Lessons learned from closed loops in engineering: towards a multivariable approach regulating depth of anaesthesia.

Abstract:

:In this paper is presented a brief state of art regarding the multivariable formulation for controlling the depth of anaesthesia by means of two intravenously administrated drugs, i.e. propofol and remifentanil. In a feasibility study of determining a suitable variable to quantify analgesia levels in patients undergoing cardiac surgery, the bispectral index and an electromyogram-based surrogate variable are proposed as the controlled variables. The study is carried on in the context of implementing a multivariable predictive control algorithm. The simulation results show that such a paradigm is feasible, although it does not guarantee perfect knowledge of the analgesia level-in other words, the variable is not validated against typical evaluations of the pain levels (e.g. clinical scores).

journal_name

J Clin Monit Comput

authors

Ionescu CM,Nascu I,De Keyser R

doi

10.1007/s10877-013-9535-5

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

537-46

issue

6

eissn

1387-1307

issn

1573-2614

journal_volume

28

pub_type

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