• A R Webb, L Coward, L Soh, L Waugh, L Parsons, M Lynch, L-A Stokan, and R Borland.
• Department of Anaesthesia and Acute Pain Management, Peninsula Health, Melbourne, Vic., Australia.
• Anaesthesia. 2020 Feb 1; 75 (2): 171-178.

AbstractFree nicotine patches may promote pre-operative smoking cessation. Smokers (≥ 10 cigarettes.day-1 ) awaiting non-urgent surgery were randomly assigned (3:1) to an offer of free nicotine patches or a control group who were not offered free nicotine patches. The suggested regimen lasted 5 weeks, with patch strength decreasing incrementally after 3 and 4 weeks. The primary outcome was smoking abstinence for ≥ 4 weeks, as self-reported by participants on the day of surgery, including, where possible, corroboration using exhaled carbon monoxide testing. Out of 600 included smokers, 447 (74.5%) were randomly assigned to an offer of pre-operative nicotine patches, with 175 (39.1%) of these accepting the offer and 56 (12.5%) using patches for ≥ 3 weeks. Out of 396 participants offered nicotine patches who were included for analysis, 36 (9.1%) quit smoking for ≥ 4 weeks before surgery as compared with 8 (5.9%) controls, OR 1.5 [95%CI 0.7-3.2], p = 0.300. Sixty-three (15.9%) quit smoking for 24 h before surgery as compared with 15 (11.1%) controls, OR 1.4 [95%CI 0.8-2.4], p = 0.200. Participants offered nicotine patches were more likely to engage in a cessation attempt lasting more than 24 h, 46 (11.6%) vs. 5 (3.7%), OR 3.4 [95%CI 1.8-8.8], p = 0.010. Out of 78 participants who quit smoking by the day of surgery and were followed up at 6 months, 46 (59%) had relapsed. Offering free nicotine patches stimulated interest in quitting compared with controls, but our protocol had limited effectiveness.© 2019 Association of Anaesthetists.

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