Early Oral Feeding Following McKeown Minimally Invasive Esophagectomy: An Open-label, Randomized, Controlled, Noninferiority Trial

Objective: Our objective was to evaluate the impact of early oral feeding (EOF) on postoperative cardiac, respiratory, and gastrointestinal (CRG) complications after McKeown minimally invasive esophagectomy for esophageal cancer. Summary Background Data: Nil-by-mouth with enteral tube feeding is routinely practiced after esophagectomy. Methods: Patients were randomly allocated to receive oral feeding on the first postoperative day (EOF group) or late oral feeding (LOF group) 7 days after surgery. The primary endpoint was the occurrence of postoperative CRG complications, and the secondary outcomes included bowel function recovery and short-term quality of life (QOL). Results: Between February 2014 and October 2015, 280 patients were enrolled in this study. There were 140 patients in the EOF group and 140 patients in the LOF group. EOF was noninferior to LOF for CRG complications (30.0% in the EOF group vs. 32.9% in the LOF group; 95% confidence interval of the difference: −13.8% to 8.0%). Compared with the LOF group, the EOF group showed significantly shorter time to first flatus (median of 2 days vs. 3 days, P = 0.001) and bowel movement (median of 3 vs. 4 days, P

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