Design and in silico evaluation of an intraperitoneal-subcutaneous (IP-SC) artificial pancreas.

Design and in silico evaluation of an intraperitoneal-subcutaneous (IP-SC) artificial pancreas.
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DOI:
10.1016/j.compchemeng.2014.02.024
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发表时间:
2014-11-05
影响因子:
4.3
通讯作者:
Doyle FJ 3rd
Doyle FJ 3rd
中科院分区:
工程技术2区
文献类型:
--
作者:
Lee JJ;Dassau E;Zisser H;Doyle FJ 3rd

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Prandial glucose regulation is a major challenge for the artificial pancreas using subcutaneous insulin (without a feedforward bolus) due to insulin’s slow absorption-peak (50–60 min). Intraperitoneal insulin, with a fast absorption peak (20–25 min), has been suggested as an alternative to address these limitations. An artificial pancreas using intraperitoneal insulin was designed and evaluated on 100 in silico subjects and compared with two designs using subcutaneous insulin with and without a feedforward bolus, following the three meal (40–70 g-carbohydrates) evaluation protocol. The design using intraperitoneal insulin resulted in a significantly lower postprandial blood glucose peak (38 mg/dL) and longer time in the clinically accepted region (13%) compared to the design using subcutaneous insulin without a feedforward bolus and comparable results to a subcutaneous feedforward bolus design. This superior regulation with minimal user interaction may improve the quality of life for people with type 1 diabetes mellitus.
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