What Is AVN (Avascular Necrosis)?
The bones and bone marrow in the human body require a continuous blood supply to remain healthy. Bone cells work together to maintain strength, repair microscopic damage, and support normal movement. Throughout life, our bones constantly renew themselves through a natural process of breakdown and rebuilding.
When the blood supply to a bone is reduced or interrupted, the bone tissue may begin to die. This condition is known as Avascular Necrosis (AVN), also called Osteonecrosis. As the condition progresses, the affected bone can weaken, collapse, and lead to severe pain, reduced mobility, and joint damage.
AVN most commonly affects weight-bearing joints such as the hip, but it can also occur in the knee, shoulder, or ankle.
According to estimates, several lakh people in India are affected by bone and joint disorders each year, including cases of Avascular Necrosis. Early diagnosis and timely treatment can help preserve joint function and improve quality of life.
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FAQs
What is AVN?
AVN (Avascular Necrosis) is a condition where reduced blood supply causes bone tissue damage, commonly affecting the hip joint.
What are the early symptoms of AVN?
Hip pain, groin pain, stiffness, limping, and difficulty walking are common early symptoms.
Can AVN be treated without surgery?
Depending on the stage and severity, non-surgical treatment options may help manage symptoms and improve function.
What causes AVN?
Common causes include trauma, steroid use, excessive alcohol consumption, and reduced blood supply to the bone.
Which joints are commonly affected by AVN?
The hip joint is most commonly affected, followed by the knee, shoulder, and ankle.
How is AVN diagnosed?
Diagnosis may involve clinical examination, X-rays, MRI scans, and other imaging studies.
What are the stages of AVN?
AVN progresses from early bone damage to advanced joint collapse if left untreated.
Is hip replacement always necessary for AVN?
Not always. Early diagnosis may provide more treatment options before joint replacement becomes necessary.
How long does AVN treatment take?
Treatment duration depends on the stage of AVN and the patient’s overall condition.
When should I consult a specialist for AVN?
If you have persistent hip pain, stiffness, or difficulty walking, you should seek medical evaluation.