Abstract
Elderly patients with a hip fracture are at significantly higher risk for developing venous thromboembolism (VTE). The incidence of fatal pulmonary embolism (PE) occurs in 2-3% of patients after elective hip and knee surgery and about 6-7% after hip fracture surgery, with a higher risk in men (10,2%) than in women (4,7%). The use of pharmacological prophylaxis significantly reduces the incidence of symptomatic VTE. Pharmacological prophylaxis includes the use of antiplatelet drugs (aspirin), unfractionated heparin (UFH), low molecular weight heparins (LMWH), vitamin K antagonists (VKA), Fondaparinux and direct oral anticoagulants (DOAC). The use of low molecular weight heparins (LMWH) - enoxaparin, represents the gold standard of thromboprophylaxis in orthopedic surgery, and for now, they are the only drugs that are recommended for thromboprophylaxis in hip fracture surgery. Rivaroxaban is used in the prophylaxis of VTE in elective hip and knee surgeries at a fixed dose of 10 mg once daily, and apixaban at a dose of 2,5 mg twice daily in knee arthroplasty for at least 14 days, and after hip arthroplasty for at least 35 days. Early hip fracture surgery as soon as possible, preferably within 24 hours, and no later than 48 hours after admission to the hospital, significantly reduces the morbidity and mortality of elderly patients.
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