Double-blind, randomized trial of cessation of smoking after audiotape suggestion during anaesthesia

Author(s): Hendrata, M., Layher, Y., Williams, N. J., Hall, J. L., Moloney, J. T., Powell, J.

Journal/Book: Br J Anaesth. 1996; 76: Tavistock House East, Tavistock Square, London, England WC1H 9JR. Prof Sci Publ. 694-698.

Abstract: We studied the use of intraoperative tape suggestion to improve the rate of cessation of smoking in 363 smokers who wanted to stop smoking. They were allocated randomly to hear a taped message encouraging them to stop smoking or to a blank tape, played during general anaesthesia. Overall 56 patients (15.4%, 95% confidence interval (CI) 11.7-19.1%) had claimed to have stopped smoking at 2 months and 29 patients (8.0%, 95% CI 5.9-10.1%) were confirmed to have stopped smoking at 6 months. There was no significant difference between the groups at either 2 or 6 months (risk ratios 1.06 and 1.09, respectively, P = 0.78). A preoperative: postoperative ratio of a visual analogue scale measuring the patient's motivation to stop smoking was not significantly different (control group 1.13 vs message group 1.10, P = 0.55). This study does not support the hypothesis that intraoperative tape suggestion can change smoking behaviour.

Note: Article PS Myles, Alfred Hosp, Commercial Rd, Prahran, Vic 3181, Australia

Keyword(s): anaesthesia, depth; memory; complications, smokers; GENERAL-ANESTHESIA; THERAPEUTIC SUGGESTIONS; ENFLURANE ANESTHESIA; CONSCIOUSNESS; PERCEPTION; MORTALITY; RECOVERY; OUTCOMES; STOP

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