Avascular Necrosis: What Is It?
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Avascular necrosis (AVN) is a condition in which the bone tissue dies due to an interruption in the blood supply. This condition can affect any part of the body, but it is most commonly found in the hip, knee, shoulder, and ankle joints. AVN can be caused by a variety of factors, including trauma, medical treatments, and underlying medical conditions.
Symptoms of Avascular Necrosis
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The symptoms of AVN vary depending on the affected area and the severity of the condition. Common symptoms of AVN include joint pain, stiffness, and decreased range of motion. In some cases, the joint may appear misshapen or swollen. As the condition progresses, the affected joint may become weak and collapse.
Diagnosis of Avascular Necrosis
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The diagnosis of AVN is based on a physical examination, imaging tests, and, in some cases, biopsy. Imaging tests, such as X-rays, CT scans, and MRI scans, can help doctors to identify the area of bone damage and to determine the severity of the condition. A biopsy may be required to confirm the diagnosis.
Treatment of Avascular Necrosis
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Treatment for AVN depends on the severity of the condition and the affected area. In some cases, medications can be prescribed to reduce pain and inflammation. Physical therapy may be recommended to help manage the symptoms and preserve joint function. If the condition is severe, surgery may be necessary to repair or replace the affected joint.
How Long Does It Take for Avascular Necrosis to Heal?
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The amount of time it takes for AVN to heal depends on the severity of the condition and the treatment that is being used. Mild cases of AVN may heal in a few weeks with the use of medications and physical therapy. More severe cases can take several months to a year to heal. Surgery may be necessary to repair any damage to the joint, and the recovery time for surgery can vary from weeks to months.