• Ankita Maheshwari, Manish Gupta, Bhavuk Garg, Akhil Kant Singh, and Puneet Khanna.
• Departments of Anaesthesiology, Pain Medicine and Critical Care.
• J Neurosurg Anesthesiol. 2024 Dec 25.

BackgroundSmoking negatively impacts postoperative outcomes but acute abstinence from smoking during hospitalization can increase postoperative pain, lower pain thresholds, disrupt pain management, and trigger hyperalgesia due to abrupt nicotine withdrawal in tobacco users. Nicotine replacement therapy has been recommended to minimize these complications. We hypothesized that a high dose (21 mg/24 h) transdermal nicotine (TDN) patch would reduce postoperative pain and opioid requirements.MethodsOne hundred abstinent tobacco smokers undergoing single-level spinal fusion were randomized into placebo (n=50) and nicotine treatment (n=50) groups. Placebo and TDN patches were applied 24 hours before surgery until 48 hours after surgery. Primary outcomes were postoperative pain scores and opioid (morphine) consumption, and serum nicotine levels. The relationship between daily tobacco use and pain and opioid requirements, and between serum nicotine levels and morphine consumption, were assessed.ResultsPostoperative pain scores at rest and on movement were lower in the nicotine group than in the placebo group at 6 hours, 12 hours, and 24 hours after surgery (P<0.05). Postoperative morphine consumption was lower in the nicotine group than in the placebo group (9.92 ± 4.0 vs. 15.9 ± 5.0 mg, respectively; P=0.0002). There was a positive correlation between the number of cigarettes smoked per day and postoperative pain scores at rest (r = 0.4553; P = 0.0001) and during movement and a negative correlation between serum nicotine concentration and postoperative morphine consumption (r =-0.3664; P = 0.0089).ConclusionsTDN patches (21 mg/24 h) reduced postoperative pain and opioid requirements in abstinent tobacco smokes undergoing spinal fusion.Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.

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