Home » Joints » Hip » References for Thromboembolic Rx in Hip Frx References for Thromboembolic Rx in Hip Frx Compression ultrasonography for the detection of deep venous thrombosis in patients who have a fracture of the hip. A prospective study. Low-molecular-weight heparinoid compared with warfarin for prophylaxis of deep-vein thrombosis in patients who are operated on for fracture of the hip. A prospective, randomized trial. Prevention of DVT after elective hip surgery. A randomized trial comparing low molecular weight heparin with standard heparin. Aspirin prophylaxis and surveillance of pulmonary embolism and deep vein thrombosis in total hip arthroplasty. Prevention of fatal pulmonary embolism in patients with fractures of the neck of the femur.