz respeito ao sistema de energia utilizado, necessidade de coloca&#231;&#227;o de trocar epig&#225;strico e/ou de morcela&#231;&#227;o da pe&#231;a operat&#243;ria, de acordo com as dimens&#245;es uterinas (<a href="#q4">Quadro IV</a>). Assim, independentemente do IMC, a energia bipolar para as laquea&#231;&#245;es, coagula&#231;&#227;o e disse&#231;&#227;o e a energia monopolar para a colpotomia circular foram utilizadas em mais de 90% das interven&#231;&#245;es. Nas situa&#231;&#245;es em que, dadas as dimens&#245;es uterinas, foi necess&#225;ria morcela&#231;&#227;o da pe&#231;a operat&#243;ria, esta foi maioritariamente realizada por via vaginal. Os grupos apresentaram tamb&#233;m resultados similares no que diz respeito ao peso m&#233;dio da pe&#231;a operat&#243;ria.</p>     <p>&nbsp;</p>     <p align="center"><a name="q4"></a><img src="/img/revistas/aogp/v9n5/9n5a02q4.jpg"/></p>     
<p>&nbsp;</p>     <p> Em rela&#231;&#227;o aos par&#226;metros cl&#237;nicos da cirurgia, embora se verifique uma tend&#234;ncia para aumento do tempo operat&#243;rio m&#233;dio nos grupos com excesso de peso e com obesidade, esta diferen&#231;a n&#227;o foi estatisticamente significativa (<a href="#q4">Quadro IV</a>). Nos 2 primeiros anos do estudo, o tempo operat&#243;rio foi significativamente superior no grupo com obesidade, comparativamente aos outros dois grupos. Contudo, ap&#243;s 2 anos de realiza&#231;&#227;o de HTL de forma regular n&#227;o se encontraram diferen&#231;as no tempo operat&#243;rio independentemente do IMC dada a diminui&#231;&#227;o significativa do tempo operat&#243;rio m&#233;dio para realiza&#231;&#227;o da HTL no grupo com obesidade (<a href="#f2">Figura 2</a>).</p>     <p>&nbsp;</p>     <p align="center"><a name="f2"></a><img src="/img/revistas/aogp/v9n5/9n5a02f2.jpg"/></p>     
<p>&nbsp;</p>     ]]></body>
<body><![CDATA[<p> A compara&#231;&#227;o entre a hemoglobina e o hemat&#243;crito pr&#233; e p&#243;s-operat&#243;rios permitiu verificar uma diferen&#231;a significativa, embora clinicamente irrelevante, entre os grupos, observando-se no grupo com obesidade uma menor redu&#231;&#227;o da hemoglobina e do hemat&#243;crito, quando comparada com os grupos com IMC normal e com excesso de peso (<a href="#q4">Quadro IV</a>).</p>     <p> A dura&#231;&#227;o do internamento ap&#243;s a cirurgia foi semelhante em todos os grupos. De salientar que mais de 58% das pacientes tiveram alta no 1&#186; dia p&#243;s operat&#243;rio, independentemente do seu IMC (<a href="#q4">Quadro IV</a>).</p>     <p> As taxas de complica&#231;&#245;es <i>minor</i> e <i>major</i> intra e p&#243;s&#8212;operat&#243;rias n&#227;o foram significativamente diferentes entre os grupos (<a href="#q5">Quadro V</a>). De facto, a morbilidade global foi de 12,4% no grupo com IMC normal, 14,3% no grupo com excesso de peso e 13,0% no grupo com obesidade. As complica&#231;&#245;es <i>major</i> intra-operat&#243;rias corresponderam a um caso de paragem cardio-respirat&#243;ria durante a indu&#231;&#227;o anest&#233;sica, em paciente com IMC normal (que reverteu ap&#243;s manobras de reanima&#231;&#227;o) e um caso de convers&#227;o para laparotomia por hemorragia uterina generalizada dif&#237;cil de controlar, sem qualquer les&#227;o vascular iatrog&#233;nica espec&#237;fica, em paciente com adenomiose exuberante e m&#250;ltiplas ader&#234;ncias (paciente com excesso de peso). Como complica&#231;&#245;es <i>major</i> no p&#243;s-operat&#243;rio (imediato e tardio), registaram-se a ocorr&#234;ncia de deisc&#234;ncia da c&#250;pula vaginal em 3 casos, e 1 caso com necessidade de reinterven&#231;&#227;o numa doente do grupo com IMC normal. Esta paciente foi reoperada ao 12&#186; dia p&#243;s-operat&#243;rio por um quadro de oclus&#227;o intestinal por peritonite adesiva, tendo-se procedido a adesi&#243;lise extensa, por via laparosc&#243;pica. Ao 17&#186; dia p&#243;s-operat&#243;rio, a paciente foi novamente reoperada, tendo-se realizado hemicolectomia direita, por via laparot&#243;mica, devido a peritonite adesiva. Relativamente aos casos de deisc&#234;ncia da c&#250;pula vaginal, 2 casos ocorreram em pacientes do grupo com IMC normal (um dos quais 5 meses ap&#243;s a cirurgia, na sequ&#234;ncia de rela&#231;&#245;es sexuais; outro no 11&#186; dia p&#243;s-operat&#243;rio), e outro em paciente do grupo com excesso de peso (em mulher com adenocarcinoma do endom&#233;trio estadio IBG2, ap&#243;s sess&#227;o de braquiterapia). Ap&#243;s um ano de seguimento, n&#227;o foi descrito qualquer caso de prolapso da c&#250;pula vaginal.</p>     <p>&nbsp;</p>     <p align="center"><a name="q5"></a><img src="/img/revistas/aogp/v9n5/9n5a02q5.jpg"/></p>     
<p>&nbsp;</p>     <p> Quanto &#224;s complica&#231;&#245;es <i>minor</i> salientam-se dois casos de lacera&#231;&#227;o iatrog&#233;nica da serosa do c&#243;lon sigm&#243;ide, com sutura imediata, um no grupo com IMC normal e outro no grupo com obesidade, bem como algumas complica&#231;&#245;es infeciosas e dez casos de hemorragia sem necessidade de transfus&#227;o sangu&#237;nea. De real&#231;ar 3 casos de incontin&#234;ncia urin&#225;ria de esfor&#231;o (um em cada grupo de pacientes), que persistiram 12 meses depois da HTL (<a href="#q5">Quadro V</a>). N&#227;o ocorreu nenhuma les&#227;o ureteral ou vesical, perfura&#231;&#227;o intestinal ou embolia pulmonar, nenhum reinternamento (menos de 72 horas ap&#243;s a alta), nem nenhum caso de morte intra-operat&#243;ria ou no p&#243;s-operat&#243;rio imediato.</p>     <p><b>Discuss&#227;o</b></p>     <p> A abordagem laparosc&#243;pica &#233; atualmente reconhecida como uma t&#233;cnica cir&#250;rgica segura e de primeira linha em m&#250;ltiplas situa&#231;&#245;es, quer benignas quer malignas, sendo por isso crescentemente usada na interven&#231;&#227;o cir&#250;rgica ginecol&#243;gica mais frequente nos pa&#237;ses civilizados - a histerectomia <sup>1,5-7</sup>.</p>     <p> O excesso de peso e a obesidade s&#227;o fatores de risco para v&#225;rias doen&#231;as que podem contribuir em algum momento da vida da mulher para o aparecimento de situa&#231;&#245;es que indiquem a realiza&#231;&#227;o de uma histerectomia, tais como leiomiomas uterinos, hemorragia uterina anormal, adenomiose, hiperplasia ou neoplasia endometrial<sup>16,17</sup>. A obesidade e as suas comorbilidades s&#227;o igualmente conhecidos fatores de risco para complica&#231;&#245;es cir&#250;rgicas<sup>10,25</sup>. No que diz respeito &#224; laparoscopia, a obesidade foi inicialmente considerada uma contraindica&#231;&#227;o relativa para procedimentos laparosc&#243;picos<sup>11,12</sup>, j&#225; que se pode associar a dificuldades na forma&#231;&#227;o e manuten&#231;&#227;o do pneumoperitoneu, na exposi&#231;&#227;o do campo cir&#250;rgico, para al&#233;m de constituir um desafio anest&#233;sico, devido ao aumento da press&#227;o intra-abdominal, agravado pela posi&#231;&#227;o de Trendelenburg<sup>10,26</sup>. Contudo, diversos estudos t&#234;m demonstrado que, cumprindo os princ&#237;pios da cirurgia minimamente invasiva, a abordagem laparosc&#243;pica permite diminuir o risco de infe&#231;&#227;o, trauma cir&#250;rgico e eventos tromboemb&#243;licos<sup>10,11,13</sup>.</p>     ]]></body>
<body><![CDATA[<p> No presente estudo apresentamos a an&#225;lise de 318 HTL realizadas por uma &#250;nica equipa cir&#250;rgica, incluindo 119 (37,4%) mulheres com excesso de peso e 54 (17%) mulheres obesas. A propor&#231;&#227;o de mulheres obesas no presente estudo est&#225; de acordo com a estimativa para a popula&#231;&#227;o portuguesa<sup>9</sup>. De real&#231;ar que as pacientes com IMC compat&#237;vel com obesidade apresentam n&#227;o s&#243; peso significativamente superior, mas tamb&#233;m altura significativamente inferior &#224; das mulheres com IMC normal. Tal, traduz um aumento de gordura abdominal nestas paciente e, consequentemente, maior dificuldade cir&#250;rgica.</p>     <p> Neste trabalho, as mulheres obesas e com excesso de peso eram significativamente mais velhas que as mulheres com IMC normal, o que reflete a associa&#231;&#227;o descrita na literatura entre o aumento da idade e a obesidade<sup>9</sup>. De igual forma, as mulheres obesas e com excesso de peso eram mais frequentemente mult&#237;paras e p&#243;s-menop&#225;usicas. As doentes obesas tinham tamb&#233;m mais frequentemente patologia associada comparativamente &#224;s com excesso de peso e &#224;s com IMC normal. &#201; amplamente reconhecida a associa&#231;&#227;o entre elevado IMC e patologia associada, nomeadamente do foro cardiovascular e end&#243;crino<sup>27,28</sup>.</p>     <p> As principais indica&#231;&#245;es cir&#250;rgicas para a realiza&#231;&#227;o de histerectomia neste estudo est&#227;o de acordo com o descrito na literatura, assumindo os leiomiomas uterinos um papel preponderante (mais de 50%, independentemente do IMC)<sup>4,29</sup>. Verificou-se, contudo, uma diferen&#231;a estatisticamente significativa entre os grupos, no que diz respeito ao motivo para cirurgia: a segunda indica&#231;&#227;o cir&#250;rgica mais comum no grupo com excesso de peso e com obesidade foi patologia endometrial benigna, enquanto no grupo com IMC normal foi endometriose. O aumento significativo de frequ&#234;ncia de realiza&#231;&#227;o de abla&#231;&#227;o anexial no grupo com obesidade &#233; muito provavelmente explic&#225;vel pela diferen&#231;a na idade m&#233;dia das pacientes, sendo pr&#225;tica comum a abla&#231;&#227;o anexial em doentes p&#243;s-menop&#225;usicas.</p>     <p> O peso m&#233;dio da pe&#231;a operat&#243;ria foi similar ou superior ao descrito na literatura<sup>4,5</sup> e n&#227;o se verificaram diferen&#231;as entre os grupos no que diz respeito a esse par&#226;metro, ou quanto &#224; necessidade de utiliza&#231;&#227;o de trocar epig&#225;strico ou de morcela&#231;&#227;o. Tal sugere graus de dificuldade cir&#250;rgica relacionados com as dimens&#245;es da pe&#231;a operat&#243;ria similares entre os grupos. Para al&#233;m disso, o tempo operat&#243;rio m&#233;dio global foi tamb&#233;m id&#234;ntico, embora nos 2 primeiros anos do estudo tenha sido significativamente superior no grupo com obesidade. Essa diferen&#231;a desapareceu completamente, ap&#243;s 2 anos de realiza&#231;&#227;o de HTL de forma regular. A aus&#234;ncia de aumento do tempo operat&#243;rio e os tempos operat&#243;rios m&#233;dios da presente casu&#237;stica est&#227;o de acordo com os descritos na literatura, nomeadamente por grupos com experi&#234;ncia globalmente reconhecida<sup>12,20</sup>. Contudo, &#233; de referir que, outros autores t&#234;m descrito um prolongamento do tempo operat&#243;rio associado ao aumento do IMC<sup>11,19,23</sup>. Esta discrep&#226;ncia quanto ao tempo operat&#243;rio poder&#225; tamb&#233;m estar relacionada com as diferentes formas em que este &#233; avaliado. De qualquer forma, os presentes resultados demonstram que, quando a HTL &#233; realizada por uma equipa cir&#250;rgica experiente, pode ser realizada num tempo operat&#243;rio aceit&#225;vel e que a obesidade n&#227;o o prolonga significativamente. Para al&#233;m disso refor&#231;am, mais uma vez, a import&#226;ncia do treino e da necessidade de uma curva de aprendizagem inicial inerentes aos procedimentos laparosc&#243;picos<sup>4</sup>. No presente estudo o tempo operat&#243;rio foi considerado desde o in&#237;cio da laquea&#231;&#227;o do ligamento redondo esquerdo at&#233; &#224; conclus&#227;o do encerramento da c&#250;pula vaginal, n&#227;o se tendo considerado o tempo necess&#225;rio para cria&#231;&#227;o do pneumoperitoneu e acesso ao campo cir&#250;rgico. De facto, o IMC pode condicionar dificuldades nesta importante etapa da cirurgia laparosc&#243;pica em equipas com menor experi&#234;ncia. De referir ainda que alguns estudos t&#234;m defendido que o IMC pode criar dificuldades tamb&#233;m na entuba&#231;&#227;o, posicionamento da paciente e coloca&#231;&#227;o do manipulador uterino <sup>30</sup>.</p>     <p> A diferen&#231;a encontrada entre os grupos no que diz respeito &#224; varia&#231;&#227;o da hemoglobina do pr&#233; para o p&#243;s&#8212;operat&#243;rio favorece o grupo com obesidade. De facto, a varia&#231;&#227;o da hemoglobina foi inferior no grupo obesidade, o que se apresenta como importante vantagem da abordagem laparosc&#243;pica nas pacientes obesas, j&#225; que a obesidade se associa tipicamente a maior hemorragia<sup>10</sup>. Independentemente do IMC, a diminui&#231;&#227;o m&#233;dia da hemoglobina descrita no presente trabalho &#233; similar &#224; descrita por outros autores<sup>,31</sup>. Tamb&#233;m a dura&#231;&#227;o m&#233;dia do internamento p&#243;s-operat&#243;rio, que variou entre 1,5 e 1,6 dias, foi semelhante nos tr&#234;s grupos de doentes e est&#225; de acordo com o descrito na literatura<sup>12,31</sup>.</p>     <p> As taxas de complica&#231;&#245;es intra e p&#243;s-operat&#243;rias n&#227;o foram estatisticamente diferentes entre os grupos quer quanto &#224;s complica&#231;&#245;es <i>major</i> quer quanto &#224;s <i>minor</i>. A morbilidade global foi de 12,4% no grupo normal, 14,3% no grupo excesso de peso e 13,0% no grupo obesidade, sendo estes valores compar&#225;veis com os descritos para a HTL por outros grupos<sup>11,12,20-23</sup>. A taxa de complica&#231;&#245;es por n&#243;s encontrada para a HTL &#233; at&#233; inferior &#224; descrita para a histerectomia por via laparot&#243;mica. De acordo com um estudo prospectivo envolvendo 53 hospitais finlandeses e 1255 histerectomias realizadas por via laparot&#243;mica e 1679 por via laparosc&#243;pica, a taxa total de complica&#231;&#245;es descrita foi de 19,2% para a histerectomia por via laparot&#243;mica e 15,4% para a via laparosc&#243;pica<sup>32</sup>.</p>     <p> N&#227;o podemos deixar de considerar que o presente estudo tem algumas limita&#231;&#245;es metodol&#243;gicas. A primeira resulta de que todos os dados foram obtidos atrav&#233;s da consulta de processos cl&#237;nicos, e o seu rigor est&#225; obviamente dependente do registo claro e completo da informa&#231;&#227;o. Por outro lado, tratou-se de um estudo retrospetivo, o que se associa a risco de subestima&#231;&#227;o das complica&#231;&#245;es. Por fim, em estudos futuros considera&#8212;se &#250;til a avalia&#231;&#227;o do tempo operat&#243;rio pele-pele (desde a primeira incis&#227;o cut&#226;nea at&#233; ao encerramento da mesma), bem como a avalia&#231;&#227;o do tempo desde a entrada da paciente at&#233; &#224; sa&#237;da da sala operat&#243;ria.</p>     <p> Em conclus&#227;o, mesmo tendo em conta as limita&#231;&#245;es apresentadas, os nossos resultados mostram que, quando realizada por uma equipa cir&#250;rgica adequadamente treinada, a HTL se associa a baixa taxa de complica&#231;&#245;es, mesmo em mulheres com IMC elevado. De facto, na nossa experi&#234;ncia, a obesidade n&#227;o prolongou o tempo operat&#243;rio nem a dura&#231;&#227;o do internamento, bem como n&#227;o aumentou a taxa de complica&#231;&#245;es associada &#224; interven&#231;&#227;o.</p>     <p>&nbsp;</p>     <p><b>REFER&#202;NCIAS BIBLIOGR&#193;FICAS</b></p>     ]]></body>
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<body><![CDATA[<!-- ref --><p>27. Berger NA. Obesity and cancer pathogenesis. Ann N Y Acad Sci 2014;1311:57-76.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1852513&pid=S1646-5830201500040000200027&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>28. Stewart ST, Cutler DM, Rosen AB. Forecasting the effects of obesity and smoking on U.S. life expectancy. N Engl J Med 2009;361:2252-2260.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1852515&pid=S1646-5830201500040000200028&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>29. Broder MS, Kanouse DE, Mittman BS, Bernstein SJ. The appropriateness of recommendations for hysterectomy. Obstet Gynecol 2000;95:199-205.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1852517&pid=S1646-5830201500040000200029&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>30. Wright KN, Jonsdottir GM, Jorgensen S, Shah N, Einarsson JI. Costs and outcomes of abdominal, vaginal, laparoscopic and robotic hysterectomies. JSLS 2012;16:519-524.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1852519&pid=S1646-5830201500040000200030&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>31. Malzoni M, Perniola G, Perniola F, Imperato F. Optimizing the total laparoscopic hysterectomy procedure for benign uterine pathology. J Am Assoc Gynecol Laparosc 2004;11:211-218.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1852521&pid=S1646-5830201500040000200031&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     ]]></body>
<body><![CDATA[<!-- ref --><p>32. Brummer TH, Jalkanen J, Fraser J, Heikkinen AM, Kauko M, M&#228;kinen J, Sepp&#228;l&#228; T, Sj&#246;berg J, Tom&#225;s E, H&#228;rkki P. FINHYST, a prospective study of 5279 hysterectomies: complications and their risk factors. Hum Reprod 2011;26:1741-1751.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1852523&pid=S1646-5830201500040000200032&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <p>&nbsp;</p>     <p><a href="#topc0">Endere&ccedil;o para correspond&ecirc;ncia</a> | <a href="#topc0">Direcci&oacute;n para correspondencia</a> | <a href="#topc0">Correspondence</a><a name="c0"></a></p>     <p>Cristina Nogueira-Silva</p>     <p>Escola de Ci&#234;ncias da Sa&#250;de da Universidade do Minho</p>     <p>Campus Gualtar; 4710-057 Braga</p>     <p>E-mail: <a href="mailto:cristinasilva@ecsaude.uminho.pt">cristinasilva@ecsaude.uminho.pt</a></p>     <p>&nbsp;</p>     <p><b>Contribui&#231;&#227;o dos autores</b> </p>     ]]></body>
<body><![CDATA[<p>Filipa Os&#243;rio e Cristina Nogueira-Silva contribu&#237;ram igualmente para o manuscrito</p>     <p><b>Conflito de interesses</b></p>     <p>Os autores n&#227;o t&#234;m conflitos de interesses a declarar.</p>     <p>&nbsp;</p>     <p><b>Recebido em: </b> 01-01-2014</p>     <p> <b>Aceite para publica&#231;&#227;o: </b> 12-11-2014 </p>      ]]></body><back>
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