Outpatient Preoperative Parenteral Nutrition in Malnourished Surgical Patients

Olimel 7.6% E 1000 ml will be infused over 4-5 hours at outpatient infusion clinic for 5-10 days within 14 days prior to surgery.

Participants will receive nutrition therapy by registered dietitians within 14 days prior to surgery. Patients with SGA B and SGA C will receive advanced nutrition care and specialized nutrition care, respectively.