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What Causes Avascular Necrosis of Hip?

Avascular necrosis of the femoral head is associated with many conditions which all converge on a single common pathway: collapse of the femoral head and subsequent degenerative joint disease. These conditions include trauma, corticosteroid use, excessive alcohol consumption, systemic lupus erythematosus, sickle cell disease, renal failure or transplant, HIV, coagulopathies, connective tissue diseases, and Gaucher disease. Through mechanical interruption of blood flow, thrombosis/embolism, increased vascular pressure, or venous obstruction, essential blood flow to the femoral head is compromised leading to necrosis and inevitable collapse. Read More

Thomas Youm MD Orthopaedic Hip Knee Shoulder Surgeon Hip Arthroscopy New York NY img

Thomas Youm, MD, FACSBoard-Certified Orthopaedic Surgeon

Dr. Thomas Youm is a Board-Certified Orthopaedic Surgeon who specializes in the treatment of athletic injuries and performs arthroscopic and reconstructive surgery of the shoulder, knee, and hip. He has a special interest in joint preservation surgery for the active patient.


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  • Symptoms


    Though it can affect any bone, the ends of the thigh bone (femoral heads) are most commonly involved. Avascular necrosis does not show any symptoms in the initial stages of the disease but as it progresses.

  • Non-surgical treatment

    Non-surgical treatment

    Nonsurgical treatment involves the use of anti-inflammatory medications to relieve pain, blood thinning agents to reduce blood clots affecting blood flow, and cholesterol lowering agents to reduce fat deposition.

  • Surgical Treatment

    Surgical Treatment

    Core Decompression is the most commonly performed procedure for osteonecrosis in the last three decades. Core decompression is a minimally invasive procedure.

  • Stem Cell Therapy

     Stem Cell Therapy

    Stem cell therapy is a form of regenerative medicine that utilizes the body’s natural healing mechanism to treat various conditions.

Credibility Logos

  • American Academy of Orthopaedic Surgeons
  • International Society For Hip Arthoscopy
  • RYC Orthopaedics
  • American Orthopaedic Society for Sports Medicine
  • Arthroscopy Association of North America
  • Pro Medical New York,PLLC