2011
DOI: 10.1590/s0004-27302011000300001
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Hipoglicemia hiperinsulinêmica da infância

Abstract: SUMÁRIOA hipoglicemia hiperinsulinêmica da infância (HHI) é uma emergência no período neonatal. Após curtos períodos de jejum, o cérebro ávido por glicose corre o risco de ficar sem seu principal substrato energético. Os critérios de diagnóstico de HH, tanto no período neonatal quanto na criança maior e na adolescência, foram revisados. Foram descritas as etiologias e a fisiopatologia da HHI. As alterações moleculares frequentemente encontradas, bem como a descrição das principais mutações, são abordadas. Arq … Show more

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Cited by 3 publications
(5 citation statements)
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“…Neonatal hypoglycemia is classified into 2 groups: transient (lasting from hours to 3 days) and persistent (lasting longer than 3 days) (SBP, 2022;LIBERATORE JUNIOR and MARTINELLI JUNIOR, 2011). About 50% of cases of neonatal hypoglycemia are classified as transient and asymptomatic, 15% transient symptomatic, 35% associated with other diseases and only 2% are persistent or recurrent (SBP, 2022).…”
Section: Discussionmentioning
confidence: 99%
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“…Neonatal hypoglycemia is classified into 2 groups: transient (lasting from hours to 3 days) and persistent (lasting longer than 3 days) (SBP, 2022;LIBERATORE JUNIOR and MARTINELLI JUNIOR, 2011). About 50% of cases of neonatal hypoglycemia are classified as transient and asymptomatic, 15% transient symptomatic, 35% associated with other diseases and only 2% are persistent or recurrent (SBP, 2022).…”
Section: Discussionmentioning
confidence: 99%
“…Several mutations related to CH are known, so far, they have been described in 9 different genes: inactivating mutations of the ABCC8 and KCNJ11 genes on chromosome 11p15.1 (ROSENFELD et al, 2019); activating mutations of the GCK, GLUD1 and HADH genes (SHAD); SLC16A1 (MCT-1) mutations; UCP2 mutations; mutations of the HNF4A and HNF1A genes, congenital disorders of glycosylation and type 1 tyrosinemia (DEMIRBILEK et al, 2017;SBP, 2022). It may also be related to genetic syndromes: Beckwith-Wiedemann syndrome (SBW), Sotos, Perlman, Simpson-Golabi-Behmel, Patau, Costello, Usher, Timothy, Kabuki, Trisomy 13, Turner mosaic, among others (SBP, 202;ROSENFELD et al, 2019;LIBERATORE JUNIOR and MARTINELLI JUNIOR, 2011). Mutations of the ABCC8 and KCNJ11 genes are responsible for about 50% of cases of permanent CH, and of these about 80% do not respond to treatment with diazoxide (SBP, 2022).…”
Section: Discussionmentioning
confidence: 99%
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“…In general, mutations were detected in 63% of the series, most of them occurring in the two genes coding for the proteins SUR 1 and Kir6.2, responsible for the functioning of the ATP-dependent potassium channel [ 39 ].…”
Section: Discussionmentioning
confidence: 99%
“…Esses são, muitas vezes, a causa de agravos metabólicos em RN; configuram fatores de risco de mortalidade infantil e estão relacionados com agravamento de lesões cerebrais. O aporte insatisfatório de nutrientes e de dispensação das reservas de glicose existentes ocasionam a hipoglicemia, comprometendo o desenvolvimento adequado dos neonatos (5) . A hiperglicemia ocorre em 20% a 85% dos RN e não há um consenso sobre a sua exata definição.…”
Section: Introductionunclassified