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Sensor-augmented insulin pump therapy reduces rate of severe hypoglycemic events

Date:
September 24, 2013
Source:
American Medical Association (AMA)
Summary:
Use of an insulin pump with a sensor that suspends insulin delivery when blood glucose falls below a set threshold reduced the rate of severe and moderate hypoglycemia among patients with type 1 diabetes and impaired awareness of hypoglycemia.

Use of an insulin pump with a sensor that suspends insulin delivery when blood glucose falls below a set threshold reduced the rate of severe and moderate hypoglycemia among patients with type 1 diabetes and impaired awareness of hypoglycemia, according to a study in the September 25 issue of JAMA.

Hypoglycemia is a critical obstacle to the care of patients with type 1 diabetes. Sensor-augmented pump therapy with an automated insulin suspension or low glucose suspension function is a technology has the potential to reduce the duration and frequency of significant hypoglycemia, according to background information in the article.

Trang T. Ly, M.B.B.S., D.C.H., F.R.A.C.P., of the Princess Margaret Hospital for Children, Perth, Australia, and colleagues randomized 95 patients with type 1 diabetes, average age 19 and recruited from December 2009 to January 2012 in Australia to standard insulin pump therapy (n = 49) or low-glucose triggered automated insulin suspension (n = 46) for 6 months. The researchers selected patients with impaired awareness of hypoglycemia because they are at significantly higher risk of experiencing hypoglycemic events. Approximately one-third of patients with type 1 diabetes have evidence of impaired hypoglycemia awareness.

The researchers found that sensor-augmented pump therapy with low-glucose triggered automated insulin suspension reduced the combined rate of severe and moderate hypoglycemia in patients with type l diabetes. After 6 months of treatment and controlling for the baseline hypoglycemia rate, the number of severe and moderate hypoglycemia events in the low-glucose suspension group decreased from 175 to 35, whereas the number of events decreased from 28 to 16 in the pump-only group. Analysis of the data indicated that the adjusted incidence rate of hypoglycemia was lower for the low-glucose suspension group than for the pump-only group.

“These findings suggest that automated insulin suspension can reduce the incidence of hypoglycemic events in those most at risk, that is, those with impaired awareness of hypoglycemia,” the authors write.


Story Source:

The above story is based on materials provided by American Medical Association (AMA). Note: Materials may be edited for content and length.


Journal Reference:

  1. Trang T. Ly. Effect of Sensor-Augmented Insulin Pump Therapy and Automated Insulin Suspension vs Standard Insulin Pump Therapy on Hypoglycemia in Patients With Type 1 Diabetes. JAMA, 2013; 310 (12): 1240 DOI: 10.1001/jama.2013.277818

Cite This Page:

American Medical Association (AMA). "Sensor-augmented insulin pump therapy reduces rate of severe hypoglycemic events." ScienceDaily. ScienceDaily, 24 September 2013. <www.sciencedaily.com/releases/2013/09/130924174159.htm>.
American Medical Association (AMA). (2013, September 24). Sensor-augmented insulin pump therapy reduces rate of severe hypoglycemic events. ScienceDaily. Retrieved July 25, 2014 from www.sciencedaily.com/releases/2013/09/130924174159.htm
American Medical Association (AMA). "Sensor-augmented insulin pump therapy reduces rate of severe hypoglycemic events." ScienceDaily. www.sciencedaily.com/releases/2013/09/130924174159.htm (accessed July 25, 2014).

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