because to use protein most effectively, and to store it, you need to
exercise so you can build muscle."
As the day of the procedure approaches, you can employ other
methods. Studies have shown that supplements containing arginine
and fish oil are beneficial with administration for a 5-day duration
before surgery, says Dr. Evans.
Loading up on carbohydrates is also key for pre-op nutrition, says
Dr. Evans. "Going through major surgery is no different, really, than
putting your body through an intense athletic event," he explains. "So
carbohydrate-loading is a strategy that's really emerged for pre-opera-
tive optimization of patients. Giving the patient extra sugars pre-op
basically improves their insulin sensitivity, reduces thirst and hunger
both pre-op and post-op, improves hydration in the perioperative set-
M A R C H 2 0 1 9 • O U T PA T I E N T S U R G E R Y. N E T • 4 7
