Glucose-insulin interaction in obese individuals with asymptomatic reactive hypoglycemia

Acta diabetologica latina
M Solter, M Sekso


The interrelationship of glucose and insulin was investigated in obese nondiabetic subjects with asymptomatic reactive hypoglycemia. Results were compared to those obtained from obese control subjects and normal individuals. The diagnostic criteria for asymptomatic reactive hypoglycemia were the appearance of blood glucose values of 40 mg/dl and below during the postabsorptive phase of a 6-h OGTT and the absence of related symptoms. The blood glucose nadir occurred earlier in obese hypoglycemics than in obese controls. Maximum insulin response was similar in both obese groups, but occurred significantly later in obese hypoglycemics than in obese subjects without hypoglycemia and normal subjects. In obese hypoglycemics the blood glucose nadir was inversely proportional to the time of the insulin peak (i.e. the later the insulin peak the lower the blood glucose nadir) but correlated poorly to maximum insulin values. Delayed insulin response was found to be the major abnormality in asymptomatic reactive hypoglycemia and a probable cause of the decreased ability to maintain post-hyperglycemic glucose homeostasis. Decreased glucose tolerance in some obese hypoglycemics pre-treated with prednisolone suggests that asymptomatic reactiv...Continue Reading


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Related Concepts

Blood Glucose
Diabetes Mellitus
Reactive Hypoglycemia
Insulin B Chain

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