Doctor insights on:
What Can I Do To Prevent Or Lessen The Chance Of Avascular Necrosis
Options limited: Depends on the location and manner of fracture. Shoulder & hips at highest risk for avascular bone necrosis, so only real prevention is not getting injured to begin with. In some special cases you can take steps to reduce risk. Deep sea divers (due to the bends) and patients on high dose long term corticosteroids are more at risk. Talk to your dr. ...Read moreSee 1 more doctor answer
Also known as osteonecrosis, avascular necrosis is the death of bone from interruption of blood supply. This can result in tiny bone fractures and eventual destruction of the entire bone. It can be caused by trauma, blockage of circulation with lipids in the blood, certain diseases like sickle cell disease, Gaucher, and occasionally after exposure to corticosteroids. Sometimes, there ...Read more
Non union fracture of two years at distal pole of scaphoid which recieves 100 blood supply.What are the chances of avascular necrosis setting in?
Rare: As you stated, the distal pole of the scaphoid receives good blood supply. I believe you have a simple non-union that if it is not causing pain, no need for further treatment. The waist of the scaphoid is the most risky for avascular necrosis as it does not have good blood supply. If you are having pain, surgery to remove the non-union is possible. If no pain, recommend leaving it alone. ...Read more
AVN: More information needed. In some bones (humeral + femoral head) if diagnosed before collapse and arthritis begins, there may be some value to core decompression. Some centers have shown decreased progression of collapse with free vascular fibula grafting (hip). No consensus regarding treatment before collapse. Once collapse occurs, some sort of resurfacing/replacement required to manage pain. ...Read more
Osteonecrosis is a condition in which part of a person's bone dies due to lack of blood flow to the area. The hip and shoulder are more likely to be affected, but osteonecrosis can also involve the knee, elbow, wrist, or ankle. Trauma to the bone can cause osteonecrosis, often there ...Read more
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