Article ; Online: Challenges in the classification and management of Asian youth-onset diabetes mellitus- lessons learned from a single centre study.
PloS one
2019 Volume 14, Issue 1, Page(s) e0211210
Abstract: It remains widely perceived that early-onset Type 2 Diabetes (T2D) in children and adolescents is rare and clinically distinct from Type 1 Diabetes (T1D). We studied the challenges of classifying subtypes of early-onset diabetes using clinical features ... ...
| Abstract | It remains widely perceived that early-onset Type 2 Diabetes (T2D) in children and adolescents is rare and clinically distinct from Type 1 Diabetes (T1D). We studied the challenges of classifying subtypes of early-onset diabetes using clinical features and biomarkers, and management of these patients. We reviewed retrospectively the record of patients < 25 years old who attended the diabetes clinic in Penang General Hospital, Malaysia between 1st December 2012 and 30th June 2015. We examined their clinical features, C-peptide and pancreatic autoantibodies. Comparisons were made between T1D and T2D for magnitude, demographics, metabolic status and complications. We studied 176 patients with a mean age of 20 ± 3.7 years, 43.2% had T1D, 13.6% had T2D, and 13.6% had mixed features of both. When tested, pancreatic autoantibodies were positive in 59.4% of the T1D. T2D presented two years later than T1D at 14.3 years, 20% were asymptomatic at presentation, and 50% required insulin supplementation despite fasting c-peptide of > 250 pmol/L. HbA1C of ≤ 8.0% (64 mmol/mol) was achieved in 30.3% of T1D, 58.3% of T2D on OAD and 16.7% of T2D on insulin. The T2D had greater cardiovascular risk with higher body mass index, more dyslipidaemia, higher blood pressure and earlier onset of nephropathy. The overlapping clinical features, variable autoimmunity, and beta-cell loss complicate classification of young diabetes. Pancreatic autoantibodies and C-peptide did not always predict diabetes subtypes nor respond to insulin. The poor metabolic control and high cardiovascular risk burden among the T2D highlight the need for population-based study and focused intervention. |
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| MeSH term(s) | Adolescent ; Age of Onset ; Autoantibodies/metabolism ; C-Peptide/metabolism ; Cardiovascular Diseases/etiology ; Child ; Diabetes Mellitus, Type 1/complications ; Diabetes Mellitus, Type 1/epidemiology ; Diabetes Mellitus, Type 1/metabolism ; Diabetes Mellitus, Type 2/complications ; Diabetes Mellitus, Type 2/epidemiology ; Diabetes Mellitus, Type 2/metabolism ; Female ; Humans ; Malaysia/ethnology ; Male ; Pancreas/immunology ; Retrospective Studies ; Young Adult |
| Chemical Substances | Autoantibodies ; C-Peptide |
| Language | English |
| Publishing date | 2019-01-25 |
| Publishing country | United States |
| Document type | Comparative Study ; Journal Article |
| ISSN | 1932-6203 |
| ISSN (online) | 1932-6203 |
| DOI | 10.1371/journal.pone.0211210 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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