Comparing Enoxaparin to Fondaparinux to Prevent Venous Thromboembolism (VTE) in Bariatric Surgical Patients

Patients will receive enoxaparin 40mg subcutaneously twice daily during perioperative period of bariatric surgery. Patients will be encouraged to ambulate and compression stockings while in bed.

Fondaparinux 5mg subcutaneously 6 hours following surgery, fondaparinux 5mg subcutaneously once daily during hospitalization. Patients will be encouraged to ambulate and compression stockings while in bed.