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Updated: Aug 5, 2026

Improving IV Insulin Administration in a Community Hospital
Published on: June 11, 2012
A patient with subcutaneous-insulin resistance treated by insulin lispro plus heparin
Y Tokuyama1, O Nozaki, A Kanatsuka
1Diabetes Center, Kasori Hospital, 1835-1, Kasori, Wakaba-ku, Chiba 264-9100, Japan. yt4486yt@yahoo.co.jp
Abstract:
Severe resistance to subcutaneous insulin but sensitivity to intravenous insulin persisted for 11 years in a 23-year-old diabetic woman. Several therapeutic trials revealed that (1) intravenous regular insulin improved her metabolic control; (2) continuous subcutaneous infusion (CSII) treatment with regular insulin or insulin lispro caused hyperglycemic period with hypoinsulinemia and hypoglycemic period with hyperinsulinemia alternately; (3) adding heparin to insulin lispro in CSII resulted in dramatic increase of serum insulin level and improvement of glycemic control; and (4) regular insulin plus heparin in CSII could not increase serum insulin level and thus the glycemic values was not improved. From these results, the patient followed the insulin lispro plus heparin protocol and obtained a better glycemic control without any adverse events. Effectiveness of this therapy may lead us to further understanding of pathophysiology of this syndrome.
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