Many clinical trials and meta-analyses have shown that subcutaneous injections of LMWH are comparable to continuous infusions of UFH for initial therapy; [58] however, oral vitamin K antagonists ...

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. ...