Stage 4 hip necrosis, also known as avascular necrosis (AVN) of the hip, is a condition in which the bone tissue in the hip joint dies due to a lack of blood supply. This is usually caused by a traumatic injury, such as a hip fracture, or by a medical condition, such as sickle cell anemia or lupus. The lack of blood supply results in the death of the bone cells, leading to a weakened bone structure and eventual collapse of the hip joint.
Stage 4 hip necrosis is the most severe form of AVN and is characterized by significant destruction of the hip joint. The initial symptoms of Stage 4 hip necrosis include pain in the groin, hip, and thigh, and a decreased range of motion in the hip joint. Over time, the pain may become more intense and constant, and the range of motion may become even more limited. As the condition progresses, the hip joint will eventually collapse, resulting in a limp and the inability to bear weight on the affected leg.
If left untreated, Stage 4 hip necrosis can lead to permanent disability. To prevent this from happening, it is important to seek medical attention as soon as possible. Treatment for Stage 4 hip necrosis typically consists of medications to reduce pain and swelling, physical therapy to restore range of motion, and possibly surgery to stabilize the hip joint. In some cases, joint replacement may also be necessary.
With early detection and proper treatment, Stage 4 hip necrosis can be managed effectively and the risk of long-term complications can be reduced. It is important to remain vigilant for signs and symptoms of AVN and to seek medical attention as soon as possible if any are present.