<?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>0016-3813</journal-id>
<journal-title><![CDATA[Gaceta médica de México]]></journal-title>
<abbrev-journal-title><![CDATA[Gac. Méd. Méx]]></abbrev-journal-title>
<issn>0016-3813</issn>
<publisher>
<publisher-name><![CDATA[Academia Nacional de Medicina de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0016-38132023000200119</article-id>
<article-id pub-id-type="doi">10.24875/gmm.22000304</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Resultados de una década de queratoplastia óptica en pacientes pediátricos]]></article-title>
<article-title xml:lang="en"><![CDATA[Results of one decade of optical keratoplasty in pediatric patients]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales-Flores]]></surname>
<given-names><![CDATA[Norma]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Murillo-López]]></surname>
<given-names><![CDATA[Ana P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pedro-Aguilar]]></surname>
<given-names><![CDATA[Lucero]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Graue-Hernández]]></surname>
<given-names><![CDATA[Enrique O.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Navas]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto de Oftalmología Conde de Valenciana Departamento de Córnea y Cirugía Refractiva ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Oftalmología Conde de Valenciana Banco de Ojos ]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>159</volume>
<numero>2</numero>
<fpage>119</fpage>
<lpage>124</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0016-38132023000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0016-38132023000200119&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0016-38132023000200119&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: La queratoplastia en población pediátrica ha sido considerada un procedimiento de alto riesgo.  Objetivo:  Conocer datos demográficos de pacientes menores de 18 años tratados con queratoplastia óptica, indicaciones de la cirugía y sus resultados.  Material y métodos: Se realizó un estudio retrospectivo en el Instituto de Oftalmología Conde de Valenciana, en el que se revisaron expedientes de pacientes menores de 18 años tratados con queratoplastia óptica de 2009 a 2019.  Resultados: Un total de 53 ojos fueron incluidos. El diagnóstico y el procedimiento más comunes fueron el queratocono y la queratoplastia penetrante. El promedio de agudeza visual inicial fue de 2.05 ± 0.99 logMAR y en la última visita, 0.82 ± 1.33. El tiempo de supervivencia del injerto fue de 130.34 meses. Se registraron cuatro fallas. En cuanto a las cirugías asociadas, antes del trasplante se registró cierre de herida corneal en siete ojos y durante la queratoplastia, vitrectomía anterior en dos ojos y después del trasplante, implante de válvula de Ahmed y resutura. Un total de ocho ojos tuvieron glaucoma, cinco con diagnóstico antes del trasplante. Respecto al rechazo, 15 ojos tuvieron un episodio durante el seguimiento y el tiempo promedio de rechazo al trasplante fue de 10.8 meses.  Conclusión: Se puede lograr una supervivencia prolongada del injerto con el mejor conocimiento y manejo de los diferentes factores asociados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: Keratoplasty in the pediatric population has been considered a high-risk procedure.  Objective: To know the demographic data of patients younger than 18 years treated with optical keratoplasty, indications for surgery and its results.  Material and methods: A retrospective study was carried out at Conde de Valenciana Ophthalmology Institute, in which the medical records of patients younger than 18 years treated with optical keratoplasty from 2009 to 2019 were analyzed.  Results: A total of 53 eyes were included. The most common diagnosis and procedure were keratoconus and penetrating keratoplasty, respectively. Mean initial visual acuity was 2.05 ± 0.99 logMAR, and 0.82 ± 1.33 at last visit. Survival time was 130.34 months. Four failures were recorded. As for associated surgeries, corneal wound closure was recorded in seven eyes prior to transplant; during the keratoplasty procedure, anterior vitrectomy in two eyes, and after the transplant, Ahmed valve implantation and re-suture. A total of eight eyes had glaucoma, five of them diagnosed prior to transplantation. Regarding rejection, 15 eyes had an episode during follow-up, and mean time to transplant rejection was 10.8 months.  Conclusion:  Prolonged graft survival can be achieved with better knowledge and management of different associated factors.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Córnea]]></kwd>
<kwd lng="es"><![CDATA[Niños]]></kwd>
<kwd lng="es"><![CDATA[Oftalmología]]></kwd>
<kwd lng="es"><![CDATA[Queratocono]]></kwd>
<kwd lng="es"><![CDATA[Queratoplastia]]></kwd>
<kwd lng="en"><![CDATA[Cornea]]></kwd>
<kwd lng="en"><![CDATA[Children]]></kwd>
<kwd lng="en"><![CDATA[Ophthalmology]]></kwd>
<kwd lng="en"><![CDATA[Keratoconus]]></kwd>
<kwd lng="en"><![CDATA[Keratoplasty]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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