In a double-blind, non-inferiority trial of 2,927 patients undergoing high-risk abdominal surgery, fondaparinux 2.5 mg was comparable to dalteparin 5,000 U in preventing thrombosis (4.6% versus 6. ...

While fondaparinux has been available for nearly ... During the postoperative period, patients were given dalteparin 7500 units subcutaneously daily for VTE prophylaxis; that dosage was higher ...