<?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>2183-1351</journal-id>
<journal-title><![CDATA[Acta Radiológica Portuguesa]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Radiol Port]]></abbrev-journal-title>
<issn>2183-1351</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Radiologia e Medicina Nuclear]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2183-13512025000200004</article-id>
<article-id pub-id-type="doi">10.25748/arp.40621</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[O Papel do Radiologista em Permanência Física no Período Noturno num Hospital Central]]></article-title>
<article-title xml:lang="en"><![CDATA[The Role of the Radiologist with On Site Presence in the Night Shift in a Central Hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gama]]></surname>
<given-names><![CDATA[Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[Nuno]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Donato]]></surname>
<given-names><![CDATA[Paulo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidade de Coimbra Faculdade de Medicina ]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Unidade Local de Saúde de Coimbra Serviço de Imagem Médica ]]></institution>
<addr-line><![CDATA[Coimbra ]]></addr-line>
<country>Portugal</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2025</year>
</pub-date>
<volume>37</volume>
<numero>2</numero>
<fpage>4</fpage>
<lpage>10</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S2183-13512025000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S2183-13512025000200004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S2183-13512025000200004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução: Este estudo teve como objetivo a análise do papel do radiologista em permanência física noturna no Serviço de Urgência de um hospital central, avaliando o impacto dos exames ecográficos na orientação dos doentes, particularmente no que se refere à possibilidade de evitar a realização de tomografia computorizada.  Métodos: Estudo observacional e retrospetivo que analisou os exames ecográficos de 300 doentes consecutivos que recorreram ao serviço de urgência entre as 20 horas e as 8 horas da manhã, no período de 1 a 17 de novembro de 2023. Foram consideradas as variáveis: sexo, idade, data de admissão, motivo de ida ao serviço de urgência, triagem, encaminhamento de outro hospital, motivo para realização de ecografia, tipo de ecografia, diagnóstico ecográfico, tempo entre o pedido do exame e a sua realização, tempo entre a realização do exame e as 8 horas da manhã, orientação após a ecografia, outros exames imagiológicos, diagnóstico final, orientação final do doente, readmissão no serviço de urgência.  Resultados:  Foram realizadas 384 ecografias que permitiram orientar ou excluir patologia em 91,7% dos doentes. Os restantes doentes realizaram tomografia computorizada para melhor esclarecimento do quadro, totalizando 29 exames. Assistiu-se a uma taxa de readmissão de 7,5%, considerando doentes apenas sujeitos a avaliação ecográfica na sua primeira ida ao serviço de urgência.  Conclusão: Foi potencialmente evitada a realização de um número significativo de tomografias computorizadas devido ao acesso aos exames ecográficos durante o período noturno, o que agilizou a orientação dos doentes e minimizou riscos desnecessários, como a exposição a doses elevadas de radiação ionizante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  The aim of this study was to understand the role of the radiologist on-site at night in the emergency department of a central hospital, by analysing the impact of ultrasound examinations on patient management, in particular whether they made it possible to avoid the need for computed tomography.  Methods:  An observational, retrospective study analysing the ultrasound scans of 300 consecutive patients who visited the emergency department between 8pm and 8am from 1 to 17 November 2023. The following variables were taken into account: gender, age, date of admission, reason for going to the emergency department, triage, referral from another hospital, reason for having the ultrasound, type of ultrasound, ultrasound diagnosis, time between requesting the test and it being carried out, time between the test being carried out and 8am, orientation after the ultrasound, other imaging tests, final diagnosis, final orientation of the patient, readmission to the emergency department.  Results:  A total of 384 ultrasound scans were carried out, which made it possible to orientate or exclude pathology in 91.7% of patients. The remaining patients underwent CT scans to better clarify their condition, totaling 29 exams. There was a readmission rate of 7.5%, considering patients who only underwent an ultrasound assessment on their first visit to the emergency department.  Conclusion: A potential considerable number of CT scans were avoided thanks to access to ultrasound examinations at night, speeding up patient guidance and minimizing unnecessary risks such as high doses of ionizing radiation.]]></p></abstract>
<kwd-group>
<kwd lng="pt"><![CDATA[Radiologistas]]></kwd>
<kwd lng="pt"><![CDATA[Trabalho noturno]]></kwd>
<kwd lng="pt"><![CDATA[Ecografia]]></kwd>
<kwd lng="pt"><![CDATA[Serviço hospitalar de emergência.]]></kwd>
<kwd lng="en"><![CDATA[Radiologists]]></kwd>
<kwd lng="en"><![CDATA[Night shift work]]></kwd>
<kwd lng="en"><![CDATA[Ultrasound imaging]]></kwd>
<kwd lng="en"><![CDATA[Emergency department.]]></kwd>
</kwd-group>
</article-meta>
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