This causes progressive secondary arthritis and can lead to the collapse of the bone. That is a result of abnormal microcirculation and causes mobile death (necrosis). Hip osteonecrosis, also known as avascular necrosis or aseptic necrosis, is a affliction characterised because of the death of bone tissue during the hip joint https://www.theorthopaedicandpainpractice.com/what-is-avascular-necrosis-of-the-hip/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB