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- W2000334667 abstract "The benefit of smoking cessation just prior to surgery in preventing postoperative pulmonary complications has not been proven. Some studies actually show a paradoxical increase in complications in those quitting smoking only a few weeks or days prior to surgery. We studied the effect of smoking and the timing of smoking cessation on postoperative pulmonary complications in patients undergoing thoracotomy.Prospective study conducted in a tertiary care cancer center in 300 consecutive patients with primary lung cancer or metastatic cancer to the lung who were undergoing anatomical lung resection.The groups studied were nonsmokers (21%), past quitters of > 2 months duration (62%), recent quitters of < 2 months duration (13%), and ongoing smokers (4%). Overall pulmonary complications occurred in 8%, 19%, 23%, and 23% of these groups, respectively, with a significant difference between nonsmokers and all smokers (p = 0.03) but no difference among the subgroups of smokers (p = 0.76). The risk of pneumonia was significantly lower in nonsmokers (3%) compared to all smokers (average, 11%; p < 0.05), with no difference detected among subgroups of smokers (p = 0.17). Comparing recent quitters and ongoing smokers, no differences in pulmonary complications or pneumonia were found (p = 0.67). Independent risk factors for pulmonary complications were a lower diffusing capacity of the lung for carbon monoxide (Dlco) [odds ratio [ OR] per 10% decrement, 1.41; 95% confidence interval [ CI], 1.17 to 1.70; p = 0.01) and primary lung cancer rather than metastatic disease (OR, 3.94; 95% CI, 1.34 to 11.59; p = 0.003). Among smokers, a lower Dlco percent predicted (OR per 10% decrement, 1.42; 95% CI, 1.16 to 1.75; p = 0.008) and a smoking history of > 60 pack-years (OR, 2.54; 95% CI, 1.28 to 5.04; p = 0.0008) were independently associated with overall pulmonary complications.In patients undergoing thoracotomy for primary or secondary lung tumors, there is no evidence of a paradoxical increase in pulmonary complications among those who quit smoking within 2 months of undergoing surgery. Smoking cessation can safely be encouraged prior to surgery." @default.
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- W2000334667 date "2005-06-01" @default.
- W2000334667 modified "2023-10-16" @default.
- W2000334667 title "Smoking and Timing of Cessation" @default.
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- W2000334667 doi "https://doi.org/10.1378/chest.127.6.1977" @default.
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