<?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>0872-0754</journal-id>
<journal-title><![CDATA[Nascer e Crescer]]></journal-title>
<abbrev-journal-title><![CDATA[Nascer e Crescer]]></abbrev-journal-title>
<issn>0872-0754</issn>
<publisher>
<publisher-name><![CDATA[Centro Hospitalar do Porto]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-07542023000100031</article-id>
<article-id pub-id-type="doi">10.25753/birthgrowthmj.v32.i1.25449</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Effect of methylphenidate in a child with pica and attention-deficit/hyperactivity disorder]]></article-title>
<article-title xml:lang="pt"><![CDATA[Efeito do metilfenidato numa criança com pica e perturbação de hiperatividade e défice de atenção]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Branco]]></surname>
<given-names><![CDATA[Maria Castello]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Hospitalar Universitário de Lisboa Central Hospital Dona Estefânia Department of Child and Adolescent Psychiatry]]></institution>
<addr-line><![CDATA[Lisboa ]]></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>32</volume>
<numero>1</numero>
<fpage>31</fpage>
<lpage>33</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-07542023000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-07542023000100031&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-07542023000100031&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Pica and attention-deficit/hyperactivity disorder (ADHD) comorbidity has rarely been described in the literature. It has been suggested that pica and ADHD may share some neurobiological ground and that methylphenidate may be a reasonable treatment option for these patients.  Case report:  Herein is reported the case of an eight-year-old boy with pica and ADHD who was successfully treated with methylphenidate. Notably, both disorders relapsed when methylphenidate was discontinued, with symptom control regained after its reintroduction.  Discussion:  ADHD and pica may share features such as poor impulse control and dopaminergic system dysfunction, with several studies suggesting that dopamine may be the implicated neurotransmitter.  Conclusion:  This case report adds to the existing body of evidence suggesting that methylphenidate is effective in pica and AHDH comorbidity. Nevertheless, there is a need for further research to better understand the effects of methylphenidate on pica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  A comorbilidade entre pica e perturbação de hiperatividade e défice de atenção (PHDA) tem sido raramente descrita na literatura. Tem sido sugerido que a pica e a PHDA podem partilhar algumas bases neurobiológicas e que o metilfenidato pode ser uma opção terapêutica nestes casos.  Caso clínico:  É descrito o caso de um rapaz de oito anos com pica e PHDA tratado com metilfenidato com sucesso. Notavelmente, houve uma recidiva de ambas as perturbações quando o metilfenidato foi descontinuado, com novo controlo sintomático após a sua reintrodução.  Discussão:  A PHDA e a pica podem ter uma associação através de dificuldades no controlo dos impulsos e disfunção do sistema dopaminérgico, com vários estudos a sugerir que a dopamina é o neurotransmissor envolvido.  Conclusão:  Os resultados deste estudo corroboram a evidência que sugere que o metilfenidato pode ser eficaz nesta comorbilidade. No entanto, são necessários mais estudos para compreender melhor os efeitos do metilfenidato na pica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[attention-deficit/hyperactivity disorder]]></kwd>
<kwd lng="en"><![CDATA[child]]></kwd>
<kwd lng="en"><![CDATA[methylphenidate]]></kwd>
<kwd lng="en"><![CDATA[pica]]></kwd>
<kwd lng="pt"><![CDATA[criança]]></kwd>
<kwd lng="pt"><![CDATA[metilfenidato]]></kwd>
<kwd lng="pt"><![CDATA[perturbação de hiperatividade e défice de atenção]]></kwd>
<kwd lng="pt"><![CDATA[pica]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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