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- Title
Predictors of changing insulin dose requirements and glycaemic control in children, adolescents and young adults with Type 1 diabetes.
- Authors
Dougher, C. E.; Volkening, L. K.; Katz, M. L.; Laffel, L. M.; Teló, G. H.
- Abstract
Abstract: Aims: To investigate trajectories of daily insulin dose requirements and glycaemic control in children, adolescents and young adults with Type 1 diabetes and to identify factors associated with changing insulin needs and deterioration in HbA1c. Methods: The sample was a dynamic cohort of 635 children, adolescents and young adults with Type 1 diabetes from one centre. Data from clinic visits occurring over 20 years (1993–2013) were extracted from medical records. From age 7–24 years, we evaluated HbA1c and insulin dose according to sex, insulin regimen and weight status. Results: Participants provided a mean ± sd of 10.7±4.3 years of insulin dose data and 12.0±4.6 years of HbA1c data. At first observation, the mean ± sd age was 10.0±2.6 years, diabetes duration was 2.8±2.1 years, insulin dose was 0.8±0.2 units/kg and HbA1c was 74±18 mmol/mol (8.9±1.6%). Insulin dose was higher in girls at ages 8–13 years (P<0.0001 to P<0.01), but higher in boys/young men at ages 16–21 years (P<0.0001 to P=0.04). HbA1c was higher in girls/young women at ages 16–24 years (P<0.0001 to P=0.01). Compared with injection therapy, pump therapy was associated with lower insulin dose at ages 8–24 years (P<0.0001 to P=0.03) and lower HbA1c at ages 8–22 years (P<0.0001 to P=0.005). HbA1c did not differ between overweight/obese and normal weight individuals, but overweight/obese individuals had higher insulin dose at ages 8–13 years (P<0.0001 to P=0.03). Conclusions: This longitudinal assessment identifies clinically meaningful modifiable (e.g. insulin regimen) and non‐modifiable (e.g. sex) factors predictive of insulin requirements and HbA1c levels in young people with Type 1 diabetes; anticipatory insulin adjustments may improve glycaemic control.
- Subjects
BODY weight; GLYCOSYLATED hemoglobin; INSULIN; TYPE 1 diabetes; LONGITUDINAL method; OBESITY; CHILDHOOD obesity; SEX distribution; TREATMENT effectiveness; GLYCEMIC control; ADOLESCENCE; ADULTS; CHILDREN
- Publication
Diabetic Medicine, 2018, Vol 35, Issue 10, p1355
- ISSN
0742-3071
- Publication type
Article
- DOI
10.1111/dme.13699