Avascular necrosis of the hip: how common is it and when it does occur is there a common reason? Avascular necrosis of the hip or femoral head is not all that rare. Avascular necrosis refers to a process where the bone undergoes cell death due to a lack of bloodflow. There are a few different theories as to how that actually occurs, but there’s no definite mechanism established for it.
Probably the most common causes for avascular necrosis of the hip would be “idiopathic”. This is a fancy way for saying, “we don’t know why it happens”. Second, probably at some point in time there was the use of oral steroids. These are steroids taken for a medical reason. These have been linked to the development of osteonecrosis or avascular necrosis. Another predicting factor is a history of excessive alcohol use. Avascular necrosis of the hip or avascular necrosis of the femoral head has also been linked to some blood clotting disorders, viruses like HIV and medications used to treat HIV..
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Avascular necrosis of the hip.
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