• Mamdoh Al-Ameri, Per Bergman, Anders Franco-Cereceda, and Ulrik Sartipy.
• Heart and Vascular Theme, Karolinska University Hospital, Stockholm, Sweden.
• J Thorac Dis. 2018 Jun 1; 10 (6): 3499-3506.

BackgroundThe aim of this nationwide observational cohort study was to investigate the early postoperative complications and long-term survival following video-assisted thoracoscopic surgery (VATS) lobectomy compared to open thoracotomy lobectomy for early stage non-small cell lung cancer (NSCLC).MethodsWe used the Swedish national quality register for general thoracic surgery and included all patients who underwent lobectomy for NSCLC during 2012-2015. We compared postoperative complications and long-term survival in patients who underwent VATS lobectomy at our institution to patients who underwent open lobectomy at the other seven hospitals in Sweden. We used inverse probability of treatment weighting to limit differences in baseline characteristics between the groups and used standardized mean differences to assess balance after weighting.ResultsWe included 1,601 patients who underwent open (n=1,316) or VATS (n=285) lobectomy for NSCLC. The mean age was 67.7 years in both groups and comorbidities were well balanced, but the open thoracotomy group had a higher proportion of patients with more advanced cancer stage. After weighting, all baseline characteristics were well balanced. Most patients (84%) did not have postoperative complications; 83% vs. 86% in the open and VATS group, respectively (P=0.41). The 30- and 90-day mortality was 0.7% vs. 0.3% (P=0.38) and 1.7% vs. 0.3% (P=0.09) in the open thoracotomy and VATS group, respectively. There were significantly more transfusions (5.0% vs. 1.4%, P=0.008) and pneumonia (5.5% vs. 0.6%, P=0.002) in the in the open thoracotomy and VATS group, respectively. The overall survival at 1 and 5 years was 92% vs. 97% and 63% vs. 78% in the open thoracotomy and VATS group, respectively; HR (95% CI): 0.47 (0.33-0.68).ConclusionsWe found less postoperative complications and better long-term survival following VATS lobectomy compared to open thoracotomy lobectomy for NSCLC. The implementation of a VATS lobectomy program did not compromise patient safety or the oncological efficacy.

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