Secondary AVN

AVN is know to occur much more frequently in certain groups of patients. This includes any condition that interferes with the blood flow to the hip or increases the likelihood of a blockage in the blood vessels within the hip.

Trauma to the hip joint

Metabolic or Haematological Conditions

Drugs may cause AVN

Avascular necrosis can also be a complication of osteoarthritis (see Arthritis) or of a slipped capital femoral epiphysis.

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