Considerations for the programming of an open-loop insulin infusion device from the biostator glucose controller. 1980

F J Service, and R A Rizza, and R E Westland, and L D Hall, and R L Nelson, and M W Haymond, and A H Clemens, and J E Gerich

To assess the feasibility of preprogramming an open-loop device with insulin flow rates generated by the Biostator Glucose Controller, comparisons were made in 10 juvenile-onset diabetic patients between meals of equal size and composition taken in the morning, at noon, and in the evening and a bedtime snack during a 24-h period of Biostator glucose control. Four additional diabetic patients had Biostator glucose control for 72 h. Similar amounts of insulin were infused for the meals taken at differing times of the day and, except for the morning meal, for the same meal on two successive days. The meal-related glycemic patterns expressed as mean indices of meal excursions (MIME) were similar for meals of identical size and composition during a single day and for the same meal taken on two consecutive days. Preliminary results using an open-loop device preprogrammed by the Biostator system, although encouraging, underscore the deficiency of the subcutaneous route viz. the delayed entry of insulin into the circulation in achieving normal glucose levels and patterns.

UI MeSH Term Description Entries
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D007279 Injections, Subcutaneous Forceful administration under the skin of liquid medication, nutrient, or other fluid through a hollow needle piercing the skin. Subcutaneous Injections,Injection, Subcutaneous,Subcutaneous Injection
D007328 Insulin A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1). Iletin,Insulin A Chain,Insulin B Chain,Insulin, Regular,Novolin,Sodium Insulin,Soluble Insulin,Chain, Insulin B,Insulin, Sodium,Insulin, Soluble,Regular Insulin
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001786 Blood Glucose Glucose in blood. Blood Sugar,Glucose, Blood,Sugar, Blood
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D004334 Drug Administration Schedule Time schedule for administration of a drug in order to achieve optimum effectiveness and convenience. Administration Schedule, Drug,Administration Schedules, Drug,Drug Administration Schedules,Schedule, Drug Administration,Schedules, Drug Administration
D004582 Electronics, Medical The research and development of ELECTRICAL EQUIPMENT AND SUPPLIES for such medical applications as diagnosis, therapy, research, anesthesia control, cardiac control, and surgery. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) Medical Electronics
D005260 Female Females

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