<?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>S1646-58302016000400002</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Qual o papel da histeroscopia de rotina previamente ao primeiro tratamento de procriação medicamente assistida?]]></article-title>
<article-title xml:lang="en"><![CDATA[What's the role of routine hysteroscopy prior to the first assisted reproductive technique?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Afonso]]></surname>
<given-names><![CDATA[Hermínia Gomes]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dantas]]></surname>
<given-names><![CDATA[Sofia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miguelote]]></surname>
<given-names><![CDATA[Rui]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reis]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Hospital Senhora da Oliveira  ]]></institution>
<addr-line><![CDATA[Guimarães ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidade do Minho Escola de Medicina Instituto de Investigação em Ciências da Vida e da Saúde]]></institution>
<addr-line><![CDATA[Braga ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>10</volume>
<numero>4</numero>
<fpage>280</fpage>
<lpage>285</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-58302016000400002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-58302016000400002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-58302016000400002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Overview: Integrity of the uterine cavity is critical to embryonic implantation and it is mandatory to evaluation it in the routine investigation of infertility. Hysteroscopy is considered the gold standard, allowing concomitant treatment , which optimizes the conditions for future embryo transfers. Nevertheless, controversies still exist in its routine performance prior to the first assisted reproductive technique. Aims: To assess the concordance between the findings of transvaginal ultrasonography and hysteroscopy and to investigate risk factors for intracavitary pathology. Study Design: Retrospective observational study. Population: 104 women submitted to transvaginal ultrasonographic evaluation (with normal uterine cavity evaluation) and hysteroscopy before the first assisted reproductive technique. Methods: A database was constructed through the analysis of each patient's file. Descriptive and inferential statistical analysis was performed with Statistical Package for Social Sciences, version 20.0. P &#8804;0,05 was considered statistically significant. Results: The study group had a mean age of 33,3 years and a mean duration of infertility of 45,6 months. About 87% patients had primary infertility. Hysteroscopy revealed intracavitary alterations in 20 women. In 6 patients a simultaneous surgical procedure was performed and 4 had an alteration of the therapeutic plan. No complications were documented. Descriptive analysis revealed that uterine abnormalities observed in hysteroscopy were significantly more frequent in women aged &#8805; 35years (35,1 vs 32,8%, p=0,008). In the logistic regression it was observed that hysteroscopic alterations were significantly and positively associated with female age &#8805;35years (OR=2,85; IC95%: 1,1-7,7). Conclusions: Ultrasound findings were not consistent with hysteroscopic findings in 19,23% patients, and this was more frequent in women aged &#8805;35years. Hysteroscopy has a special role in the investigation of infertility, mainly in populations with risk factors for intracavitary anomaly and its impact should be reassessed.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Hysteroscopy]]></kwd>
<kwd lng="en"><![CDATA[Infertility]]></kwd>
<kwd lng="en"><![CDATA[Uterine disease]]></kwd>
<kwd lng="en"><![CDATA[Ultrasonography]]></kwd>
<kwd lng="en"><![CDATA[Assisted reproductive techniques]]></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>Qual o papel da histeroscopia de rotina previamente ao&#160;primeiro tratamento de procria&#231;&#227;o medicamente assistida? </b></font></p>     <p><font size="3"><b>What's the role of routine hysteroscopy prior&#160; to the first assisted reproductive technique?</b></font></p>     <p><b>Herm&#237;nia Gomes Afonso*, Sofia Dantas**, Rui Miguelote***, Isabel Reis****</b></p>     <p>Hospital Senhora da Oliveira, Guimar&#227;es EPE</p>     <p>*Interna de Forma&#231;&#227;o Espec&#237;fica, Hospital Senhora da Oliveira, Guimar&#227;es EPE</p>     <p>**Assistente Graduada de Ginecologia e Obstetr&#237;cia, Hospital Senhora da Oliveira, Guimar&#227;es EPE</p>     <p>***Assistente Hospitalar de Ginecologia e Obstetr&#237;cia, Instituto de Investiga&#231;&#227;o em Ci&#234;ncias da Vida e da Sa&#250;de (ICVS), Escola de Medicina, Universidade do Minho, Braga</p>     <p>****Assistente Graduada de Ginecologia e Obstetr&#237;cia, Hospital Senhora da Oliveira, Guimar&#227;es EPE</p>     <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/>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><b>ABSTRACT</b></p>     <p><b>Overview:</b> Integrity of the uterine cavity is critical to embryonic implantation and it is mandatory to evaluation it in the routine investigation of infertility. Hysteroscopy is considered the gold standard, allowing concomitant treatment , which optimizes the conditions for future embryo transfers. Nevertheless, controversies still exist in its routine performance&#160; prior to the first assisted reproductive technique.</p>     <p><b>Aims:</b> To assess the concordance between the findings of transvaginal ultrasonography and hysteroscopy and to investigate risk factors for intracavitary pathology.</p>     <p><b>Study Design:</b> Retrospective observational study.</p>     <p><b>Population:</b> 104 women submitted to transvaginal ultrasonographic evaluation (with normal uterine cavity evaluation) and hysteroscopy before the first assisted reproductive technique.</p>     <p><b>Methods:</b> A database was constructed through the analysis of each patient&#8217;s file. Descriptive and inferential statistical analysis was performed with Statistical Package for Social Sciences, version 20.0. P &#8804;0,05 was considered statistically significant.</p>     <p><b>Results:</b> The study group had a mean age of 33,3 years and a mean duration of infertility of 45,6 months. About 87% patients had primary infertility. Hysteroscopy revealed intracavitary alterations in 20 women. In 6 patients a simultaneous surgical procedure was performed and 4 had an alteration of the therapeutic plan. No complications were documented. Descriptive analysis revealed that uterine abnormalities observed in hysteroscopy were significantly more frequent in women aged &#8805; 35years (35,1 vs 32,8%, p=0,008). In the logistic regression it was observed that hysteroscopic alterations were&#160; significantly and positively associated with female age &#8805;35years (OR=2,85; IC95%: 1,1-7,7).</p>     <p><b>Conclusions:</b> Ultrasound findings were not consistent with hysteroscopic findings in 19,23% patients, and this was more frequent in women aged &#8805;35years. Hysteroscopy has a special role in the investigation of infertility, mainly in populations with risk factors for intracavitary anomaly and its impact should be reassessed.</p>     <p><b>Keywords: </b>Hysteroscopy; Infertility; Uterine disease; Ultrasonography; Assisted reproductive techniques.</p> <hr/>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p><b>Introdu&#231;&#227;o</b></p>     <p>Os avan&#231;os nas t&#233;cnicas de procria&#231;&#227;o medicamente assistida (PMA) t&#234;m sido not&#243;rios ao longo do tempo. No entanto, a taxa de gravidez com nados vivos em 2012 permaneceu abaixo dos 40%<sup>i</sup>. Este valor deve-se em parte &#224;s falhas na implanta&#231;&#227;o, sendo m&#250;ltiplos os fatores respons&#225;veis por este facto, entre os quais: uma estimula&#231;&#227;o ov&#225;rica sub&#243;tima, a fraca qualidade embrion&#225;ria e uma recetividade uterina deficit&#225;ria. O fator uterino &#233; a causa da infertilidade em 1 a 3% dos casais<sup>1,</sup><sup>2</sup>. No entanto, a incid&#234;ncia de anomalias intrauterinas &#233; muito superior, rondando os 11-60%<sup>3-5</sup>. A presen&#231;a desta patologia compromete a recetividade endometrial atingindo n&#227;o s&#243; a fertilidade espont&#226;nea, mas tamb&#233;m a implanta&#231;&#227;o embrion&#225;ria ap&#243;s t&#233;cnicas de PMA<sup>6,7</sup>. Como tal, a avalia&#231;&#227;o da cavidade uterina &#233; mandat&#243;ria na investiga&#231;&#227;o inicial de um casal com infertilidade, podendo ser efetuada de m&#250;ltiplas formas.</p>     <p>A ecografia transvaginal (TV-US <i>(transvaginal ultrasound))</i> &#233; um exame n&#227;o invasivo, barato e bem tolerado, que permite uma avalia&#231;&#227;o abrangente da pelve feminina, tendo demonstrado valores elevados de sensibilidade, especificidade, valor preditivo positivo e negativo (respetivamente de 100%, 96,3%, 91,3% e 100%, segundo <i>Shalev et al</i>)<sup>7</sup>. No entanto, tem algumas limita&#231;&#245;es diagn&#243;sticas no que se refere a algumas entidades patol&#243;gicas, assim como na distin&#231;&#227;o de patologia com achados ecogr&#225;ficos semelhantes. Neste sentido, a histerossonografia permite uma melhor delinea&#231;&#227;o da cavidade uterina, com uma sensibilidade de 87,5% e especificidade de 100%, n&#227;o permitindo por&#233;m, ultrapassar na totalidade as limita&#231;&#245;es ecogr&#225;ficas<sup>9</sup>. A histerossalpingografia, frequentemente utilizada no estudo da infertilidade, &#233; um exame pouco dispendioso, seguro e que permite a avalia&#231;&#227;o da permeabilidade tubar. Contudo, apresenta uma sensibilidade e especificidade vari&#225;vel na literatura (60-98% e 15-80%, respetivamente) e permite tal como os restantes exames supracitados, uma avalia&#231;&#227;o indireta da cavidade uterina, necessitando da utiliza&#231;&#227;o de radia&#231;&#227;o e meio de contraste<sup> 9-11</sup>. </p>     <p>A histeroscopia &#233; considerada o &#8220;<i>gold standard</i>&#8221; no estudo da cavidade uterina<sup>12-15</sup>. Possibilita a visualiza&#231;&#227;o direta das estruturas com a realiza&#231;&#227;o simult&#226;nea de biopsias e procedimentos cir&#250;rgicos. &#201; ainda um exame bem tolerado, r&#225;pido, seguro e com elevada&#160; rela&#231;&#227;o custo-efic&#225;cia<sup>2,9,10,14-</sup><sup>16</sup>. Para al&#233;m disso, demonstrou em casos com falhas recorrentes da implanta&#231;&#227;o associar-se a um aumento das taxas de gravidez, quando realizada previamente &#224;s t&#233;cnicas de PMA, facilitando ainda a transfer&#234;ncia de embri&#245;es <sup>9,16-</sup><sup>18</sup>. No entanto, e por se tratar de um exame dispendioso, invasivo e com uma interfer&#234;ncia ainda pouco clara a n&#237;vel da fertilidade dos casais submetidos &#224; primeira t&#233;cnica de PMA, a sua utiliza&#231;&#227;o por rotina na investiga&#231;&#227;o inicial da infertilidade &#233; controversa<sup>2,9,14,</sup><sup>9 </sup>. Como tal, segundo as recomenda&#231;&#245;es das Sociedades Internacionais este exame deve ser reservado para situa&#231;&#245;es com suspeita de patologia intracavit&#225;ria (em outros meios complementares de diagn&#243;stico e/ou com sintomatologia) ou com falhas recorrentes de implanta&#231;&#227;o ap&#243;s t&#233;cnicas de PMA<sup>9,19,</sup><sup>20</sup>.</p>     <p>O objetivo deste estudo foi verificar a preval&#234;ncia de altera&#231;&#245;es da cavidade uterina detetadas na histeroscopia em mulheres inf&#233;rteis, com TV-US normal e propostas para o primeiro tratamento de PMA. Foram ainda estudados m&#250;ltiplos fatores determinantes relativamente &#224; sua rela&#231;&#227;o com a frequ&#234;ncia e associa&#231;&#227;o de risco para a patologia intrauterina.</p>     <p><b>M&#233;todos</b></p>     <p>Efetuado um estudo observacional e retrospetivo atrav&#233;s da an&#225;lise de processos cl&#237;nicos. Foi selecionado ao acaso uma amostra de mulheres que na investiga&#231;&#227;o de rotina da infertilidade realizaram, no nosso Centro, TV-US (com avalia&#231;&#227;o de cavidade uterina normal) e histeroscopia, previamente &#224; primeira t&#233;cnica de PMA. Os dados recolhidos para an&#225;lises foram: a idade da mulher, o tipo e dura&#231;&#227;o da infertilidade, os antecedentes m&#233;dico-cir&#250;rgicos, a espessura endometrial ecogr&#225;fica e os achados histerosc&#243;picos, assim como as suas complica&#231;&#245;es e procedimentos cir&#250;rgicos concomitantes. Foram exclu&#237;dos todos os casos&#160; com dados incompletos.</p>     <p>O exame ecogr&#225;fico foi realizado por cinco operadores, no ec&#243;grafo <i>Aloka ProSound</i> SSD-4000, independentemente da fase do ciclo menstrual. Foi avaliado o colo, o corpo e a cavidade uterina, os anexos e os fundos de saco, com posterior descri&#231;&#227;o dos achados em relat&#243;rio pr&#243;prio.</p>     <p>O exame endosc&#243;pico (realizado por rotina at&#233; &#224; data do estudo no nosso Centro, em mulheres propostas a t&#233;cnicas de PMA), foi efetuado durante o interl&#250;nio (independentemente da fase do ciclo menstrual), com recurso a um histerosc&#243;pio r&#237;gido, com di&#226;metro de 5,5mm, com c&#226;nula de fluxo cont&#237;nuo, dire&#231;&#227;o de visualiza&#231;&#227;o de 30&#186; e canal de trabalho com 5Fr. Foi usado um sistema de press&#227;o manual para distens&#227;o da cavidade uterina, utilizando como meio o cloreto de s&#243;dio 0,9% (a temperatura amena).<i> </i>A vaginoscopia foi a t&#233;cnica preferencialmente adotada, o que permitiu efetuar a avalia&#231;&#227;o completa do sistema genital inferior. Ap&#243;s a realiza&#231;&#227;o do exame foram registados em relat&#243;rio os achados e procedimentos histerosc&#243;picos (nomeadamente: os dados estruturais dos &#243;stios tubares e da cavidade uterina, caracter&#237;sticas do endom&#233;trio,&#160; as anomalias visualizadas, os procedimentos cir&#250;rgicos concomitantes e a descri&#231;&#227;o da forma e apar&#234;ncia da vagina e canal cervical).</p>     ]]></body>
<body><![CDATA[<p>Relativamente &#224; an&#225;lise estat&#237;stica, as propor&#231;&#245;es foram comparadas com o teste de Qui-quadrado e as vari&#225;veis cont&#237;nuas com recurso ao teste <i>T-Student</i> e teste de <i>Mann-Whitney</i> (se vari&#225;veis com distribui&#231;&#227;o gaussiana ou n&#227;o gaussiana, respetivamente). Foi utilizado um modelo de regress&#227;o log&#237;stica (<i>odds ratio</i> (OR) e intervalos de confian&#231;a a 95% (IC95%)) para estimar a associa&#231;&#227;o independente, em bruto, entre a patologia intrauterina e os seus potenciais fatores de risco. Foi considerado um n&#237;vel de signific&#226;ncia de 5% e as an&#225;lises foram efetuadas com recurso ao <i>Statistical Package for Social Sciences,</i> vers&#227;o 20.0 (SPSS Inc, Chicago, IL, USA).</p>     <p><b>Resultados</b></p>     <p>Este estudo integrou uma amostra de 104 mulheres com idade m&#233;dia de 33,3+/-3,5 (26-39) anos. Destas, 79 n&#227;o apresentavam antecedentes m&#233;dicos, sendo a patologia psiqui&#225;trica (n=6), a asma (n=4) e a obesidade (n=4) as mais frequentemente registadas. 38 casos tinham antecedentes cir&#250;rgicos, sendo que 12 pacientes tinham sido submedidas a cirurgia anexial, 5 a cirurgia uterina e 1 a cirurgia do colo do &#250;tero. A dura&#231;&#227;o da infertilidade foi de 45,6+/-30,2 (12-180) meses. A infertilidade secund&#225;ria esteve presente em 12,5% dos casos, sendo o abortamento espont&#226;neo de primeiro trimestre (n=8) o antecedente obst&#233;trico mais prevalente, verificando-se apenas em 5 mulheres hist&#243;ria de gravidez evolutiva, com nados vivos.</p>     <p>Na avalia&#231;&#227;o ecogr&#225;fica a espessura endometrial com m&#233;dia de 7,8+/-3,1 (2-14) mm. A histeroscopia foi realizada num intervalo m&#233;dio de 3 meses (0-9) ap&#243;s a TV-US e foi normal em 84 casos. Os achados detetados durante o exame endosc&#243;pico est&#227;o sumarizados no <a href="#q1">Quadro I</a>. Foi detetado 1 caso com sin&#233;quias uterinas, numa mulher com antecedentes de 2 abortamentos de primeiro trimestre, com necessidade de esvaziamento uterino com cureta fenestrada e 1 caso com estenose unilateral do &#243;stio tubar, com hist&#243;ria de endometriose profunda.</p>     <p>&nbsp;</p>     <p align="center"><a name="q1"></a><img src="/img/revistas/aogp/v10n4/10n4a02q1.jpg"/></p>     
<p>&nbsp;</p>     <p>Dos p&#243;lipos visualizados todos eram pediculados e com dimens&#245;es inferiores a 2cm, tendo sido poss&#237;vel realizar tratamento cir&#250;rgico concomitante em 6 casos (6 polipectomias (3 endometriais e 3 endocervicais) e 1 lise de sin&#233;quias uterinas). Houve ainda altera&#231;&#227;o da orienta&#231;&#227;o terap&#234;utica em 4 casos (3 casos foram orientados para ressetoscopia e uma utente com hiperplasia endometrial foi medicada com progestativo). Os resultados histol&#243;gicos, quando presentes, coincidiram na totalidade com o diagn&#243;stico suspeito por histeroscopia. N&#227;o foram registadas complica&#231;&#245;es decorrentes deste exame. Em 3 casos submetidos a procedimentos endosc&#243;picos (uma miomectomia e duas polipectomias endometriais) as t&#233;cnicas de PMA foram bem sucedidas, com registo de uma gravidez intrauterina.</p>     <p>Foi ainda avaliada a rela&#231;&#227;o entre a frequ&#234;ncia da patologia intracavit&#225;ria detetada por histeroscopia e a idade da mulher, tipo e dura&#231;&#227;o da infertilidade e espessura endometrial ecogr&#225;fica. </p>     <p>Os resultados desta an&#225;lise est&#227;o resumidos no <a href="#q2">Quadro II</a>.</p>     ]]></body>
<body><![CDATA[<p>&nbsp;</p>     <p align="center"><a name="q2"></a><img src="/img/revistas/aogp/v10n4/10n4a02q2.jpg"/></p>     
<p>&nbsp;</p>     <p>A m&#233;dia das idades foi significativamente diferente de acordo com a presen&#231;a ou n&#227;o de altera&#231;&#245;es histerosc&#243;picas, sendo superior na presen&#231;a das mesmas (35,1 <i>vs.</i> 32,8 anos).</p>     <p>As associa&#231;&#245;es independentes entre a patologia intrauterina e os seus potenciais determinantes - idade da mulher, dura&#231;&#227;o de infertilidade e espessura ecogr&#225;fica do endom&#233;trio - est&#227;o apresentadas no <a href="#q3">Quadro III</a>.</p>     <p>&nbsp;</p>     <p align="center"><a name="q3"></a><img src="/img/revistas/aogp/v10n4/10n4a02q3.jpg"/></p>     
<p>&nbsp;</p>     <p>Globalmente, houve uma associa&#231;&#227;o positiva e estatisticamente significativa entre a patologia intracavit&#225;ria e idade &#8805;35 anos, sendo estas anomalias para esta faixa et&#225;ria quase 3 vezes mais prov&#225;veis (OR=2,85, IC95%: 1,1-7,7).</p>     <p><b>Discuss&#227;o</b></p>     ]]></body>
<body><![CDATA[<p>A incid&#234;ncia elevada de patologias intrauterinas em mulheres com infertilidade torna a sua investiga&#231;&#227;o por rotina fundamental. Neste estudo, 19,23% das pacientes com TV-US pr&#233;via normal revelaram altera&#231;&#245;es da cavidade na histeroscopia. Estes valores foram sobrepon&#237;veis aos descritos no estudo observacional retrospetivo com 2.500 casos, realizado por <i>Karayalcin et al</i><sup>10</sup>. Apesar das suas in&#250;meras e indiscut&#237;veis vantagens, a TV-US tem limita&#231;&#245;es no diagn&#243;stico de algumas patologias (nomeadamente, sin&#233;quias uterinas ou endometrite) e na distin&#231;&#227;o de entidades com achados ecogr&#225;ficos semelhantes (como a hiperplasia/p&#243;lipo endometrial ou &#250;tero arqueado/septado)<sup>3,9</sup>. N&#227;o permite ainda a visualiza&#231;&#227;o da configura&#231;&#227;o e tamanho da cavidade uterina, fundamental na transfer&#234;ncia de embri&#245;es e ultrapassado, apenas de forma parcial, pela histerossonografia e histerossalpingografia<sup>9,10</sup>. Neste sentido, a histeroscopia aparece como um exame <i>&#8220;gold standard&#8221;</i>. Permite uma avalia&#231;&#227;o detalhada da cavidade uterina, possibilitando neste estudo a dete&#231;&#227;o de 2 &#250;teros hipopl&#225;sicos, 8 anomalias cong&#233;nitas e 9 patologias adquiridas, n&#227;o diagnosticadas na TV-US. Este facto, deve-se em parte &#224;s dimens&#245;es dos p&#243;lipos e miomas idenficados serem &lt;2cm e a ambos os exames n&#227;o terem sido realizados consecutivamente e sistematicamente numa fase inicial do ciclo menstrual. Efetivamente, ap&#243;s uma an&#225;lise detalhada dos dados, constatou-se que em todos os casos com miomas e em metade das situa&#231;&#245;es com p&#243;lipos endometriais a ecografia foi realizada numa fase uterina secretora, apresentando uma espessura endometrial &#8805;9mm. Foi ainda poss&#237;vel a avalia&#231;&#227;o da integridade do canal cervical, com dete&#231;&#227;o de 3 p&#243;lipos endocervicais, que foram excisionados durante a realiza&#231;&#227;o do exame endosc&#243;pico. </p>     <p>&#160;As anomalias cong&#233;nitas e adquiridas do &#250;tero prejudicam a recetividade endometrial, apresentando segundo <i>Taylor and Gomel,</i> um impacto negativo sobre o processo de implanta&#231;&#227;o embrion&#225;ria, estando por isso associadas a abortamentos precoces e infertilidade<sup>7</sup>. A resse&#231;&#227;o de p&#243;lipos endometriais, miomas submucosos e sin&#233;quias uterinas, assim como a metroplastia est&#227;o associadas a um aumento das taxas de gravidez, de acordo com revis&#245;es fundamentadas em estudos observacionais<sup>2,7,</sup><sup>21</sup>. Este facto, deve-se em parte &#224; restitui&#231;&#227;o da recetividade endometrial, assim como a uma s&#233;rie de rea&#231;&#245;es qu&#237;micas, imunol&#243;gicas e citol&#243;gicas decorrentes da les&#227;o endometrial provocada pela pr&#243;pria interven&#231;&#227;o, que fomentam a taxa de implanta&#231;&#227;o<sup>9,</sup><sup>22</sup>. Neste sentido, no nosso Centro foi realizado, sempre que poss&#237;vel, o tratamento imediato das patologias intrauterinas detetadas. O impacto positivo destes procedimentos na fertilidade de mulheres com antecedentes de falhas de implanta&#231;&#227;o ap&#243;s ciclos de PMA &#233; indubit&#225;vel e est&#225; bem documentado na literatura publicada<sup>9,16-18</sup>. No entanto, este impacto est&#225; menos esclarecido em mulheres submetidas &#224; primeira t&#233;cnica de PMA<sup>2,13</sup>. Num estudo observacional retrospetivo realizado por&#160; <i>Yu et al,&#160; </i>n&#227;o foi demonstrada qualquer melhoria das taxas de implanta&#231;&#227;o e de nados vivos em mulheres submetidas a histeroscopia previamente ao primeiro ciclo de PMA<sup>23</sup>. Por&#233;m, numa revis&#227;o sistem&#225;tica e metan&#225;lise recente, efetuada por<i> Pundir et al</i> verificou-se uma melhoria estatisticamente significativa da taxa de gravidez (risco relativo=1,44; IC95%: 1,08-1,92; <i>p</i>=0,01) quando a histeroscopia precedeu imediatamente a estimula&#231;&#227;o ov&#225;rica<sup>14</sup><i>.</i> De facto, os dados publicados s&#227;o controversos, podendo ser justificados em parte por estas mulheres apresentarem maior&#160; potencial de fertilidade e menor preval&#234;ncia de patologia intrauterina, comparativamente a mulheres com m&#250;ltiplos ciclos de PMA mal sucedidos, o que torna o impacto deste exame mais subtil<sup>3,14</sup>. </p>     <p>Recentemente, h&#225; um esfor&#231;o no sentido de identificar fatores associados a patologia intrauterina, permitindo assim identificar grupos de risco, que beneficiem da realiza&#231;&#227;o de histeroscopia previamente ao primeiro ciclo de PMA<sup>24</sup>. Como tal, tem-se tentado estabelecer uma rela&#231;&#227;o entre a idade e a frequ&#234;ncia de patologia intracavit&#225;ria detetada por histeroscopia, embora com resultados pouco concordantes. Segundo trabalhos realizados por <i>El-Mazny et al</i> e <i>F&#233;ghali et al</i>, mulheres com idades &#8805;35 e 38 anos, respetivamente, n&#227;o teriam de forma estatisticamente significativa maior incid&#234;ncia de patologia intrauterina<sup>4,13</sup>. Por outro lado, <i>Dicker et al</i> reportou um aumento da incid&#234;ncia da patologia endometrial em mulheres com idade &gt;40 anos, existindo mesmo segundo <i>Fadhlaoui et al</i> uma melhoria nas taxas de gravidez e de nados vivos ap&#243;s t&#233;cnicas de PMA, quando este exame foi realizado por rotina neste grupo de utentes<sup>24,</sup><sup>25</sup>. Neste estudo analisamos a associa&#231;&#227;o de algumas vari&#225;veis com o risco de altera&#231;&#245;es intrauterinas detetadas por histeroscopia, tendo sido evidente uma associa&#231;&#227;o de risco positiva para idades &#8805;35 anos.</p>     <p>Ressalva-se algumas limita&#231;&#245;es deste estudo, muitas delas inerentes &#224; pequena amostragem e ao facto de se tratar de uma an&#225;lise retrospetiva. </p>     <p>Tanto a histeroscopia como a TV-US foram realizados por v&#225;rios operadores, que apesar de terem um treino comum podem ter, tal como descrito em algumas publica&#231;&#245;es, uma variabilidade interobservador no diagn&#243;stico de anomalias intrauterinas<sup>26</sup>. Idealmente, ambos os exames deveriam ter sido realizados sistematicamente numa fase inicial do ciclo menstrual, imediatamente ap&#243;s a menstrua&#231;&#227;o, condi&#231;&#227;o esta que n&#227;o se constatou neste estudo e que contribuiu certamente para o aumento de falsos negativos da ecografia. A histeroscopia deveria ter sido consecutiva &#224; TV-US, o que n&#227;o se verificou nesta amostra, podendo justificar nos casos com intervalos superiores, o aparecimento de anomalias intrauterinas, ainda n&#227;o presentes aquando da realiza&#231;&#227;o da ecografia.</p>     <p>Atualmente a histeroscopia &#233; considerada um exame minimamente invasivo, com caracter&#237;sticas &#250;nicas e in&#250;meras vantagens, como descrito anteriormente. Apresenta poucas falhas t&#233;cnicas e complica&#231;&#245;es, possibilitando o diagn&#243;stico definitivo de diversas patologias, incluindo aquelas mais discretas, que possam passar despercebidas em outros exames. Facilita ainda a transfer&#234;ncia de embri&#245;es e possibilita um planeamento mais adequado de interven&#231;&#245;es cir&#250;rgicas futuras, quando necess&#225;rias<sup>9,10,13</sup>. Tendo em conta que, as t&#233;cnicas de PMA s&#227;o tratamentos caros, pouco acess&#237;veis e com um impacto emocional enorme no casal, as vantagens da histeroscopia tornam-se ainda mais relevantes, j&#225; que a identifica&#231;&#227;o precisa e corre&#231;&#227;o da patologia intracavit&#225;ria, permite de certa forma otimizar a recetividade uterina e por isso contribuir positivamente para o sucesso destas t&#233;cnicas<sup>24</sup>. Por&#233;m, a sua utiliza&#231;&#227;o sistem&#225;tica previamente ao primeiro ciclo de PMA &#233; controversa, n&#227;o sendo recomendada nas orienta&#231;&#245;es pr&#225;ticas da <i>American Society for Reproductive Medicine </i>e da<i> European Society of Human Reproduction and Embryology</i><sup>19,20</sup>.</p>     <p><b>Conclus&#227;o</b></p>     <p>Existe uma incid&#234;ncia consider&#225;vel de patologia intrauterina em mulheres propostas para a primeira t&#233;cnica de PMA, salientado-se a import&#226;ncia de realizar uma investiga&#231;&#227;o sistem&#225;tica da cavidade uterina no estudo da infertilidade. A histeroscopia aparece neste contexto, como um exame minimamente invasivo, com boa <i>compliance</i>, com uma rela&#231;&#227;o custo-beneficio aceit&#225;vel e com caracter&#237;sticas &#250;nicas quer a n&#237;vel de diagn&#243;stico quer de tratamento, que permitem otimizar as condi&#231;&#245;es intrauterinas. O seu lugar torna-se ainda mais especial em grupos de risco, com associa&#231;&#227;o positiva para esta patologia, tal como o verificado neste estudo em mulheres com idade &#8805;35 anos, onde o seu impacto pode ser superior.</p>     <p>A sua utiliza&#231;&#227;o por rotina na avalia&#231;&#227;o inicial de mulheres propostas para o primeiro ciclo de PMA &#233; controversa, n&#227;o sendo recomendada por Organiza&#231;&#245;es de refer&#234;ncia na &#225;rea da Medicina da Reprodu&#231;&#227;o. Por&#233;m, ap&#243;s os resultados deste estudo e de outros trabalhos recentemente publicados, acreditamos que o papel da sua utiliza&#231;&#227;o sistem&#225;tica na avalia&#231;&#227;o b&#225;sica da infertilidade, assim como o seu impacto na fertilidade, necessita de ser reavaliado, principalmente em grupos de risco para esta patologia, recorrendo &#224; realiza&#231;&#227;o de ensaios cl&#237;nicos randomizados e prospetivos, com largas amostragens, que possam assim refor&#231;ar as orienta&#231;&#245;es cl&#237;nicas colocadas em pr&#225;tica at&#233; ent&#227;o.</p>     <p>&nbsp;</p>     ]]></body>
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Arch Gynecol Obstet. 2012; 286 (5): 1323-1328.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1859824&pid=S1646-5830201600040000200023&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>24. Fadhlaoui A, Khediri Z, Khrouf M, Chaker A, Zhioua F. Diagnostic hysteroscopy before the first in vitro fertilization. For whom?. Tunis Med. 2013; 91 (5): 310-316.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1859826&pid=S1646-5830201600040000200024&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>25. Dicker D, Goldman JA, Ashkenazi J, Feldberg D, Dekel A. The value of hysteroscopy in elderly women prior to in vitro fertilization-embryo transfer (IVF-ET): a comparative study. J In Vitro Fert Embryo Transf. 1990; 7 (5): 267-270.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1859828&pid=S1646-5830201600040000200025&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></p>     <!-- ref --><p>26. Kasius JC, Broekmans FJ, Veersema S, Eijkemans MJ, van Santbrink EJ, Devroey P, Fauser BC, Fatemi HM. Observer agreement in the evaluation of the uterine cavity by hysteroscopy prior to in vitro fertilization. Hum Reprod. 2011; 26(4): 801-807.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=1859830&pid=S1646-5830201600040000200026&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>Herm&#237;nia Gomes Afonso</p>     <p>E-mail: <a href="mailto:minagaf@gmail.com">minagaf@gmail.com</a> </p>     <p>&nbsp;</p>     <p><b>Recebido em: </b>25/6/2015</p>     <p><b>Aceite para publica&#231;&#227;o: </b>18/8/2016</p>     ]]></body>
<body><![CDATA[ ]]></body><back>
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<article-title xml:lang="en"><![CDATA[What Is the Role of Hysteroscopic Surgery in the Management of Female Infertility?: A Review of the Literature]]></article-title>
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<article-title xml:lang="en"><![CDATA[Observer agreement in the evaluation of the uterine cavity by hysteroscopy prior to in vitro fertilization]]></article-title>
<source><![CDATA[Hum Reprod]]></source>
<year>2011</year>
<volume>26</volume>
<numero>4</numero>
<issue>4</issue>
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