Journal List > J Korean Diabetes > v.16(2) > 1054960

Han: Intensive Insulin Therapy in Type 1 Diabetes

Abstract

The Epidemiology of Diabetes Interventions and Complications study, a prospective observational follow-up of the Diabetes Control and Complications Trial cohort, reported persistent benefits for micro- and macro-vascular complication in type 1 diabetes mellitus with intensive insulin therapy. It is the standard of care for most patients with type 1 diabetes. There are two modalities: continuous subcutaneous insulin infusion (CSII), so called insulin pump, and multiple dose of insulin. Both shows similar effects in frequency of severe hypoglycemia and progression of microvascular disease, but CSII provides slightly better in glycemic control. An important aspect of intensive insulin therapy is educating patients about basal insulin, and carbohydrate/insulin ratio, sensitivity index, the coordination of meals, activity, stress, and hormonal changes with frequent monitoring of blood glucose levels during pregnancy. It is important to identify and resolve emotional and attitudinal barriers of the patient and family for improving glycemic control during intensive diabetes management.

References

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Fig. 1.
Physiologic insulin secretion.
jkd-16-108f1.tif
Fig. 2.
Determination of carbohydrate/insulin ratio. BG, blood glucose.
jkd-16-108f2.tif
Fig. 3.
Evaluation of sensitivity factor (SF). BG, blood glucose.
jkd-16-108f3.tif
Table 1.
Comparison of insulin pump and multiple daily injection
Insulin pump Multiple dose of insulin
1. Decreased frequency of injections 1. Less expensive
2. Prevention of the dawn phenomenon 2. No skin infusion-site infections
3. Allows for more flexible lifestyles and activities, and improves non-health related quality of life 3. No need to carry devices
4. More precise basal rate 4. No mechanical failure
5. Reduced complications with hypoglycaemia, particularly for people with hypoglycaemic unawareness, and can possibly prevent cognitive impairment in young children 5. No need for supervision by team
Table 2.
Determination of basal rate
Testing overnight basal rate Testing daytime basal rate
Eat a low fat dinner and no food afterwards Check BG upon waking
Begin basal test 4∼5 hours after eating dinner as long as Start basal testing if BG is between 100∼150 mg/dL
BG is between 100∼150 mg/dL 1. Skip breakfast and eat no food until lunch for breakfast basal rate
Check BG at bedtime, midnight, 3 am and upon waking 2. Skip lunch and eat no food until dinner for lunch-time basal rate
  3. Skip dinner and eat no food until bedtime for dinner-time basal rate
  Check BG every 1∼2 hours from the start of the test for 5 hours
Changes in your BG of more than 40 mg/dL during the basal test indicate a need to adjust your basal rates.
If your total daily dose of insulin is less than 20 units a day, increase or decrease your basal rate by increments of 0.05 units/hour at a time.
If your total daily dose of insulin is over 20 units a day, increase or decrease your basal rate by increments of 0.10 units/hour at a time.
Increase or decrease your basal rate about 2 hours before you notice a pattern of high or low blood glucose readings.

BG, blood glucose.

Table 3.
Reassessing basal rate
1. Significant, sustained change in activity
2. Significant change in weight (5∼10%)
3. Gastroparesis
4. Pregnancy
5. Menses
6. Illness
7. Medication such as steroid which increase blood glucose
8. Exercise
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