Printer Friendly VersionEmail A FriendAdd ThisIncrease Text SizeDecrease Text Size

Ankylosing spondylitis

 

Definition

Ankylosing spondylitis is a long-term disease that causes inflammation of the joints between the spinal bones, and the joints between the spine and pelvis. It eventually causes the affected spinal bones to join together.

See also: Arthritis

Alternative Names

Rheumatoid spondylitis; Spondylitis; Spondylarthropathy; Seronegative bundle arthropathy

Causes

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
Symptoms

The disease starts with low back pain that comes and goes.

  • Pain and stiffness are worse at night, in the morning, or when you are not active. It may wake you from your sleep.
  • The pain typically gets better with activity or exercise.
  • Back pain may begin in the sacroiliac joints (between the pelvis and the spine). Over time, it may involve all or part of the spine.

You may lose motion or mobility in the lower spine. You may not be able to fully expand your chest because the joints between the ribs are involved.

Fatigue is also a common symptom.

Other, less common symptoms include:

  • Eye inflammation or uveitis
  • Heel pain
  • Hip pain and stiffness
  • Joint pain and joint swelling in the shoulders, knees, and ankles
  • Loss of appetite
  • Slight fever
  • Weight loss
Signs and tests

Tests may include:

Support Groups

Expectations (prognosis)

The course of the disease is unpredictable. Symptoms may come and go at any time. Most people are able to function unless the hips are severely involved.

Calling your health care provider

Call your health care provider if:

  • You have symptoms of ankylosing spondylitis
  • You have ankylosing spondylitis and develop new symptoms during treatment
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.

Treatments

Your doctor may prescribe nonsteroidal anti-inflammatory drugs (NSAIDs) to reduce inflammation and pain.

Corticosteroid therapy or medications to suppress the immune system may also be prescribed. Drugs called TNF-inhibitors (etanercept, adalimumab, infliximab), which block an inflammatory protein, have been shown to improve the symptoms of ankylosing spondylitis.

Some health care professionals use drugs that block cell growth (cytotoxic drugs) in people who do not respond well to corticosteroids or who are dependent on high doses of corticosteroids.

Surgery may be done if pain or joint damage is severe.

Exercises can help improve posture and breathing. Lying flat on the back at night can help maintain normal posture.

Prevention

Prevention is unknown. Awareness of risk factors may allow early detection and treatment.

References

Goldman L, Ausiello DA. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007.

Sidiropoulos PI, Hatemi G, Song IH, et al. Evidence-based recommendations for the management of ankylosing spondylitis: systematic literature search of the 3E Initiative in Rheumatology involving a broad panel of experts and practising rheumatologists. Rheumatology (Oxford). 2008. 47(3):355-61.

Dagfinrud H, Kvien TK, Hagen KB. Physiotherapy interventions for ankylosing spondylitis. Cochrane Database, Syst Rev. 2008. (1):CD002822.


Review Date: 5/13/2010
Reviewed By: Mark James Borigini, MD, Rheumatologist in the Washington, DC Metro area. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org). URAC's accreditation program is an independent audit to verify that A.D.A.M. follows rigorous standards of quality and accountability. A.D.A.M. is among the first to achieve this important distinction for online health information and services. Learn more about A.D.A.M.'s editorial policy, editorial process and privacy policy. A.D.A.M. is also a founding member of Hi-Ethics and subscribes to the principles of the Health on the Net Foundation (www.hon.ch).
The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2009 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
MAIMONIDES
MEDICAL CENTER


Home Page
Why Choose Us
Donations
Website Terms of Use
PATIENT
INFORMATION


Visitor & Patient Info
Patient Portal
We Speak Your Language
Patient Privacy
Contact Us
KEY
INFORMATION


Find a Physician
Medical Services
Maimonides In the News
Directions & Parking
FOR HEALTH
PROFESSIONALS


Medical Education
Career Opportunities
Nurses & Physicians
Staff Intranet Access
Maimonides Medical Center    |    4802 Tenth Avenue    |    Brooklyn, NY 11219    |    718.283.6000    |