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What is avascular necrosis (AVN)?
Avascular necrosis (also called Osteonecrosis) is the death of bone tissue resulting from loss of blood flow to the bones.
AVN Overview
This link provides a clear definition of avascular necrosis. You’ll notice that avacular necrosis most commonly affects the femur resulting in hip pain. Pay special attention to the introduction and causes sections, but feel free to explore the other links on this site.
AVN Q & A
This comprehensive link provides a detailed overview of avascular necrosis, including, causes, people at risk for developing the disease, symptoms, methods of diagnosis and possible treatments. Note: that this link uses the term osteonecrosis. Remember that osteonecrosis and avascular necrosis mean the same thing.
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What clinical findings (signs, symptoms,
and test results) indicate avacular necrosis?
When avascular necrosis is in its early stages a patient may not have any symptoms. Symptoms become more evident as the disease progresses. Symptoms include:
Test Results
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Treatment Options
Treatment for avascular necrosis depends on its severity. Milder cases may benefit from simple pain medication, like aspirin or ibuprofen, and rest. More severe cases may even require surgery. Click here to learn more about treatment options.
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Science Links
Aspirin Overview
Treatment options in this rotation often suggest the use of nonsteroidal anti-inflammatory medications like aspirin and ibuprofen. Click on this link for a comprehensive look at aspirin, how it is used, and possible side effects.
Ibuprofen Overview
Treatment options in this rotation often suggest the use of nonsteroidal anti-inflammatory medications like aspirin and ibuprofen. Click on this link for a comprehensive look at ibuprofen, how it is used, and possible side effects.
How you feel pain
This link describes the types of pain, how we feel pain and how pain may manifest itself.
Why do I have pain?
Written for kids, this site gives a good, but simple overview on pain and how experiencing pain can actually help our bodies.
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