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Definition of Avascular necrosis Avascular necrosis is the death of bone tissue due to a lack of blood supply. Also called osteonecrosis, avascular necrosis can lead to tiny breaks in the bone and the bone’s eventual collapse. The blood flow to a section of bone can be interrupted if the bone is fractured or theRead more

Avascular necrosis (AVN) is a condition that occurs when bone tissue dies because of too little blood supply. With avascular necrosis, the bone eventually collapses after tiny breaks (or microfractures) occur. Commonly, the condition affects the thigh bone (femur) in the hip area, but it can affect other bones in the body, including the jaw,Read more

As many as 20,000 people develop AVN each year. Most are between ages 20 and 50. For healthy people, the risk of AVN is small. Most cases are the result of an underlying health problem or injury. Possible causes include: Dislocation or fracture of the thigh bone (femur). This type of injury can affect theRead more

Avascular necrosis (AVN), or more correctly “osteonecrosis”, is a generic term referring to ischaemic death of the constituents of bone. AVN has a wide variety of causes and can affect nearly any bone in the body. Avascular necrosis increases the risk of osteoarthritis, In addition post-traumatic arthritis and avascular necrosis (osteonecrosis) are almost indistinguishable inRead more

Avascular necrosis is a localized death of bone as a result of local injury (trauma), drug side effects, or disease. This is a serious condition because the dead areas of bone do not function normally, are weakened, and can collapse. In advanced AVN, the disease course is unaffected by activity and will eventually require surgery.Read more

Avascular necrosis (AVN) is a condition that occurs when bone tissue dies because of too little blood supply. With avascular necrosis, the bone eventually collapses after tiny breaks (or microfractures) occur. Avascular Necrosis Prevention Avoiding injuries, such as fracture of bone and dislocation of joints, will eliminate the risk of trauma-associated avascular necrosis. The keyRead more

Osteonecrosis is caused by impaired blood supply to the bone, but it is not always clear what causes that impairment. Osteonecrosis often occurs in people with certain medical conditions or risk factors (such as high-dose corticosteroid use or excessive alcohol intake). However, it also affects people with no health problems and for no known reason.Read more