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Diabet Med. 2019 Dec 23. doi: 10.1111/dme.14223. [Epub ahead of print]

The effect of DAFNE education, continuous subcutaneous insulin infusion, or both in a population with type 1 diabetes in Scotland.

Author information

1
Edinburgh Centre for Diabetes and Endocrinology, Metabolic Unit, Western General Hospital, Edinburgh, UK.
2
Centre for Population Health Sciences, University of Edinburgh, Edinburgh, UK.
3
Institute of Genetics and Molecular Medicine, University of Edinburgh, Edinburgh, UK.
4
Forth Valley Royal Hospital, NHS Forth Valley, Scotland.
5
Department of Diabetes, St John's Hospital, Livingston, UK.
6
Edinburgh Centre for Diabetes and Endocrinology, New Royal Infirmary of Edinburgh, Edinburgh, UK.
7
Division of Population Health and Genomics, University of Dundee, Dundee, UK.
8
Department of Public Health, NHS Fife, Kirkcaldy, UK.

Abstract

AIM:

To investigate the effect of DAFNEand continuous subcutaneous insulin infusion in clinical practice.

METHODS:

Within NHS Lothian, continuous subcutaneous insulin infusion started in 2004 and DAFNE education began in 2006. We extracted anonymized data from the national database for all those aged > 18 years with type 1 diabetes having a Dose Adjustment For Normal Eating course or continuous subcutaneous insulin infusion start date (n = 4617).

RESULTS:

In total, 956 persons received DAFNEeducation, and 505 had received an insulin pump, 208 of whom had DAFNE education followed by insulin pump. Mean (SD) HbA1c before DAFNE education was 68 (15) mmol/mol (8.4% [1.4%]) and 66 (13) mmol/mol (8.2% [1.2%]) before continuous subcutaneous insulin infusion. In the year following DAFNE education, the mean fall in within-person HbA1c was 3.8 mmol/mol (95% CI 4.0 to 3.4; 0.3% [0.4% to 0.3%]). Those with the poorest control (HbA1c ≥ 85 mmol/mol [9.9%]) experienced the largest decline (15.7 mmol/mol [1.4%]). Those in the lowest HbA1c band at initiation (< 53 mmol/mmol [7.0%]) experienced a rise. In the year following continuous subcutaneous insulin infusion initiation there was a mean fall in within-person HbA1c of 6.6 mmol/mol (6.8 to 6.4; 0.6% [0.6% to 0.6%]). In those with the poorest control (HbA1c ≥ 85 mmol/mol [9.9%]), the mean fall in HbA1c was 22.2 mmol/mol (23 to 21; 2.0% [2.1% to 1.9%]). Continuous subcutaneous insulin infusion effectiveness was not different with or without DAFNE education. The effects of both interventions were sustained over 5 years.

CONCLUSIONS:

Both DAFNE education and insulin pump therapy had the greatest effect on HbA1c in those with higher baseline values. There was little difference to attained HbA1c when Dose Adjustment For Normal Eating education was introduced before insulin pump therapy.

PMID:
31872473
DOI:
10.1111/dme.14223

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