: decreased concentration of cells and solids in the blood resulting from gain of fluid
Word History
First Known Use
1939, in the meaning defined above
Medical Definition
hemodilution
noun
he·mo·di·lu·tion
variants or chiefly British haemodilution
-dī-ˈlü-shən, -də-
1
: decreased concentration (as after hemorrhage) of cells and solids in the blood resulting from gain of fluid compare hemoconcentration
2
: a medical procedure for producing hemodilution
especially: one performed especially to reduce the number of red blood cells lost during surgery that involves the preoperative withdrawal of one or more units of whole blood, immediate replacement with an equal volume of intravenous fluid (as saline solution), and postoperative reinfusion of withdrawn blood
hemodilution can be a safe and cost-effective alternative to preoperative autologous donation P. V. Holland et al.