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1.
Arch. pediatr. Urug ; 94(2): e214, 2023. tab
Article in Spanish | LILACS, UY-BNMED, BNUY | ID: biblio-1520114

ABSTRACT

Introducción: la hipoglicemia neonatal es un trastorno metabólico frecuente en neonatos, con mayor incidencia en aquellos con factores de riesgo como ser hijos de madre diabética, pequeño para la edad gestacional y pretérmino tardíos. Material y métodos: se realizó un ensayo analítico aleatorizado, controlado por placebo para evaluar la eficacia de la administración de gel de dextrosa al 40% para la prevención de hipoglicemia neonatal en esta población. Se reclutaron un total de 120 pacientes. Resultados: se encontró una menor incidencia de hipoglicemia neonatal al compararla con la incidencia reportada en la literatura internacional. No se encontraron diferencias estadísticamente significativas en cuanto al número de ingresos a áreas de internación para tratamiento de hipoglicemia ni en la alimentación a pecho directo exclusivo al alta entre los grupos. Conclusiones: el gel de dextrosa al 40% en recién nacidos podría ser un tratamiento alternativo para profilaxis de hipoglicemia en recién nacidos con factores de riesgo.


Introduction: neonatal hypoglycemia is a frequent metabolic disorder in neonates, with a higher incidence in those with risk factors such as being children of diabetic mothers, small for gestational age, and late preterm. Methodology: a randomized, placebo controlled analytic trial was conducted to evaluate the efficacy of 40% dextrose gel administration for the prevention of neonatal hypoglycemia in this population. A total of 120 patients were recruited. Results: a lower incidence of neonatal hypoglycemia was found when compared to the incidence reported in the international literature. No statistically significant differences were found in terms of the number of admissions to inpatient areas for hypoglycemia treatment or exclusive direct breastfeeding at discharge between the groups. Conclusions: 40% dextrose gel in newborns could be an alternative treatment for hypoglycemia prophylaxis in newborns with risk factors.


Introdução: a hipoglicemia neonatal é um disturbio metabólico comum em neonatos, com maior incidencia naqueles que apresentam fatores de risco, tais como filhos de mães diabéticas, pequenos para a idade gestacional e prematuros tardios. Metodologia: foi realizado um ensaio analítico randomizado e controlado por placebo para avaliar a eficácia da administração de gel de dextrose a 40% para prevenção de hipoglicemia neonatal nesta população. Um total de 120 pacientes foram recrutados. Resultados: foi encontrada menor incidência de hipoglicemia neonatal quando comparada com a incidência relatada na literatura internacional. Não foram encontradas diferenças estatisticamente significativas relativas ao número de internações em áreas de internação para tratamento de hipoglicemia ou aleitamento materno direto exclusivo para descarga entre os grupos. Conclusões: o gel de dextrose a 40% em recém nascidos pode ser uma alternativa de tratamento para profilaxia de hipoglicemia em recém nascidos com fatores de risco.


Subject(s)
Humans , Male , Female , Infant, Newborn , Congenital Hyperinsulinism/prevention & control , Glucose/therapeutic use , Double-Blind Method , Risk Factors , Congenital Hyperinsulinism/blood
2.
Endocr J ; 60(4): 403-8, 2013.
Article in English | MEDLINE | ID: mdl-23197114

ABSTRACT

Beckwith-Wiedemann syndrome (BWS) is the most common congenital overgrowth syndrome involving tumor predisposition. BWS is caused by various epigenetic or genetic alterations that disrupt the imprinted genes on chromosome 11p15.5 and the clinical findings of BWS are highly variable. Hyperinsulinemic hypoglycemia is reported in about half of all babies with BWS. We identified an infant with diazoxide-unresponsive congenital hyperinsulinism (HI) without any apparent clinical features suggestive of BWS, but diagnosed BWS by molecular testing. The patient developed severe hyperinsulinemic hypoglycemia within a few hours after birth, with macrosomia and mild hydronephrosis. We excluded mutations in the K(ATP) channel genes on chromosome 11p15.1, but found a rare homozygous single nucleotide polymorphism (SNP) of ABCC8. Parental SNP pattern suggested paternal uniparetal disomy in this region. By microsatellite marker analysis on chromosome 11p15, we could diagnose BWS due to the mosaic of paternal uniparental disomy. Our case suggests that some HI of unknown genetic etiology could involve undiagnosed BWS with no apparent clinical features, which might be diagnosed only by molecular testing.


Subject(s)
Beckwith-Wiedemann Syndrome/diagnosis , Uniparental Disomy/diagnosis , ATP-Binding Cassette Transporters/chemistry , ATP-Binding Cassette Transporters/genetics , Beckwith-Wiedemann Syndrome/drug therapy , Beckwith-Wiedemann Syndrome/genetics , Beckwith-Wiedemann Syndrome/physiopathology , Chromosomes, Human, Pair 11/genetics , Congenital Hyperinsulinism/genetics , Congenital Hyperinsulinism/prevention & control , Drug Monitoring , Female , Humans , Hydronephrosis/etiology , Hydronephrosis/prevention & control , Hypoglycemia/etiology , Hypoglycemia/prevention & control , Infant, Newborn , Insulin Antagonists/administration & dosage , Insulin Antagonists/therapeutic use , Mosaicism , Octreotide/administration & dosage , Octreotide/therapeutic use , Polymorphism, Single Nucleotide , Potassium Channels, Inwardly Rectifying/chemistry , Potassium Channels, Inwardly Rectifying/genetics , Receptors, Drug/chemistry , Receptors, Drug/genetics , Severity of Illness Index , Sulfonylurea Receptors , Treatment Outcome , Uniparental Disomy/genetics , Uniparental Disomy/physiopathology
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