<?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>2184-6499</journal-id>
<journal-title><![CDATA[Revista Portuguesa Otorrinolaringologia e Cirurgia de Cabeça e Pescoço]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Port ORL]]></abbrev-journal-title>
<issn>2184-6499</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Otorrinolaringologia e Cirurgia de Cabeça e Pescoço]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2184-64992024000100037</article-id>
<article-id pub-id-type="doi">10.34631/sporl.2040</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Mastoidectomia via técnica retrógrada - análise retrospetiva de resultados]]></article-title>
<article-title xml:lang="en"><![CDATA[Retrograde Mastoidectomy technique - retrospective analysis of results]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mourão]]></surname>
<given-names><![CDATA[Márcia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quadros]]></surname>
<given-names><![CDATA[Gonçalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodrigues]]></surname>
<given-names><![CDATA[Bárbara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Patrão]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alves]]></surname>
<given-names><![CDATA[António]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Raposo]]></surname>
<given-names><![CDATA[Sérgio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Tondela-Viseu Serviço de Otorrinolaringologia ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2024</year>
</pub-date>
<volume>62</volume>
<numero>1</numero>
<fpage>37</fpage>
<lpage>44</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2184-64992024000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2184-64992024000100037&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2184-64992024000100037&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objetivo:  Análise de resultados de mastoidectomia via técnica retrógrada para extirpação de colesteatoma em adultos.  Métodos:  Estudo retrospetivo dos casos de mastoidectomia via técnica retrógrada realizados no Centro Hospitalar Tondela-Viseu entre Janeiro de 2018 e Dezembro de 2021 com recolha de dados demográficos, tipo de cirurgia, reconstrução da parede póstero-superior do canal, tipo de timpanoplastia, recidiva, tempo de follow-up e resultados audiométricos.  Resultados:  Foram incluídos no estudo 45 ouvidos, 73,3% dos quais correspondeu a cirurgia primária. Foi realizada reconstrução da parede póstero-superior do canal em 37,8% dos ouvidos operados e ossiculoplastia em 73,3%. O ganho no gap aero-ósseo nos doentes em que se realizou reconstrução da parede foi de 9,66dB (vs. 1,91 dB sem reconstrução). Durante o follow-up ocorreu recidiva em 13,3% dos casos.  Conclusões:  Na nossa série esta técnica mostrou ser segura e eficaz na exérese do colesteatoma. A reconstrução da parede do CAE permitiu melhores resultados audiométricos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective:  Analysis of the results of mastoidectomy using the retrograde technique for removal of cholesteatomas in adults.  Methods:  Retrospective analysis of cases of mastoidectomy via retrograde technique performed at Centro Hospitalar Tondela-Viseu between January 2018 and December 2021 with collection of demographic data, type of surgery, reconstruction of the posterosuperior wall of the canal, type of tympanoplasty, recurrence, follow-up time and audiometric results.  Results:  45 ears were included in the study, 73.3% of which corresponded to primary surgery. Reconstruction of the posterosuperior wall of the canal was performed in 37.8% and ossiculoplasty was done in 73.3%. The air-bone gap gain, in patients who underwent wall reconstruction was 9.66dB (vs. 1.91 dB without reconstruction). During follow-up, recurrence occurred in 13.3% of cases.  Conclusions:  In our series, this technique proved to be safe and effective in cholesteatoma excision. Reconstruction of the EAC wall allowed better audiometric results.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Mastoidectomia]]></kwd>
<kwd lng="pt"><![CDATA[técnica retrógrada]]></kwd>
<kwd lng="en"><![CDATA[Mastoidectomy]]></kwd>
<kwd lng="en"><![CDATA[Retrograde technique]]></kwd>
</kwd-group>
</article-meta>
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