Avascular Necrosis

 It is a bone disease caused by a temporary or permanent loss of blood supply to the bone. No blood. Bone dies if the bone is close to the joint. The joint surface tends to collapse. Osteoarthritis of the hip due to lack of blood supply It most often affects the ends of bones such as the thighs, upper arms, knees, shoulders, ankles, hips and wrists. The disease can involve one or more bones at the same time or more than one bone in different regions. Osteoarthritis of the hip due to lack of blood supply Also called osteonecrosis, aseptic necrosis, and ischemic bone necrosis. This disorder affects men and women equally between the ages of 30 and 50. Ischemic necrosis of the hip is not a serious disease.