in a prospective study on postoperative deep-vein thrombosis ( dvt ) detected by the fibrinogen test , the combination of dextran 70 and dihydroergotamine ( dhe ) compared to dextran 70 alone reduced the incidence of dvt in patients with hip fractures from 31 to 3 % .
C0011795
dextran 70
C0042487
of dvt