NaCl 7.2 % / 6 % hydroxyethyl starch 200/0 .5 significantly reduces levels of IL-6 and IL-10 at 4 h after cardiopulmonary bypass and intercellular adhesion molecule 1 and E-selectin at 4 h after cardiopulmonary bypass and on postoperative day 1 ( P < 0.05 for all ) .