<?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>1665-1146</journal-id>
<journal-title><![CDATA[Boletín médico del Hospital Infantil de México]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Med. Hosp. Infant. Mex.]]></abbrev-journal-title>
<issn>1665-1146</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud, Hospital Infantil de México Federico Gómez]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-11462019000200087</article-id>
<article-id pub-id-type="doi">10.24875/bmhim.19000124</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características otorrinolaringológicas en niños con trisomía 21: un estudio de 171 pacientes en el Hospital Infantil de México Federico Gómez]]></article-title>
<article-title xml:lang="en"><![CDATA[Otolaryngological features in children with trisomy 21: a study of 171 patients at the Hospital Infantil de México Federico Gómez]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Peraza]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torre]]></surname>
<given-names><![CDATA[Carlos De La]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez]]></surname>
<given-names><![CDATA[Alicia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villamor]]></surname>
<given-names><![CDATA[Perla]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Infantil de México Federico Gómez Servicio de Otorrinolaringología Pediátrica ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2019</year>
</pub-date>
<volume>76</volume>
<numero>2</numero>
<fpage>87</fpage>
<lpage>94</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-11462019000200087&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-11462019000200087&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-11462019000200087&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  Los niños con trisomía 21 enfrentan una amplia gama de problemas en la región de la cabeza y el cuello, por lo cual es importante reconocer las manifestaciones otorrinolaringológicas que presentan, así como su apropiado manejo.  Métodos:  Estudio de serie de casos retrospectivo de pacientes pediátricos con trisomía 21. De cada caso se analizó el espectro de manifestaciones otorrinolaringológicas, el manejo establecido y los resultados.  Resultados:  Se incluyeron 171 niños. La edad media de la primera valoración por otorrinolaringología en la institución fue de 7.2 ± 4.2 años. Las manifestaciones otológicas más frecuentes fueron la estenosis del conducto auditivo externo y la disfunción de la trompa de Eustaquio. Más de la mitad de los pacientes (63 %) presentaron hipoacusia, principalmente de tipo conductivo bilateral, y hasta el 75 % de los pacientes con afectación otológica requirieron algún procedimiento quirúrgico. Las manifestaciones rinológicas más comunes fueron la rinosinusitis crónica y la rinitis alérgica. La apnea obstructiva del sueño estuvo presente en el 30% de los pacientes. El tratamiento principal fue la amigdalectomía, seguida del tratamiento con dispositivos de presión positiva de la vía aérea. Menos del 5 % de los pacientes presentaron un compromiso laríngeo.  Conclusiones: Los pacientes pediátricos con trisomía 21 deben ser remitidos sistemáticamente a una evaluación otorrinolaringológica periódica, debido a la alta incidencia de manifestaciones en esta región. Se deben ofrecer tratamientos oportunos para mejorar su salud y calidad de vida.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Children with trisomy 21 face a wide range of conditions in the head and neck region, for which it is important that physicians are aware and have a strong understanding of the ear, nose, and throat (ENT) disorders, and their management as well.  Methods:  Retrospective case series of pediatric patients with trisomy 21. The spectrum of otolaryngological manifestations, their management, and outcomes of each case were analysed.  Results: One hundred and seventeen pediatric patients were included. The mean age was 7.2 ± 4.2 years. More than half of the patients (63 %) had hearing loss (HL). The most frequent presentation was conductive HL, predominating the mild and bilateral type. The most common otological manifestations found were external ear canal stenosis and Eustachian tube dysfunction. Up to 75 % of the patients with otologic involvement required some surgical procedure. The most common rhinological manifestations were chronic rhinosinusitis and allergic rhinitis. Obstructive sleep apnea (OSA) was present in 30% of all patients, which main treatment was tonsillectomy, followed by continuous positive and biphasic positive airway pressure treatments. Less than 5 % of the patients presented a laryngeal compromise.  Conclusions:  Pediatric patients with trisomy 21 systematically should be referred to periodic ENT assessment due to the high incidence of manifestations in this region. Timely treatments should be offered in order to improve the health and the quality of life of the patient.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Trisomía 21]]></kwd>
<kwd lng="es"><![CDATA[Síndrome de down]]></kwd>
<kwd lng="es"><![CDATA[Niños]]></kwd>
<kwd lng="es"><![CDATA[Otorrinolaringología]]></kwd>
<kwd lng="en"><![CDATA[Trisomy 21]]></kwd>
<kwd lng="en"><![CDATA[Down syndrome]]></kwd>
<kwd lng="en"><![CDATA[Children]]></kwd>
<kwd lng="en"><![CDATA[Otolaryngology]]></kwd>
</kwd-group>
</article-meta>
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