Hypoglycemia prediction and detection using optimal estimation.

Abstract:

:Patients with diabetes play with a double-edged sword when it comes to deciding glucose and A1c target levels. On the one side, tight control has been shown to be crucial in avoiding long-term complications; on the other, tighter control leads to an increased risk of iatrogenic hypoglycemia, which is compounded when hypoglycemia unawareness sets in. Development of continuous glucose monitoring systems has led to the possibility of being able not only to detect hypoglycemic episodes, but to make predictions based on trends that would allow the patient to take preemptive action to entirely avoid the condition. Using an optimal estimation theory approach to hypoglycemia prediction, we demonstrate the effect of measurement sampling frequency, threshold level, and prediction horizon on the sensitivity and specificity of the predictions. We discuss how optimal estimators can be tuned to trade-off the false alarm rate with the rate of missed predicted hypoglycemic episodes. We also suggest the use of different alarm levels as a function of current and future estimates of glucose and the hypoglycemic threshold and prediction horizon.

journal_name

Diabetes Technol Ther

authors

Palerm CC,Willis JP,Desemone J,Bequette BW

doi

10.1089/dia.2005.7.3

keywords:

subject

Has Abstract

pub_date

2005-02-01 00:00:00

pages

3-14

issue

1

eissn

1520-9156

issn

1557-8593

journal_volume

7

pub_type

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