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Pediatr Diabetes. 2012 Jun;13(4):308-13. doi: 10.1111/j.1399-5448.2011.00829.x. Epub 2011 Nov 8.

Markedly reduced rate of diabetic ketoacidosis at onset of type 1 diabetes in relatives screened for islet autoantibodies.

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  • 1Institute of Diabetes Research, Helmholtz Center Munich, Neuherberg, Germany.

Abstract

OBJECTIVE:

To determine whether screening for islet autoantibodies in children prevents ketoacidosis and other metabolic complications at diabetes onset and improves the clinical course after diagnosis.

SUBJECTS AND METHODS:

The German BABYDIAB and the Munich Family Study follow children with a first-degree family history of type 1 diabetes for the development of islet autoantibodies and type 1 diabetes. The Diabetes Prospective Documentation (DPV) Initiative registers and collects information on pediatric patients with type 1 diabetes throughout Germany. Here, clinical characteristics at diabetes onset [ketoacidosis, mean hemoglobin A1c (HbA1c), and length of hospitalization] and the 5-yr clinical course (HbA1c and insulin dose) of screened and followed islet autoantibody-positive children (n = 101) and 49 883 non-screened children within the DPV registry were compared.

RESULTS:

At diabetes onset, children who were followed after screening and were positive for islet autoantibodies had lower HbA1c (8.6 vs. 11%, p < 0.001) and a lower prevalence of diabetic ketoacidosis (3.3 vs. 29.1%, p < 0.001). Screened children also had a shorter hospitalization period at onset (11.4 vs. 14.9 d, p = 0.005). Similar results were observed when the analysis was restricted to 759 non-screened DPV children with a first-degree family history of type 1 diabetes. No differences between screened and non-screened children were observed with respect to HbA1c and insulin dose during the first 5 yr after diagnosis.

CONCLUSIONS:

Screening for islet autoantibodies in children likely leads to earlier diabetes diagnosis resulting in less complications at diagnosis. However, no substantial benefit in the clinical outcome during the first 5 yr after diagnosis was observed.

© 2011 John Wiley & Sons A/S.

PMID:
22060727
[PubMed - indexed for MEDLINE]
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