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On the use of multivariable piecewise-linear models for predicting human response to anesthesia

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3 Author(s)
Hui-Hing Lin ; Dept. of Mech. & Ind. Eng., Univ. of Illinois, Urbana, IL, USA ; Beck, C.L. ; Bloom, M.J.

The standard modeling paradigm used to describe the relationship between input anesthetic agents and output patient endpoint variables are single-input single-output pharmacokinetic-pharmacodynamic (PK-PD) compartment models. We propose the use of multivariable piecewise-linear models to describe the relations between inputs that include anesthesia, surgical stimuli and disturbances to a variety of patient output variables. Subspace identification methods are applied to clinical data to construct the models. A comparison of predicted and measured responses is completed, which includes predictions from PK-PD models, and piecewise-linear time-invariant models.

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Biomedical Engineering, IEEE Transactions on  (Volume:51 ,  Issue: 11 )