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<front>
<journal-meta>
<journal-id pub-id-type="pid">S1017-854619950001</journal-id>
<journal-title>Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera</journal-title>
<abbrev-journal-title>Rev. méd. Hosp. Nac. Niños (Costa Rica)</abbrev-journal-title>
<issn>1017-8546</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1017-85461995000100001</article-id>
<title-group>
<article-title xml:lang="es">Hallazgo de una deleción en el brazo largo del cromosoma 22, en un paciente con problemas de lenguaje y de conducta</article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname>Sánchez</surname>
<given-names>Mª Adilia</given-names>
</name>
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</contrib>
<contrib contrib-type="author">
<name>
<surname>Venegas</surname>
<given-names>Patricia</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname>Rivera</surname>
<given-names>Julio</given-names>
</name>
<xref ref-type="aff" rid="A01"/>
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</contrib-group>
<aff id="A01">
<institution>,Hospital Nacional de Niños Dr. Carlos Sáenz Herrera Sección de Citogenética </institution>
<addr-line> </addr-line>
</aff>
<pub-date pub-type="pub">
<year>1995</year>
</pub-date>
<pub-date pub-type="epub">
<year>1995</year>
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<volume>30</volume>
<fpage>5</fpage>
<lpage>8</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1017-85461995000100001&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1017-85461995000100001&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1017-85461995000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Se presenta el estudio citogenético de un paciente masculino de 6 años de edad sin historia familiar de retardo mental ni consanguinidad, con serios problemas de lenguaje. En el estudio citogenético en sangre periférica se encontró una deleción terminal en el brazo largo del cromosoma 22 a nivel 22q--- qter. Se presenta revisión de la literatura y se discute la importancia de la realización del cariotipo en pacientes que, aunque no evidencian razgos clínicos característicos de alguna patología, sí manifiestan alteraciones que obligan a sospecharla.</p></abstract>
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<front>
<journal-meta>
<journal-id pub-id-type="pid">S1017-854619950001</journal-id>
<journal-title>Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera</journal-title>
<abbrev-journal-title>Rev. méd. Hosp. Nac. Niños (Costa Rica)</abbrev-journal-title>
<issn>1017-8546</issn>
<publisher>
<publisher-name>Editorial Nacional de Salud y Seguridad Social</publisher-name>
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<article-meta>
<article-id>S1017-85461995000100002</article-id>
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<article-title xml:lang="es">Determinación de la actividad de la fructosa 1,6 difosfatasa en leucocitos</article-title>
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<fpage>9</fpage>
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<copyright-statement/>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1017-85461995000100002&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1017-85461995000100002&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1017-85461995000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>En el presente estudio se estandariza la técnica para la determinación de la actividad de la enzima fructosa 1,6 difosfatasa en leucocitos aislados de sangre periférica, dicha enzima es de gran importancia en el proceso de la gluconeogénesis, su deficiencia es causada por un desorden metabólico de origen primario, autosómico, recesivo, que se manifiesta principalmente con hipoglicemia y acidosis metabólica. Proponemos un método diferente al tradicional de detección que se basa en el análisis enzimático realizado en biopsias de hígado. Los valores de la actividad catalítica específica en adultos sanos obtenidos por la técnica utilizada en este estudio, comparados con los de otros autores, demuestran que mediante la metodología estandarizada en este trabajo se detecta una mayor actividad enzimática.</p></abstract>
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<front>
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<journal-title>Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera</journal-title>
<abbrev-journal-title>Rev. méd. Hosp. Nac. Niños (Costa Rica)</abbrev-journal-title>
<issn>1017-8546</issn>
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<article-id>S1017-85461995000100004</article-id>
<title-group>
<article-title xml:lang="es">Fungemia por Trichosporon beigelii: reporte del primer caso en Costa Rica</article-title>
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<name>
<surname>Herrera</surname>
<given-names>Marco L</given-names>
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<aff id="A01">
<institution>,Hospital Nacional de Niños Dr. Carlos Sáenz Herrera Laboratorio Clínico </institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<year>1995</year>
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<pub-date pub-type="epub">
<year>1995</year>
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<volume>30</volume>
<fpage>27</fpage>
<lpage>30</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1017-85461995000100004&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1017-85461995000100004&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1017-85461995000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Se reporta el primer caso en Costa Rica, de fungemia por Trichosporon beigelii, en un niño de 7 años, con leucemia mielocítica aguda y que ingresa a la Unidad de Cuidado Intensivo del Hospital Nacional de Niños &quot;Dr. Carlos Sáenz Herrera&quot; con sangrado gastrointestinal y cuadro febril. De los catéteres y de tres hemocultivos se aisla Trichosporon beigelii resistente a Anfotericina B. Tiene evolución rápida y fallece.</p></abstract>
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<journal-id pub-id-type="pid">S1017-854619950001</journal-id>
<journal-title>Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera</journal-title>
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<issn>1017-8546</issn>
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<institution>,Hospital Nacional de Niños Dr. Carlos Sáenz Herrera Laboratorio Clínico </institution>
<addr-line>San José </addr-line>
<country>Costa Rica</country>
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<aff id="A02">
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<copyright-statement/>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1017-85461995000100005&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1017-85461995000100005&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1017-85461995000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Se presenta en este informe los casos en los cuales se relaciona la presencia de eosinófilos en moco nasal, con agentes micóticos, produciendo posibles patologías en las vías respiratorias superiores. Los pacientes fueron estudiados en la consulta de alergología del Hospital Nacional de Niños, por presentar rinitis alérgica o asma bronquial de origen desconocido. A estos pacientes se les solicita el estudio de eosinófilos en moco nasal y además la misma secreción fue cultivada por hongos. En las edades comprendidas entre los 6 y los 9 años, se obtuvo el mayor número de casos positivos en cuyos diagnósticos predominaba la rinitis alérgica, siendo Candida albicans y Penicillium sp. los agentes etiológicos más frecuentemente encontrados.</p></abstract>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1017-85461995000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1017-85461995000100006&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1017-85461995000100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Se reporta por primera vez en Costa Rica, la presencia de Neisseria meningitidis serogrupo B con altos niveles de resistencia a la penicilina, con una concentración mínima inhibitoria de 4,0 ug/ml.</p></abstract>
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<journal-title>Revista Médica del Hospital Nacional de Niños Dr. Carlos Sáenz Herrera</journal-title>
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<self-uri xlink:href="http:/www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1017-85461995000100007&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1017-85461995000100007&amp;lng=en&amp;nrm=iso&amp;tlng=en"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1017-85461995000100007&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p>Ante el uso de inhibidores suicidas unidos a antibióticos B-lactámicos, consideramos interesantes estudiar 115 cepas de bacilos Gram-negativo, observando su sensibilidad al antibiótico solo y también al antibiótico más el inhibidor suicida. No se obtuvo el incremento de la sensibilidad esperada. Se presentan los resultados obtenidos con siete diferentes especies de bacilos Gram-negativo.</p></abstract>
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