Femoral head necrosis lasts 20 years

Femoral head necrosis is usually caused by ischemia of bone cells in the femoral head, resulting in local collapse and apoptosis, thus producing corresponding symptoms and signs. Clinically, alcohol, hormone and creativity are more common. Most femoral head necrosis can not persist for 20 years, and generally develops rapidly in stage 2. It may develop into stage 3 and stage 4 in 3 months to half a year, especially hormone and alcohol. Therefore, it cannot be considered that femoral head necrosis can persist for 20 years. Total hip arthroplasty after femoral head necrosis, the general service life of about 20 years, but with individual differences.