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  • Title: Osteonecrosis of the Femoral Head.
    Author: Cohen-Rosenblum A, Cui Q.
    Journal: Orthop Clin North Am; 2019 Apr; 50(2):139-149. PubMed ID: 30850073.
    Abstract:
    Osteonecrosis of the femoral head most commonly arises from trauma or corticosteroid and alcohol use but is also associated with blood dyscrasias and metabolic and coagulation disorders. Initial evaluation includes a history and physical examination and plain radiographs. Early-stage osteonecrosis is best evaluated by MRI. The Ficat and Arlet classification system is the most widely used. Nonoperative treatment has been studied using bisphosphonates, anticoagulants, vasodilators, statins, and biophysical modalities. Operative treatment includes core decompression with or without adjuvants, such as autologous bone marrow, whereas total hip arthroplasty is reserved for advanced-stage osteonecrosis in older patients or those who have failed joint-preserving treatment.
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