Home » Joints » Hip » Role of Heparin in Hip Frx Role of Heparin in Hip Frx July 22, 2020 by Data Trace Editor 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. Dose relation in the prevention of proximal vein thrombosis with a low molecular weight heparin (tinzaparin) in elective hip arthroplasty. Prevention of fatal pulmonary embolism in patients with fractures of the neck of the femur. The thromboprophylactic effect of a low-molecular-weight heparin (Fragmin) in hip fracture surgery. A placebo-controlled study.