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Titolo:
Effects of the auditory stimuli of an auditory evoked potential system on levels of consciousness, and on the bispectral index
Autore:
Absalom, AR; Sutcliffe, N; Kenny, GNC;
Indirizzi:
Univ Glasgow, Glasgow Royal Infirm, Dept Anaesthesia, Glasgow G31 2ER, Lanark, Scotland Univ Glasgow Glasgow Lanark Scotland G31 2ER ow G31 2ER, Lanark, Scotland HCI Scotland, Dept Anaesthesia, Clydebank G81 4HX, Scotland HCI Scotland Clydebank Scotland G81 4HX sia, Clydebank G81 4HX, Scotland
Titolo Testata:
BRITISH JOURNAL OF ANAESTHESIA
fascicolo: 5, volume: 87, anno: 2001,
pagine: 778 - 780
SICI:
0007-0912(200111)87:5<778:EOTASO>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
GENERAL-ANESTHESIA; PROPOFOL;
Keywords:
measurement techniques, auditory evoked potential; monitoring, bispectral index; sedation; anaesthesia, general;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Life Sciences
Citazioni:
6
Recensione:
Indirizzi per estratti:
Indirizzo: Absalom, AR Univ Glasgow, Glasgow Royal Infirm, Dept Anaesthesia, Queen Elizabeth Bldg,Alexandra Parade, Glasgow G31 2ER, Lanark, Scotland Univ Glasgow Queen Elizabeth Bldg,Alexandra Parade Glasgow Lanark Scotland G31 2ER
Citazione:
A.R. Absalom et al., "Effects of the auditory stimuli of an auditory evoked potential system on levels of consciousness, and on the bispectral index", BR J ANAEST, 87(5), 2001, pp. 778-780

Abstract

Investigators in the field of depth of anaesthesia monitoring sometimes measure the auditory evoked potential (AEP) and the Bispectral Index (BIS) concurrently. However, the auditory stimuli required to generate an AEP may increase the level of consciousness, and cause an increase in the BIS. They may also alter the BIS by producing phase-locked harmonics in the surface electroencephalogram. The aim of this study was to determine if AEP stimuli have clinically significant effects on levels of consciousness and BIS values during sedation and general anaesthesia. Ten healthy adult patients werestudied by measuring and recording the BIS for 6 epochs of 5 min each. Thefirst 3 epochs took place during steady-state sedation, during which time the Observer's Assessment of Awareness/Sedation (OAA/S) score was also measured. The second 3 epochs took place during steady-state anaesthesia. During alternate epochs, patients were subjected to the auditory stimuli generated by an AEP system. The auditory stimuli were not associated with a changein BIS values (during sedation and anaesthesia) or OAA/S scores (sedation).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 19/01/20 alle ore 11:40:46