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Risk factors for osteonecrosis of the femoral head
| Direct | Indirect |
| Femoral head/neck fracture | Chronic corticosteroid use |
| Hip dislocation | Excessive alcohol consumption |
| Slipped capital femora epiphysis | Coagulation disorders |
| Radiation | Hemoglobinopathies |
| Sickle cell disease | Dysbaric phenomena |
| Caisson disease | Autoinmune diseases |
| Myeloproliferative disorders | Smoking |
| Hyperlipidemia |
