Start New Search. What is avascular necrosis? What causes avascular necrosis? Avascular necrosis may be the result of: Injury Broken bone fracture Harm to blood vessels Long-term use of medicines, such as corticosteroids Heavy, long-term use of alcohol Certain long-term chronic health conditions. Who is at risk for avascular necrosis? You are more at risk if any of these apply to you: Injury Bone surgery Steroid use Alcohol use Blood disorders, such as sickle cell anemia Radiation treatments Chemotherapy Pancreatitis Diver's disease or "the bends" decompression sickness Blood clots easily High cholesterol Autoimmune disease HIV.
What are the symptoms of avascular necrosis? Symptoms may include: Minor early joint pain Joint pain gets worse as bone and joint start to collapse Limited range of motion because of pain The symptoms of avascular necrosis may look like other health conditions or bone problems.
How is avascular necrosis diagnosed? Along with a complete medical history and physical exam, you may have one or more of the following tests: X-ray.
This test uses energy beams to make images of internal tissues, bones, and organs onto film. CT scan. This is an imaging test that uses X-rays and a computer to make detailed images of the body. A CT scan shows details of the bones, muscles, fat, and organs. CT scans are more detailed than general X-rays. This test uses large magnets, radio waves, and a computer to make detailed images of organs and structures in the body.
Radionuclide bone scan. This imaging test uses a very small amount of radioactive material. It is injected into the blood to be seen by a scanner. This test shows blood flow to the bone and cell activity in the bone. The healthcare provider removes tissue samples with a needle or during surgery. The samples are looked at under a microscope.
Because most patients are diagnosed in late Stage III or IV of the disease, when the bone quality of the femoral head is poor subchondral fracture or has collapsed, total hip replacement is the most successful treatment for AVN.
This procedure replaces the damaged bone with artificial parts. Recovery takes about eight weeks. If left untreated, AVN progresses and results in pain and severe osteoarthritis. Treatment decisions for AVN are ultimately up to the patient and are based on his or her lifestyle and goals. If you are suffering with hip pain, talk with your primary care doctor about a referral to an orthopedic surgeon. UPMC in north central Pa. It starts with our primary care physicians , here to listen and lean on for your everyday health.
For more specialized care, many of our programs have earned national recognition for quality and safety. From breast health to heart health , relieving joint pain to conquering cancer, you can count on our expertise when you need it. This test uses invisible electromagnetic energy beams to make images of internal tissues, bones, and organs onto film. This is an imaging test that uses X-rays and a computer to make detailed images of the body.
A CT scan shows details of the bones, muscles, fat, and organs. CT scans are more detailed than general X-rays. Magnetic resonance imaging MRI. This test uses large magnets, radiofrequencies, and a computer to make detailed images of organs and structures within the body. Radionuclide bone scan.
This nuclear imaging technique uses a very small amount of radioactive material, which is injected into the blood to be detected by a scanner. This test shows blood flow to the bone and cell activity within the bone. A procedure in which tissue samples are removed with a needle or during surgery from the body for exam under a microscope.
Functional evaluation of bone. Tests that usually involve surgery to measure the pressure inside the bone. Specific treatment for avascular necrosis will be determined by your healthcare provider based on:.
Eventually, most people with avascular necrosis need surgery. Blahd Jr. Author: Healthwise Staff. Medical Review: William H. This information does not replace the advice of a doctor.
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