Perioperative smoking cessation in vascular surgery: challenges with a randomized controlled trial

Mette Kehlet, Sabine Heeseman, Hanne Tønnesen, Torben V Schroeder, Mette Kehlet, Sabine Heeseman, Hanne Tønnesen, Torben V Schroeder

Abstract

Background: The effect of intensive smoking cessation programs on postoperative complications has never before been assessed in soft tissue surgery when smoking cessation is initiated on the day of surgery.

Methods: A single-blinded randomized clinical trial conducted at two vascular surgery departments in Denmark. The intervention group was offered the Gold Standard Program (GSP) for smoking cessation intervention. The control group was offered the departments' standard care. Inclusion criteria were patients with planned open peripheral vascular surgery and who were daily smokers. According to the power calculation a total of 144 patients were needed in the trial.

Results: Due to slow patient inclusion, the trial was terminated prior to fulfilling the power calculation. Thirty-two patients were included in the trial from March 2011 to September 2012. Of these, 11 were randomized to the GSP intervention and 21 as controls. There was no difference in 30-day complication rates or 6-week abstinence rates between the two groups.

Conclusions: A trial assessing the effect of smoking cessation on postoperative complications on the day of soft tissue surgery is still needed. If another trial is to be planned it must be more pragmatic with less extended inclusion criteria and conducted nationally or internationally to ensure enough patients for the trial.

Trial registration: ClinicalTrials.gov ( NCT01469091 ). Registration date: 27 October 2011.

Figures

Fig. 1
Fig. 1
Flow chart for patient eligibility and inclusion. Phase 1: 1 March 2011 to 31 December 2011, acute/subacute admittance. Phase 2: 1 January 2012 to 30 September 2012, acute/subacute and elective admittance
Fig. 2
Fig. 2
Flow chart for patient inclusion, randomization and completion of the trial

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Source: PubMed

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