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- Birkebaek, N. H., et al.
(författare)
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Impact of the COVID-19 pandemic on long-term trends in the prevalence of diabetic ketoacidosis at diagnosis of paediatric type 1 diabetes: an international multicentre study based on data from 13 national diabetes registries
- 2022
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Ingår i: Lancet Diabetes & Endocrinology. - : Elsevier BV. - 2213-8587. ; 10:11, s. 786-794
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Tidskriftsartikel (refereegranskat)abstract
- Background An increased prevalence of diabetic ketoacidosis at diagnosis of type 1 diabetes in children was observed in various diabetes centres worldwide during the COVID-19 pandemic. We aimed to evaluate trends in the prevalence of diabetic ketoacidosis at diagnosis of paediatric type 1 diabetes before and during the COVID-19 pandemic, and to identify potential predictors of changes in diabetic ketoacidosis prevalence during the pandemic.Methods For this international multicentre study, we used data from 13 national diabetes registries (Australia, Austria, Czechia, Denmark, Germany, Italy, Luxembourg, New Zealand, Norway, Slovenia, Sweden, USA [Colorado], and Wales). The study population comprised 104 290 children and adolescents aged 6 months to younger than 18 years, who were diagnosed with type 1 diabetes between Jan 1, 2006, and Dec 31, 2021. The observed diabetic ketoacidosis prevalence in 2020 and 2021 was compared to predictions based on trends over the pre-pandemic years 2006-19. Associations between changes in diabetic ketoacidosis prevalence and the severity of the COVID-19 pandemic and containment measures were examined with excess all-cause mortality in the whole population and the Stringency Index from the Oxford COVID-19 Government Response Tracker.Findings 87 228 children and adolescents were diagnosed with type 1 diabetes between 2006 and 2019, 8209 were diagnosed in 2020, and 8853 were diagnosed in 2021. From 2006 to 2019, diabetic ketoacidosis at diagnosis of type 1 diabetes was present in 23 775 (27middot3%) of 87 228 individuals and the mean annual increase in the prevalence of diabetic ketoacidosis in the total cohort from 2006 to 2019 was 1middot6% (95% CI 1middot3 to 1middot9). The adjusted observed prevalence of diabetic ketoacidosis at diagnosis of type 1 diabetes was 39middot4% (95% CI 34middot0 to 45middot6) in 2020 and 38middot9% (33middot6 to 45middot0) in 2021, significantly higher than the predicted prevalence of 32middot5% (27middot8 to 37middot9) for 2020 and 33middot0% (28middot3 to 38middot5) for 2021 (p<0middot0001 for both years). The prevalence of diabetic ketoacidosis was associated with the pandemic containment measures, with an estimated risk ratio of 1middot037 (95% CI 1middot024 to 1middot051; p<0middot0001) per ten-unit increase in the Stringency Index for 2020 and 1middot028 (1middot009 to 1middot047; p=0middot0033) for 2021, but was not significantly associated with excess all-cause mortality.Interpretation During the COVID-19 pandemic, there was a marked exacerbation of the pre-existing increase in diabetic ketoacidosis prevalence at diagnosis of type 1 diabetes in children. This finding highlights the need for early and timely diagnosis of type 1 diabetes in children and adolescents.Funding German Federal Ministry for Education and Research, German Robert Koch Institute, German Diabetes Association, German Diabetes Foundation, Slovenian Research Agency, Welsh Government, Central Denmark Region, and Swedish Association of Local Authorities and Regions.Copyright (c) 2022 Elsevier Ltd. All rights reserved.
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- McClenaghan, C, et al.
(författare)
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Sulfonylurea-Insensitive Permanent Neonatal Diabetes Caused by a Severe Gain-of-Function Tyr330His Substitution in Kir6.2
- 2022
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Ingår i: Hormone research in paediatrics. - : S. Karger AG. - 1663-2826 .- 1663-2818. ; 95:3, s. 215-223
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Tidskriftsartikel (refereegranskat)abstract
- <b><i>Background/Aims:</i></b> Mutations in <i>KCNJ11</i>, the gene encoding the Kir6.2 subunit of pancreatic and neuronal K<sub>ATP</sub> channels, are associated with a spectrum of neonatal diabetes diseases. <b><i>Methods:</i></b> Variant screening was used to identify the cause of neonatal diabetes, and continuous glucose monitoring was used to assess effectiveness of sulfonylurea treatment. Electrophysiological analysis of variant K<sub>ATP</sub> channel function was used to determine molecular basis. <b><i>Results:</i></b> We identified a previously uncharacterized <i>KCNJ11</i> mutation, c.988T>C [p.Tyr330His], in an Italian child diagnosed with sulfonylurea-resistant permanent neonatal diabetes and developmental delay (intermediate DEND). Functional analysis of recombinant K<sub>ATP</sub> channels reveals that this mutation causes a drastic gain-of-function, due to a reduction in ATP inhibition. Further, we demonstrate that the Tyr330His substitution causes a significant decrease in sensitivity to the sulfonylurea, glibenclamide. <b><i>Conclusions:</i></b> In this subject, the <i>KCNJ11</i> (c.988T>C) mutation provoked neonatal diabetes, with mild developmental delay, which was insensitive to correction by sulfonylurea therapy. This is explained by the molecular loss of sulfonylurea sensitivity conferred by the Tyr330His substitution and highlights the need for molecular analysis of such mutations.
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- Schiaffini, R, et al.
(författare)
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Early Glucose Derangement Detected by Continuous Glucose Monitoring and Progression of Liver Fibrosis in Nonalcoholic Fatty Liver Disease: An Independent Predictive Factor?
- 2016
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Ingår i: Hormone research in paediatrics. - : S. Karger AG. - 1663-2826 .- 1663-2818. ; 85:1, s. 29-34
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Tidskriftsartikel (refereegranskat)abstract
- <b><i>Background:</i></b> Glucose derangement has been reported to increase oxidative stress, one of the most important factors underlying the progression of hepatic fibrosis in adults with nonalcoholic fatty liver disease (NAFLD). To date, careful evaluation of the glucose profile in pediatric NAFLD has not been performed. <b><i>Methods:</i></b> A total of 30 severely obese children (15 males; mean age 12.87 ± 2.19 years) with biopsy-proven NAFLD were enrolled in this study from September to December 2013. All patients underwent anthropometric and laboratory evaluation, including the oral glucose tolerance test (OGTT) and continuous glucose monitoring (CGM). <b><i>Results:</i></b> Our study reveals some differences between OGTT and CGM in detecting NAFLD children with impaired fasting glucose (IFG) and impaired glucose tolerance (IGT). OGTT showed 2 (6.67%) patients with IFG and 1 (3.34%) with IGT, while CGM showed 5 (16.67%) patients with IFG and 6 (20%) with IGT. The daily blood glucose profile positively correlated with the baseline blood glucose (r = 0.39, p = 0.04) and the homeostatic model assessment (r = 0.56, p = 0.05). A positive correlation between hyperglycemia and liver fibrosis was found (r = 0.65, p < 0.05). Mean glucose values (F3-F4 group: 163.2 ± 35.92 mg/dl vs. F1 group: 136.58 ± 46.83 mg/dl and F2 group: 154.12 ± 22.51 mg/dl) and the difference between the minimum and maximum blood glucose levels (F3-F4 group: 110.21 ± 25.26 mg/dl vs. F1 group: 91.67 ± 15.97 mg/dl and F2 group: 92 ± 15.48 mg/dl) were significantly (p < 0.05) higher in the F3-F4 group compared to the F1 and F2 groups. <b><i>Conclusion:</i></b> Glucose profile derangement as detected by CGM is associated with the severity of hepatic fibrosis in children with NAFLD.
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