• Interact Cardiovasc Thorac Surg · Jun 2020

    Multicenter Study Observational Study

    Effectiveness and safety of minimally invasive Ivor Lewis and McKeown oesophagectomy in Chinese patients with stage IA-IIIB oesophageal squamous cell cancer: a multicentre, non-interventional and observational study.

    • Tong Zhang, Xiaobin Hou, Yin Li, Xiangning Fu, Lunxu Liu, Lin Xu, and Yang Liu.
    • Department of Thoracic Surgery, Chinese PLA General Hospital, Beijing, China.
    • Interact Cardiovasc Thorac Surg. 2020 Jun 1; 30 (6): 812-819.

    ObjectivesTo compare the long-term overall survival and outcomes of patients with oesophageal squamous cell cancer treated with minimally invasive McKeown or Ivor Lewis oesophagectomy.MethodsA multicentre, non-interventional, retrospective, observational study was performed in oesophageal squamous cell cancer patients pathologically confirmed with stage IA-IIIB middle or lower thoracic tumours who underwent minimally invasive oesophagectomy between 1 January 2010 and 30 June 2017 in 7 hospitals in China. Cox proportional hazards models assessed factors associated with overall survival and disease recurrence. The primary outcome was overall survival and cancer recurrence; the secondary outcomes included number of lymph nodes resected, 30-day mortality and postoperative complications.ResultsA total of 1540 patients were included (950 McKeown, 590 Ivor Lewis). The mean age was 61.6 years, and 1204 were male. The mean number of lymph nodes removed during the McKeown procedure was 21.2 ± 11.4 compared with 14.8 ± 8.9 in Ivor Lewis patients (P < 0.001). The 5-year overall survival rates were 67.9% (McKeown) and 55.0% (Ivor Lewis). McKeown oesophagectomy was associated with improved overall survival (Ivor Lewis versus McKeown hazard ratio 1.36, 95% confidence interval 1.11-1.66; P = 0.003), particularly in patients with stage T3 tumours (middle thoracic oesophagus). However, postoperative complications occurred more frequently following McKeown oesophagectomy (42.2% vs 17.6% Ivor Lewis; P < 0.001).ConclusionsMinimally invasive McKeown oesophagectomy was associated with improved overall survival and a decreased risk of disease recurrence, while Ivor Lewis patients had fewer postoperative complications. McKeown oesophagectomy may represent the optimal technique for patients with stage T3 tumours.Clinical Trial Registration: Clinicaltrial.GovNCT03428074.© The Author(s) 2020. Published by Oxford University Press on behalf of the European Association for Cardio-Thoracic Surgery. All rights reserved.

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