Abstract:
OBJECTIVE:To quantify age-related variability of insulin needs during day and night closed-loop insulin delivery. RESEARCH DESIGN AND METHODS:We retrospectively analyzed data from hybrid closed-loop studies involving young children (1-6 years old, n = 20), children (7-12 years, n = 21), adolescents (13-17 years, n = 15), and adults (>18 years, n = 58) with type 1 diabetes. The coefficient of variation quantified variability of insulin needs during 3 weeks of unrestricted-living hybrid closed-loop use. RESULTS:Data from 2,365 nights and 2,367 days in 114 participants were analyzed. The coefficient of variation of insulin delivery was higher in young children compared with adults (mean difference at nighttime 10.7 percentage points [95% CI 2.9-18.4], P = 0.003; daytime 6.4 percentage points [95% CI 2.0-10.9], P = 0.002) and compared with adolescents (mean difference at nighttime 10.2 percentage points [95% CI 0.0-20.4], P = 0.049; daytime 7.0 percentage points [95% CI 1.1-12.8], P = 0.014). CONCLUSIONS:Diabetes management in young children is complicated by higher variability in insulin requirements, supporting fast-track clinical practice adoption of closed-loop in this vulnerable population.
journal_name
Diabetes Carejournal_title
Diabetes careauthors
Dovc K,Boughton C,Tauschmann M,Thabit H,Bally L,Allen JM,Acerini CL,Arnolds S,de Beaufort C,Bergenstal RM,Campbell F,Criego A,Dunger DB,Elleri D,Evans ML,Fröhlich-Reiterer E,Hofer S,Kapellen T,Leelarathna L,Pieber Tdoi
10.2337/dc18-2625subject
Has Abstractpub_date
2019-07-01 00:00:00pages
1344-1347issue
7eissn
0149-5992issn
1935-5548pii
dc18-2625journal_volume
42pub_type
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