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Background: Chylothorax (CHT) is a known post-operative complication after esophageal surgery with vaguely defined risk factors.  Methods: This is a retrospective chart review of 70 consecutive patients with operable cancer over a period of four years (January 2013 to December 2016). Ivor Lewis and McKeown interventions were performed. Thoracic duct is identified and ligated routinely. Factors related to the patient, the tumor, and the operating surgeon were analyzed.  Results: Incidence of CHT was 10%. Surgeons with less than five years of esophageal surgery experience had the most CHT, 71% (p=0.001). No association was found between tumor location, type, body mass index (BMI), neoadjuvant therapy, response to neoadjuvant therapy or male sex, and CHT. The odds of developing CHT were 17 times higher in patients operated by a junior surgeon (odds ratio, OR=17.67, confidence interval, CI 2.68-116.34, p=0.003). Four patients (5.7%) had anastomotic leaks, none of them had CHT. Senior surgeons had less operative time and harvested more lymph nodes (p=0.0002 and p=0.1086 respectively).  Conclusion: Surgeon’s experience might be considered a major risk factor to develop CHT. This finding needs to be confirmed by a larger multicentric series taking into consideration the human factor.

Evaluating the Surgeon’s Experience as a Risk Factor for Post-Esophagectomy Chylothorax on a Four-Year Cohort