Ankylosing spondylitis (pronounced ank-kih-low-sing spon-dill-eye-tiss), or AS, is a form of arthritis that primarily affects the spine, although other joints can become involved. It causes inflammation of the spinal joints (vertebrae) that can lead to severe, chronic pain and discomfort. In the most advanced cases (but not in all cases), this inflammation can lead to new bone formation on the spine, causing the spine to fuse in a fixed, immobile position, sometimes creating a forward-stooped posture. This forward curvature of the spine is called kyphosis.
AS can also cause inflammation, pain and stiffness in other areas of the body such as the shoulders, hips, ribs, heels and small joints of the hands and feet. Sometimes the eyes can become involved (known as Iritis or Uveitis), and rarely, the lungs and heart can be affected. Consult top doctors in bangalore for Best Degenerative Disc Disease Specialist in Bangalore.
The hallmark feature of ankylosing spondylitis is the involvement of the sacroiliac (SI) joints during the progression of the disease, which are the joints at the base of the spine, where the spine joins the pelvis. Visit the Best Spine hospital in Bangalore, South India
If you are unable to stream the audiohere’s link to Dr. Khan’s interview about AS. Muhammad Asim Khan, M.D. is a member of SAA’s Medical & Scientific Advisory Board.
Currently, there is no known cure for AS, but there are treatments and medications available to reduce symptoms and manage the pain. Recent studies show that the new biologic medications can potentially slow or halt the disease progression in some people.
Although the exact cause of AS is unknown, we do know that genetics play a key role in AS. Most individuals who have AS also have a gene that produces a “genetic marker” – in this case, a protein – called HLA-B27. This marker is found in over 95% of people in the Caucasian population with AS (the association between ankylosing spondylitis and HLA-B27 varies greatly between ethnic and racial groups. It is important to note, however, that you do not have to be HLA-B27 positive to have AS. Also, a majority of the people with this marker never contract ankylosing spondylitis.
Scientists suspect that other genes, along with a triggering environmental factor, such as a bacterial infection, are needed to trigger AS in susceptible people. HLA-B27 probably accounts for about 40% of the overall risk, but then there are other genes working in concert with B27. There are probably five or six genes involved in susceptibility toward AS. It is thought that perhaps AS starts when the defenses of the intestines start breaking down and bacteria from the intestines pass into the bloodstream directly into the region where the sacroiliac joints are located.
The risk factors that predispose a person to ankylosing spondylitis include:
Unlike other forms of arthritis and rheumatic diseases, general onset of AS commonly occurs in younger people, between the ages of 17-45. However, it can affect children and those who are much older. AS is more common in men, but occurs in women as well.
The severity of AS varies greatly from person to person, and not everyone will experience the most serious complications or have spinal fusion. Some will experience only intermittent back pain and discomfort, but others will experience severe pain and stiffness over multiple areas of the body for long periods of time. AS can be very debilitating, and in some cases, lead to disability.
Almost all cases of AS are characterized by acute, painful episodes (also known as “flares”) followed by temporary periods of remission where symptoms subside.
It is important to know that ankylosing spondylitis is a chronic, or life long disease and that the severity of AS has nothing to do with age or gender. It can be just as severe in women and children as it is in men.
Remember that even if you have AS and are experiencing only mild symptoms, which you are able to manage quite well, it is important to see your rheumatologist once a year in order to detect and treat any underlying complications.
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