RESULTS	There was no significant difference in intraoperative blood loss between the HEA and HEATA groups ( 251.8 109.9 mL vs. 234.9 93.9 mL ) , but postoperative blood loss was significantly less in the HEATA group than the HEA group ( 439.3 171.6 mL vs. 1074.4 287.1 mL ) , as was total cumulative blood loss ( 674.2 216.4 mL vs. 1326.2 347.8 mL ) .\