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Recollection of dreams after short general anaesthesia: influence on patient anxiety and satisfaction

Published online by Cambridge University Press:  02 June 2005

K. Hellwagner ,
A. Holzer ,
B. Gustorf ,
K. Schroegendorfer ,
M. Greher ,
M. Weindlmayr-Goettel ,
B. Saletu  and
F. X. Lackner
K. Hellwagner
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
A. Holzer
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
B. Gustorf
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
K. Schroegendorfer
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
M. Greher
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
M. Weindlmayr-Goettel
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
B. Saletu
Affiliation:
University of Vienna, Department of Psychiatry, Vienna, Austria
F. X. Lackner
Affiliation:
University of Vienna, Department of Anaesthesia and General Intensive Care (A & B), Vienna, Austria
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Extract

Summary

Background and objective: We ascertained whether dreams during short general anaesthesia influence subsequent patient satisfaction and anxiety.

Methods: Fifty female patients were randomized into two groups to test for a difference between intravenous and inhalational anaesthesias. In Group Propo, anaesthesia was induced and maintained with propofol; in Group Metho–Iso, anaesthesia was induced with methohexital and maintained with isoflurane. Satisfaction and anxiety with anaesthesia were evaluated using a visual analogue scale from 0 to 100. Dream incidence rate, satisfaction and anxiety were assessed from immediately after waking until 3 months later.

Results: Seventeen patients (34%) dreamed during anaesthesia. There were no significant differences in satisfaction or anxiety after anaesthesia between the dreaming and non-dreaming patients (satisfaction, 92.3 ± 21.6 versus 92.1 ± 21.6; anxiety, 21.1 ± 21.1 versus 30.3± 32.1), or between Group Propo and Group Metho–Iso (satisfaction, 94.4 ± 19.3 versus 90.0 ± 23.4; anxiety, 26.0 ± 27.6 versus 28.4 ± 30.7). There was no significant difference in the incidence rate of dreaming with the type of anaesthesia used (Group Propo, 11 patients; Group Metho–Iso, 6 patients).

Conclusions: Dreaming during general anaesthesia is common but does not influence satisfaction or anxiety after anaesthesia.

Keywords

ANAESTHESIA GENERAL, anaesthesia inhalation, anaesthesia intravenousBEHAVIOUR, personal satisfactionEMOTIONS, anxietyMENTAL PROCESSES, cognition, dreams, imaginationPSYCHOLOGICAL PHENOMENA, sleep
Type
Original Article
Information
European Journal of Anaesthesiology , Volume 20 , Issue 4 , April 2003 , pp. 282 - 288
Copyright
© 2003 European Society of Anaesthesiology

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