Johns Hopkins Health Alert
Is an Insulin Pump Right For You?
Insulin pumps are used primarily by people with type 1 diabetes, but more type 2 diabetes patients are starting to use the pump. In this Health Alert Johns Hopkins experts answer the question: Am I a good candidate for an insulin pump?
An insulin pump is a small, computerized device that deliver insulin through a thin tube inserted via a needle into the skin of the stomach or thigh. Many people with diabetes prefer using an insulin pump because it offers flexibility, convenience, and an insulin flow that is completely predictable since you program it yourself.
The biggest advantage of the insulin pump is improved blood glucose control. For example, in a four-month study of 79 people with diabetes, pump users had an average HbA1c level that was 0.8 percentage points lower than that of people on injected insulin therapy.
Most people with type 2 diabetes who require insulin have fairly stable blood glucose levels, often requiring just one or two injections per day, so an insulin pump isn't needed. But in hard-to-treat individuals with type 2 diabetes the insulin pump may be beneficial.
One study found that insulin pumps were comparable to multiple daily injections in keeping type 2 diabetes in tight control, and most of the participants preferred the insulin pump to shots.
Individuals who are considering insulin pump therapy must be knowledgeable about their diabetes and committed to regular glucose monitoring. Unlike shots, you have to make sure to set the delivery rate correctly, check the tubing for blockages and change it regularly, and keep the insulin storage chamber full.
Since insulin pumps use rapid-acting insulin, any malfunction can cause a rapid drop in insulin levels, so you need to monitor your blood glucose several times a day. If you think you would benefit from using an insulin pump, discuss it with your doctor.
Posted in Diabetes on July 22, 2010
Reviewed January 2011
Medical Disclaimer: This information is not intended to substitute for the advice of a physician. Click here for additional information: Johns Hopkins Health Alerts Disclaimer
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