Hydroxyethyl starch (HES) 130/0.4 provides larger and faster increases in tissue oxygen tension in comparison with prehemodilution values than HES 70/0.5 or HES 200/0.5 in volunteers undergoing acute normovolemic hemodilution.
Standl T, Burmeister MA, Schroeder F, et al.
Anesth Analg 2003;96(4):936-943.