The impact of model-based therapeutics on glucose control in an intensive care unit

C.E. Hann, J.G. Chase, M.F. Desaive, J. Ypma, J. Elfring, G.M. Shaw

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)

Abstract

This paper investigates the impact of fast parameter identification methods, which do not require any forward simulations, on model-based glucose control, using retrospective data in the Christchurch Hospital Intensive Care Unit. The integral-based identification method has been previously clinically validated and extensively applied in a number of biomedical applications; and is a crucial element in the presented model-based therapeutics approach. Common non-linear regression and gradient descent approaches are too computationally intense and not suitable for the glucose control applications presented. The main focus in this paper is on better characterizing and understanding the importance of the integral in the formulation and the effect it has on model-based drug therapy control. As a comparison, a potentially more natural derivative formulation which has the same computation speed advantages is investigated, and is shown to go unstable with respect to modelling error which is always present clinically. The integral method remains robust.
Original languageEnglish
Title of host publicationIFMBE Proceedings; Antwerpen, Belgium
Pages1570-1573
Publication statusPublished - 2008

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    Hann, C. E., Chase, J. G., Desaive, M. F., Ypma, J., Elfring, J., & Shaw, G. M. (2008). The impact of model-based therapeutics on glucose control in an intensive care unit. In IFMBE Proceedings; Antwerpen, Belgium (pp. 1570-1573)