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FAQs
How serious is osteonecrosis of the knee? ›
Osteonecrosis is a devastating disease that can lead to end-stage arthritis of various joint including the knee. There are three categories of osteonecrosis that affect the knee: spontaneous osteonecrosis of the knee (SONK), secondary, and post-arthroscopic.
How fast does osteonecrosis of the knee progress? ›It may take several months to more than a year for the disease to progress. It is important to diagnose osteonecrosis early, because some studies show that early treatment is associated with better outcomes.
What is Stage 4 osteonecrosis of the knee? ›Stage IV is the end stage with femoral head collapse, flattening, and narrowing of the joint space. The Steinberg classification incorporates the use of MRI to detect a pre-clinical lesion and also to assess the size of the lesion. Spontaneous osteonecrosis of the knee (SONK) is the most common type.
What exercises are good for osteonecrosis of the knee? ›For example, stretching exercises and movements such as leg lifts or squats can prevent the joint from becoming stiff. In addition, adding exercise such as tai chi or swimming to your regular workout routine can help you maintain flexibility in the joint without putting too much stress on the bones.
Is osteonecrosis of the knee a disability? ›If you are impaired by AVN and unable to work, you may be eligible for Social Security disability benefits. There are two disability programs: Social Security Disability Insurance, which is known as SSDI, and Supplemental Security Income—commonly referred to as SSI.
Should I walk with osteonecrosis? ›Your health care provider might recommend: Rest. Restricting physical activity or using crutches for several months to keep weight off the joint might help slow the bone damage.
How painful is osteonecrosis? ›Most people first experience pain when they put weight on the affected joint, but eventually the joint may feel painful even when resting. Over time, the joint may stiffen and lose its range of motion, and osteoarthritis may set in. If the end of the bone collapses, the pain may intensify abruptly.
Can osteonecrosis spread to other bones? ›If avascular necrosis happens near a joint, the joint surface may collapse. This condition may happen in any bone. It most commonly happens in the ends of a long bone. It may affect one bone, several bones at one time, or different bones at different times.
What is the outcome if osteonecrosis is left untreated? ›Osteonecrosis occurs when part of the bone does not get blood flow and dies. After a while, the bone can collapse. If osteonecrosis is not treated, the joint deteriorates, leading to severe arthritis.
What is the recovery time for osteonecrosis knee surgery? ›Typically, procedures that involve core decompression—which may or may not also include a bone graft or injection of organic materials—take 6 to 12 months to heal fully. You may or may not need to stay overnight in the hospital.
Can osteonecrosis lead to sepsis? ›
Avascular necrosis may predispose joints to a septic process particularly in the immunosuppressed individual.
Can bone regenerate after osteonecrosis? ›Bone regeneration was observed in osteonecrotic femoral heads three months after expanded autologous BM-hMSC injection, and the volume and location of regeneration indicated the success of the therapy.
What is the new treatment for osteonecrosis? ›HBO therapy is particularly useful for people with avascular necrosis in combination with stem cell treatments. “Stem cells are very beneficial to avascular necrosis because they can help repair the damaged blood supply and the dead bone,” says Daniel Wiznia, MD, a Yale Medicine orthopaedic surgeon.
What vitamins help osteonecrosis? ›Glucocorticoid medication is one of the most common causes of atraumatic osteonecrosis of the femoral head (ONFH), and vitamin K2 (VK2) has been shown to play an important and beneficial role in bone metabolism.
Is heat good for osteonecrosis? ›Living With Osteonecrosis
Care for your joints by using cold packs to ease swelling and numb pain. Heat treatments, such as hot showers or heating pads, help soothe stiff joints and muscles.
However, patients suffering from AVN will generally progress through the four stages rapidly. Osteonecrosis patients can progress from stage one to stage four in less than 18 months, with many patients experiencing rapid decline in just a few months.
Do you need surgery for osteonecrosis? ›Nonsurgical treatment can often slow the progression of osteonecrosis, but most people will need surgery. Surgical options include: A bone graft.
Can you live with osteonecrosis? ›Regardless of whether you've been treated with medication or surgery, most people fully recover from osteonecrosis and are eventually able to use the affected joint without pain. Browse our specialists and get the care you need.