Effect of perioperative oral nutritional supplementation in malnourished patients who undergo gastrectomy: A prospective randomized trial.

Background: The aim of this study was to examine the effect of a perioperative oral nutritional supplement in malnourished patients who undergo gastrectomy.

Methods: Patients who were determined as being moderately or severely malnourished according to a patient-generated subjective global assessment or who had a body mass index <18.5, were enrolled.