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Title: Glucose-insulin regulation model with subcutaneous insulin injection and evaluation using diabetic inpatients data
Authors: Wu, Z.
Chui, C.K. 
Hong, G.S. 
Khoo, E.
Chang, S.
Keywords: Diabetes
Glucose-insulin model
Model evaluation
Subcutaneously-injected insulin
Issue Date: Aug-2013
Citation: Wu, Z., Chui, C.K., Hong, G.S., Khoo, E., Chang, S. (2013-08). Glucose-insulin regulation model with subcutaneous insulin injection and evaluation using diabetic inpatients data. Computer Methods and Programs in Biomedicine 111 (2) : 347-356. ScholarBank@NUS Repository.
Abstract: Closed-loop insulin delivery systems often implement glucose measurement and insulin administration in the subcutis. However some existing models for glucose-insulin system ignored the dynamics of subcutaneous glucose and subcutaneously-injected insulin. This paper reports a two-compartment model that includes glucose and insulin dynamics in subcutis, and its evaluation using patient data. Clinical information such as glucose level, insulin dosage, insulin injection time and meals of anonymous diabetes inpatients was collected. Measured glucose level of the diabetic inpatients agrees with that of computer simulation. Due to the lack of glucose-insulin model with subcutaneously-injected insulin for type 2 diabetic patients, our model was compared with existing model for type 1 subjects. The new glucose-insulin model can mimic dynamics of glucose and insulin under the disturbance of insulin injections and meals. Model parameters were estimated using nonlinear least square method and their effect on pathology and physiology of diabetes were analyzed. © 2013 Elsevier Ireland Ltd.
Source Title: Computer Methods and Programs in Biomedicine
ISSN: 01692607
DOI: 10.1016/j.cmpb.2013.05.001
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