INS and Hypoglycemia: However, on basal-bolus insulin therapy due to her aggressive attempts to achieve excellence in diabetic control she had developed hypoglycemia that had become so severe and frequent that at the age of 38 she reluctantly agreed to be treated with continuous subcutaneous insulin infusion therapy (CSII or insulin pump therapy) which resulted in excellent glycemic control (HbA1c 6.8%) that was not complicated by severe or frequent hypoglycemia.