Ankylosing spondylitis

What are the symptoms of Ankylosing spondylitis?

Early signs and symptoms of ankylosing spondylitis may limit in your back and hip. When the disease develops, other organs may be involved.

  • Chronic pain in your lower back and hips, stiffness in your lower back or hip area, especially in the morning and after periods of inactivity. As disease progresses, your symptoms get worse and you may feel pain and stiffness over time.
  • Joint pain
  • Joint swelling
  • Stiff, inflexible spine
  • Eye inflammation or uveitis
  • Restricted expansion of your chest
  • Low fever
  • Fatigue
  • Loss of appetite
  • Weight loss

What causes Ankylosing spondylitis?

The cause of ankylosing spondylitis is unknown, but genes seem to play a role.

The disease most often begins between ages 20 and 40 but may begin before age 10. It affects more males than females. Risk factors include:

  • Family history of ankylosing spondylitis
  • Male gender

Who is at highest risk?

The cause of ankylosing spondylitis is not clear. Researches demonstrate the following factors may be associated with this disease.

  • Heredity: Almost 90% of patients with ankylosing spondylitis are born with the HLA-B27 gene. Recent data demonstrate gene ARTS1 and IL23R are associated with ankylosing spondylitis.
  • Gender: Male
  • Age: 10~40 years old.

Diagnosis

Your doctor will run the following test to come to a diagnosis

  • HLA-B27 gene examination: Absence of gene HLA-B27 may suggest that you have less probability to have ankylosing spondylitis.
  • Erythrocyte sedimentation rate (ESR): As an autoimmune disease, ESR my elevate in patients with ankylosing spondylitis.
  • C-reactive protein (CRP): CRP is a protein that your liver produces when the immune is damaged. CRP my elevate in patients with ankylosing spondylitis.
  • Complete blood count (CBC): Patients may demonstrate anemia, a complication that can result from the chronic inflammation of ankylosing spondylitis.
  • X-rays, CT or MRI in spine and joints: These images allow the doctor to trace the changes in your spine, joints and bones, then modify your treatments.

When to seek urgent medical care?

Call your health care provider if symptoms of ankylosing spondylitis develop.

Treatment options

  • Nonsteroidal anti-inflammatory drugs (NSAIDs): NSAIDs may be used to control inflammation and pain in patients with ankylosing spondylitis. Usual drugs include ibuprofen, naproxen and indomethacin. Usual side effects are pain, bleeding and ulcers in upper gastrointestinal tract.
  • Corticosteroids: Corticosteroids are generally prescribed for patients who cannot take NSAIDs. These drugs can be used by oral or by injection into the joint to control inflammation and pain. Side effects of corticosteroids may include a decreased ability against infection, worse healing in the wound and osteoporosis.
  • TNF-alpha inhibitors: TNF-alpha inhibitors, such as etanercept, infliximab and adalimumab, can also help relieve symptoms of ankylosing spondylitis. Side effects include injection site irritation, congestive heart failure, lymphoma and increased risk of infection.
  • Cytotoxic drugs: These kinds of drugs are used to treat patients without good response to corticosteroids and always used in active peroid of ankylosing spondylitis. They may interfere with the growth of normal and neoplastic cells by cross-linking of DNA or RNA or proteins. Usual drugs include cyclophosphamide and azathioprine. Side effects include marrow suppression, liver damage, nausea and vomiting.
  • Surgery: Most patients with ankylosing spondylitis do not need surgery. Surgery is only recommended for those who suffer severe pain or joint damage.
  • Physical therapy: The purpose of physical therapy is to relieve pain and improved physical strength and flexibility. The therapist can treat you by hands or by assistive devices. Common therapies for patients with ankylosing spondylitis include:
  • Keep a proper posture
  • Range-of-motion and stretching exercises
  • Specific breathing exercises
  • Abdominal and back exercises

Where to find medical care for Ankylosing spondylitis?

Ask our experts on Ankylosing spondylitis

Prevention

What to expect (Outlook/Prognosis)?

Prognosis of ankylosing spondylitis varies from person to person. Most patients can maintain a good function. Wwhile other patients may lose daily functions. Prognosis depends on:

  • Onset age: The early onset age, the worse prognosis will be.
  • Whether organs outside joints are affected.
  • Whether the patient is treated in time.
  • Whether the patient is got physical therapy.

Possible complications

Rarely, people may have problems with the aortic heart valve ( aortic insufficiency) and heart rhythm problems.

Some patients may have pulmonary fibrosis or restrictive lung disease.

Sources

http://www.nlm.nih.gov/medlineplus/ency/article/000420.htm

Attribution

This article incorporates public domain material from Wikidoc and MedlinePlus. Please see licenses for further details.

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