Avascular necrosis is the death of bone tissue due to a lack of blood supply. Also called osteonecrosis, it can lead to tiny breaks in the bone and cause the bone to collapse. The process usually takes months to years.
A broken bone or dislocated joint can stop the blood flow to a section of bone. Avascular necrosis is also associated with long-term use of high-dose steroid medications and too much alcohol. .
Anyone can be affected. But the condition is most common in people between the ages of 30 and 50.
Core decompression is a surgical procedure that involves surgical drilling into the area of dead bone near the joint. This reduces pressure, allows for increased blood flow, and slows or stops bone and/or joint destruction. Core decompression is commonly performed to treat osteonecrosis.
The surgical procedure can be completed within two hours. To perform a hip replacement, the surgeon:
Before you leave the hospital, you and your caregivers will get tips on caring for your new hip. For a smooth transition: