High risk factors and exsit therapies for Osteonecrosis of the Femoral Head (ONFH)

Osteonecrosis of the Femoral Head (ONFH) is a kind of illness symbolized by the presence of a necrotic bone lesion in the femoral head. It usually caused by blood supply block in this area. Its pathogenesis usually is divided into traumatic pathologeny and non-traumatic pathogeny group, but this doesnt have much influence on subsequent therapy. ONFH can last for several years, cause huge economic and mental stress for patients and their family, some useful treatments also can cost tens of thousands of dollars, while they also have some sequelas. The therapeutic schedule usually influenced by gender, age, physical condition, financial situation, and psychologic status. Because of some more and more common high-risk factors, like glucocorticoids, intemperance and immune diseases, the incidence of the population showed a trend of younger, that is why it has gained more attention than the last century. This article mainly focuses on high-risk factors, pathological diagnosis and stage, and common treatments. Combining with fast changing treatments, the doctors and patients choose a suitably personal therapeutic method together has become a prevalent tendency.