Risk and Relevance of Insulin Pump Therapy in the Aetiology of Ketoacidosis in People with Type 1 Diabetes

Exp Clin Endocrinol Diabetes
DOI: 10.1055/a-0654-5134

Objective The aim of this systematic data analysis was to determine the prevalence of diabetic ketoacidosis (DKA) as well as hypoglycemic and hyperglycemic disorders during insulin pump therapy (CSII) in patients with type 1 diabetes. The main focus was to investigate whether CSII patients have more DKA than the general type 1 diabetes population. Subjects and Methods This retrospective study with patients who were treated in our treatment center from 2003 to 2016 includes data from 229 patients (52.4% male, 47.6% female, 37.2±16.3 years; DKA: 93, hypoglycemia: 66, hyperglycemia: 70). Results Intensified insulin therapy was the most common treatment regimen in the study cohort (73.4%), followed by CSII (24%). However, 32.3% of the patients with DKA were on CSII. This number of DKA cases among the insulin pump users in our study cohort was higher than the prevalence reported in a previously published study by Reichel et al. (2013; p<0.05) and in a customer database (p<0.005). Most common causes of DKA in our study cohort were patient errors (43.3%) or insulin resistance induced by an underlying infection (29.8%). Device malfunction caused 13.5% of all DKA cases with an overwhelming majority on insulin pump treatment (93%). Overall, patient errors caused more DKA cases than device malfunctions. Conclusions Our findings suggest that despite development of more sophisticated insulin pump devices, DKA is still more frequent with CSII than with other kinds of insulin treatment.
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