Comparison of conventional averaged and rapid averaged, autoregressive-based extracted auditory evoked potentials for monitoring the hypnotic level during propofol induction

Héctor Litvan, Erik W Jensen, Josefina Galan, Jeppe Lund, Bernardo E Rodriguez, Steen W Henneberg, Pere Caminal, Juan M Villar Landeira

62 Citationer (Scopus)

Abstract

The extraction of the middle latency auditory evoked potentials (MLAEP) is usually done by moving time averaging (MTA) over many sweeps (often 250-1,000), which could produce a delay of more than 1 min. This problem was addressed by applying an autoregressive model with exogenous input (ARX) that enables extraction of the auditory evoked potentials (AEP) within 15 sweeps. The objective of this study was to show that an AEP could be extracted faster by ARX than by MTA and with the same reliability.
OriginalsprogEngelsk
TidsskriftAnesthesiology
Vol/bind97
Udgave nummer2
Sider (fra-til)351-8
Antal sider8
ISSN0003-3022
StatusUdgivet - 1 aug. 2002

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