Perioperative restricted fluid therapy preserves immunological function in patients with colorectal cancer

Table 1 Perioperative fluid regimens

Perioperative period	Restricted fluid	Standard fluid
Preloading of epidural analgesia	No preloading	500 mL 6% HAES
During the operation	7 mL/kg RL in first hour; 5 mL/kg per hour RL in following hours	12 mL/kg per hour RL
Remainder of the operation day	1000 mL 5% glucose (with potassium if needed)	12 mL/kg per hour RL
Days following operation	1000-1500 mL crystalloid	2000-2500 mL crystalloid

HAES: Hydroxyethyl starch; RL: Lactated Ringer’s solution.