• Wen-Wen Huang, Wen-Zhi Zhu, Dong-Liang Mu, Xin-Qiang Ji, Xiao-Lu Nie, Xue-Ying Li, Dong-Xin Wang, and Daqing Ma.
• From the Department of Anesthesiology and Critical Care Medicine, Peking University First Hospital, Beijing, China.
• Anesth. Analg. 2018 May 1; 126 (5): 1666-1674.

BackgroundSurgical resection is the main treatment for patients with non-small-cell lung cancer (NSCLC), but patients' long-term outcome is still challenging. The purpose of this study was to identify predictors of long-term survival in patients after lung cancer surgery.MethodsPatients who underwent surgery for NSCLC from January 1, 2006, to December 31, 2009, were enrolled into this retrospective cohort study. The primary outcome was the survival length after surgery. Predictors of long-term survival were screened with the multivariable Cox proportional hazard model.ResultsPostoperative follow-up was completed in 588 patients with a median follow-up duration of 5.2 years (interquartile range, 2.0-6.8). Two hundred ninety-one patients (49.5%) survived at the end of follow-up with median survival duration of 64.3 months (interquartile range, 28.5-81.6). The overall survival rates were 90.8%, 70.0%, and 57.1% at the end of the first, third, and fifth year after surgery, respectively. Limited resection (hazard ratio [HR], 1.46; 95% confidence interval [CI], 1.08-1.98; P = .013) and large tumor size (HR, 1.29; 95% CI, 1.17-1.42; P < .001) were associated with short survival; whereas high body mass index grade (HR, 0.82; 95% CI, 0.69-0.97; P = .021), highly differentiated tumor (HR, 0.59; 95% CI, 0.37-0.93; P = .024), dissection of mediastinal lymph node during surgery (HR, 0.45; 95% CI, 0.30-0.67; P < .001), and perioperative use of dexamethasone (HR, 0.70; 95% CI, 0.54-0.90; P = .006) were associated with long survival. No association was found between perioperative use of flurbiprofen axetil and long survival (HR, 0.80; 95% CI, 0.62-1.03; P = .086). However, combined administration of dexamethasone and flurbiprofen axetil was associated with longer survival (compared to no use of both: adjusted HR, 0.57; 95% CI, 0.38-0.84; P = .005).ConclusionsCertain factors in particular perioperative dexamethasone and flurbiprofen axetil therapy may improve patients' long-term survival after surgery for NSCLC. Given the small sample size, these findings should be interpreted with caution, and randomized clinical trials are needed for further clarification.

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