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Insulin Pump Feature May Prevent Low Blood Sugar

Device could improve quality of life for people with type 1 diabetes, experts say
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WebMD News from HealthDay

By Serena Gordon

HealthDay Reporter

TUESDAY, Sept. 24 (HealthDay News) -- A new type of insulin pump reduced the number of moderate to severe low-blood-sugar episodes experienced by people with type 1 diabetes.

The pump has a special sensor that can detect dropping blood-sugar levels and then suspend insulin delivery to prevent the development of dangerously low blood sugar (hypoglycemia), according to the researchers.

"Hypoglycemia is a major problem in diabetes treatment," said study senior author Dr. Timothy Jones, of Princess Margaret Hospital for Children in Perth, Australia. "The aim of the trial was to test whether a new type of insulin pump reduces life-threatening hypoglycemic events in patients with type 1 diabetes."

"We found, in a randomized trial, that this technology was able to prevent severe hypoglycemia," he said. "We don't like to be dramatic, but this may save lives, and certainly will improve quality of life and diabetes control."

The findings are published in the Sept. 25 issue of the Journal of the American Medical Association.

Type 1 diabetes is an autoimmune condition in which the body's immune system mistakenly destroys the insulin-producing cells in the pancreas. Insulin is a hormone that helps usher blood sugar into the body's cells to be used as fuel. Without insulin, blood-sugar levels rise and eventually reach life-threatening levels.

Since their bodies no longer produce insulin, people with type 1 diabetes must replace that lost insulin. To do this, they must either take multiple daily injections of insulin or use an insulin pump that has a tiny catheter inserted underneath the skin to deliver the insulin.

Getting the right amount of insulin can be difficult, however. People with diabetes have to factor in the amount of food they've eaten, their activity levels and many other factors that can affect blood sugar, and then figure out how much insulin they need.

If they get too much insulin, dangerously low blood-sugar levels can occur. Early symptoms of hypoglycemia can include shaking, sweating, confusion and a rapid heartbeat. If left untreated, hypoglycemia can cause seizures and even death, according to the American Diabetes Association. Too little insulin can cause high blood-sugar levels (hyperglycemia), which increases the risk of diabetes complications over time.

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If the level is below 70 or you are experiencing symptoms such as shaking, sweating or difficulty thinking, you will need to raise the number immediately. A quick solution is to eat a few pieces of hard candy or 1 tablespoon of sugar or honey. Recheck your numbers again in 15 minutes to see if the number has gone up. If not, repeat the steps above or call your doctor.

People who experience hypoglycemia several times in a week should call their health care provider. It's important to monitor your levels each day so you can make sure your numbers are within the range. If you are pregnant always consult with your health care provider.

Congratulations on taking steps to manage your health.

However, it's important to continue to track your numbers so that you can make lifestyle changes if needed. If you are pregnant always consult with your physician.

Your level is high if this reading was taken before eating. Aim for 70-130 before meals and less than 180 two hours after meals.

Even if your number is high, it's not too late for you to take control of your health and lower your blood sugar.

One of the first steps is to monitor your levels each day. If you are pregnant always consult with your physician.

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