Over a period of months to years, uncontrolled hyperglycaemia can contribute to the premature occlusion of key blood vessels. This can result in a reduced blood supply to key organs in the body, which may then become damaged and function less efficiently. The key organs that need a good blood supply are: the brain, the eyes, the heart, the kidneys and the feet.

Using insulin can therefore be very effective in promoting glucose uptake and result in good blood glucose control. This can reduce the risk of short and longer term problems as a result of hyperglycaemia.

This is further outlined in the case histories for Carlos and Seema.

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