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

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