The Effects of Preoperative and Postoperative Oral Nutritional Supplements in Malnourished Post-gastrectomy Patients

A Prospective Randomized Controlled Trial Evaluating the Effects of Preoperative and Postoperative Oral Nutritional Supplements (ONS) in Malnourished Post-gastrectomy Patients

The objective of this study is to evaluate the effect of a perioperative nutrition strategy using oral nutritional supplements (ONS) on postoperative complications and improvement in body weight in malnourished patients who underwent gastrectomy.

Inclusion Criteria:

• Patients older than 20 years
• Patients who undergo distal, total, proximal, or pylorus-preserving gastrectomy
• Patients who are assessed as moderate or severe malnourished according to PG-SGA or patients with BMI lower than 18.5 kg/m2
• Patients who can take oral meals
• Patients who agree on the informed consent

Exclusion Criteria:

• Emergent operation
• Patients who received preoperative chemotherapy or radiation therapy within 6 months
• Pregnant patients
• Patients who cannot consume the Ensure powder
• Patients who enrolled another clinical trials