<?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>S2184-64992023000100031</article-id>
<article-id pub-id-type="doi">10.34631/sporl.1065</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Prevalência e características de SAOS Posicional, um estudo retrospetivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence and characteristics of Positional OSA, a retrospective study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pedro]]></surname>
<given-names><![CDATA[Ricardo São]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferreira]]></surname>
<given-names><![CDATA[Filipa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[Cláudia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Teixeira]]></surname>
<given-names><![CDATA[Henrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rosa]]></surname>
<given-names><![CDATA[Helena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[Mário]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Antunes]]></surname>
<given-names><![CDATA[Luís]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Garcia de Orta  ]]></institution>
<addr-line><![CDATA[Almada ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2023</year>
</pub-date>
<volume>61</volume>
<numero>1</numero>
<fpage>31</fpage>
<lpage>38</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2184-64992023000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2184-64992023000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2184-64992023000100031&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Objetivos:  Comparar a prevalência de SAOS Posicional (SAOS-P) com base em diferentes definições e identificar os principais fatores independentemente associados com SAOS-P e SAOS-P exclusiva (SAOS-Pe).  Desenho do Estudo:  Estudo retrospetivo. Material e Métodos: Análise do registo de polissonografia (PSG) tipo 3 de doentes adultos realizadas entre 2020 e 2021 no Serviço de Otorrinolaringologia do Hospital Garcia de Orta. Definiu-se SAOS-P pelos critérios de APOC e a SAOS-Pe foi definida como APOC I.  Resultados:  Foram avaliadas 245 PSG, onde se verificou uma idade média de 57 anos e 64,9% de doentes do género masculino. A prevalência de SAOS-P foi de 55,5%, 38% dos quais apresentava SAOS-Pe. Os doentes com SAOS-P eram mais novos (OR=0,971), dormiram maioritariamente em posição supina (OR=1,031), tinham menor Índice de Massa Corporal (IMC) (OR=0,882), Índice de Apneia/Hipopneia (IAH), índice de dessaturação de oxigénio (OR=0,964), média da queda de dessaturação, e menor tempo de roncopatia (p&lt;0,05). Os fatores preditores de SAOS-Pe mais significativos foram um menor índice de dessaturação de oxigénio (OR=0,879) e maior tempo em posição supina (OR=1,031).  Conclusões:  Os doentes com SAOS-P e SAOS-Pe são mais novos, menos obesos e apresentam quadros menos graves, sendo respetivamente candidatos a melhoria ou resolução da sua doença com recurso a posicionadores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objectives:  To compare the prevalence of Positional Obstructive Sleep Apnea (P-OSA) based on different definitions and to identify the main factors independently associated with P-OSA and exclusive POSA (Pe-OSA).  Study Design:  Retrospective study. Material and Methods: Analysis of the type 3 polysomnography (PSG) recordings of adult patients performed between 2020 and 2021 at the Otorhinolaryngology Department of Hospital Garcia de Orta. P-OSA was defined by APOC criteria and Pe-OSA was defined as APOC I.  Results:  245 PSG were evaluated, with a mean age of 57 years and 64.9% of male patients. The prevalence of P-OSA was 55.5%, 38% of whom had Pe-OSA. Patients with P-OSA were younger (OR=0.971), slept mostly in the supine position (OR=1.031), had lower Body Mass Index (BMI) (OR=0.882), Apnea/Hypopnea Index (AHI), oxygen desaturation index (OR=0.964), mean desaturation drop, and shorter snoring time (p&lt;0.05). The most significant predictors of Pe-OSA were a lower oxygen desaturation index (OR=0.879) and longer time in the supine position (OR=1.031).  Conclusions:  Patients with P-OSA and Pe-OSA are younger, less obese and have less severe conditions, being respectively candidates for improvement or resolution of their disease using positioners.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Síndrome de Apneia Obstrutiva do Sono]]></kwd>
<kwd lng="pt"><![CDATA[SAOS]]></kwd>
<kwd lng="pt"><![CDATA[Posicional]]></kwd>
<kwd lng="en"><![CDATA[Obstructive sleep apnea]]></kwd>
<kwd lng="en"><![CDATA[OSA]]></kwd>
<kwd lng="en"><![CDATA[Positional]]></kwd>
</kwd-group>
</article-meta>
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