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- Title
Errors in insulin treatment management and risk of lipohypertrophy.
- Authors
Pozzuoli, Giuseppe Maria; Laudato, Mario; Barone, Maria; Crisci, Franco; Pozzuoli, Bianca
- Abstract
Aims: Lipohypertrophy (LH) represents the most common skin-related complication associated with insulin therapy. Our aim is to estimate the prevalence of LH among insulin-treated patients, to identify its association with errors in insulin injection technique and storage, and the correlation between LH, risk of hypoglycemia, and glycemic control.Methods: Consecutive patients with T1DM or T2DM, attending a diabetes clinic for a routine visit, were administered an anonymous questionnaire investigating the modalities of insulin injection, the correct use of pen device, insulin storage, and reported frequency of hypoglycemic episodes. The presence of LH was assessed by inspection and palpation of injection sites.Results: Overall, 352 patients were enrolled (mean age 68 ± 12 years, 43.2% males, 88.9% with T2DM, mean duration of insulin therapy 9.1 ± 8.6 years). The prevalence of LH was 42.9%. At multivariate analysis, the strongest correlates of LH were not spacing injections (OR 20.4; 95% CI 10.5–39.6) and not rotating the site of injection (OR 2.01; 95% CI 1.08–3.75). Increasing doses of insulin and longer duration of insulin therapy also increased the risk of LH. The presence of LH was associated with a 2.7 times higher risk of severe hypoglycemia. Higher daily insulin doses, lack of rotation of injection sites, and keeping insulin in use in the refrigerator were independent correlates of higher HbA1c levels.Conclusions: Insulin injection technique is suboptimal in many patients, highlighting the need for improved patient education. Increasing the awareness of the importance of preventing lipohypertrophy and insulin injection errors represents an important tool to reduce the clinical, social, and economic burden of diabetes.
- Subjects
INSULIN therapy; GLUCOSE clamp technique; PROINSULIN; GLUCOSE intolerance; INSULIN resistance
- Publication
Acta Diabetologica, 2018, Vol 55, Issue 1, p67
- ISSN
0940-5429
- Publication type
Article
- DOI
10.1007/s00592-017-1066-y