Pump therapy: exercise

  • Exercise management for insulin pump therapy

    Children and young adults should be accumulating 60 minutes of moderate/vigorous exercise per day. Sedentary behaviour should be minimised every day to no more than 2 hours.

    Exercise usually has an effect on your insulin needs. Everyone is individual and your response to exercise can only be determined by checking BGLs.

    REMEMBER: You should never exercise if you have positive ketones.

    Generally exercise lowers blood glucose levels both during and after the activity (although sometimes interval-style exercise can elevate BGLs in the short term).

    Do I need more food or less insulin? – You may need both.

    Hypoglycaemia can occur for many hours after sustained exercise, so checking blood glucose levels later in the evening and overnight is important.

    Try:

    • Eating 15 grams CHO with no bolus (“activity carbohydrate”) or
    • Sip on a measured amount of sweet fluid during sport e.g. 250ml Sports Drink or 100ml Juice 
    • Setting a reduced temp basal rate (consider the timing of when to set this reduced rate) or
    • A combination of the above

    Other tips you can try:

    • If hypoglycaemia is occurring in the hours after exercise, try a protein and carbohydrate rich meal 1-2 hours after finishing your exercise e.g. pasta with meat/protein sauce,
    • Shorts running sprints added to exercises such as walking, running, cycling can potentially reduce hypoglycaemia following exercise

      General guidelines:

    • Check BGL before, during and after activity to see the effect
    • If using temp rates, try 20% reduction 2 hours prior to activity. If required, you may also continue this after exercise 
    • High intensity exercise can affect BGLs for many hours afterwards
    • Disconnect the pump for contact and water sports
    • The pump can remain disconnected for maximum 90 minutes

    After 90 minutes you must reconnect the pump and get a bolus of insulin. Either:

    o   Manual bolus 1 hour of basal insulin or

    o   Bolus for and eat ~ 15grams CHO 

    Do not correct high BGLs until 1 hour after finishing exercise