Abstract
BackgroundSmoking has long been recognized as a risk factor for impaired wound and bone healing, particularly in the context of ankle and foot surgery. Despite numerous studies exploring the association between smoking and complications following ankle replacement, there remains significant inconsistency in their findings. Therefore, this meta-analysis study aims to elucidate whether smoking increases the rate of complications after total ankle arthroplasty (TAA), providing valuable insights for clinical management. MethodsA comprehensive systematic search was conducted in the PubMed, Embase, and Wiley databases to identify relevant English studies on the influence of smoking on postoperative complications following ankle replacement without any restrictions on publication dates. The quality of the included studies was assessed using the Newcastle-Ottawa Scale. Random-effect models were used to calculate odds ratios (OR) and 95 % confidence intervals (CI). This study adhered to PRISMA guidelines for transparent reporting and was registered with PROSPERO. ResultsThe analysis incorporated data from 12 retrospective cohort studies, totaling 17331 subjects, 2580 of whom were smokers and 791 complications following TAA. The findings revealed a statistically significant disparity in wound-related complications (OR: 2.26; 95 % CI: 1.13–4.50; P = .02), particularly evident in current smokers with an OR of 3.30 (95 % CI: 2.12–5.14; P < .00001). However, we lacked sufficient evidence to substantiate an association between smoking and complications related to the prosthesis (OR: 1.09; 95 % CI: 0.77–1.53; P = .64) or systemic complications (OR: 1.18; 95 % CI: 0.10–14.13; P = .90) following TAA. ConclusionsSmoking, especially current smoking, is associated with increased wound complication risk post-operation for total ankle arthroplasty. Despite a lack of definitive evidence on the optimal timeframe for smoking cessation before surgery, discontinuing smoking appears to be a prudent measure to mitigate these complications.
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