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Influence of smoking on spinal fusion after spondylodesis surgery: A comparative clinical study
Background:
Smoking is a risk factor in the process of bone healing after lumbar spondylodesis, often associated with complications that occur intraoperatively or during follow-up periods.
Objective:
To assess if smokers yield worse results concerning lumbar interbody fusion than non-smokers in a clinical comparative setting.
Methods:
Spondylodesis outcomes in 50 patients, 34 non-smokers (mean 58 years; (range 29-81) and 16 smokers (mean 47 years; range 29-75) were compared preoperatively and one year after spondylodesis surgery using Oswestry-Disability-Index (ODI), visual analogue scale (VAS) and radiological outcome analysis of fusion-success.
Results:
Smokers showed a comparable ODI-improvement (p = 0.9343) and pain reduction to non-smokers (p = 0.5451). The intake of opioids was only reduced in non-smokers one year after surgery. Fusion success was significantly better in non-smokers (p = 0.01).
Conclusions:
The results indicate that smoking adversely effects spinal fusion. Particularly re-operations caused by pseudarthrosis occur at a higher rate in smokers than in non-smokers.
