Pronounced: jew-va-nigh-el roo-MAH-toyd arth-RI-tis
Juvenile rheumatoid arthritis (JRA) is a disease of the joints in children. It can effect a child over a long period of time. JRA often starts before the child is 16 years old.
In JRA, the joint to become red and swollen. It will make the joint painful and difficult to move. JRA can also lead to long term damage to the joint. For some, JRA can interfere with the child's growth and development.
There are five major types of JRA:
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JRA is caused by a problem of the immune system. The normal job of the immune system is to find and destroy items that should not be in the body, like viruses. With JRA, the immune system attacks the healthy tissue in the joint. It is not clear why this happens. The immune system problems may be caused by genetics and/or factors in the environment.
Girls are more likely to get JRA than boys.
There are no clear risk factors for JRA. Factors that may be associated with some types of JRA include:
Symptoms may include:
Some symptoms are specific to each type of JRA. For example:
Often, there are remissions and flare-ups. Remission is a time when the symptoms are better or disappear. Flare-ups are times when symptoms become worse.
You will be asked about your child’s symptoms. You will also be asked about your family medical history. A physical exam will be done. An eye examination may also be done to check for swelling in the eye. Your child may be referred to a specialist if JRA is suspected. The specialist is a doctor that focuses on diseases of the joints.
Images may be taken of your child's bodily structures. This can be done withx-rays.
Your child's bodily fluids may be tested. This can be done with:
Talk with your doctor about the best plan for your child. The plan will work to control swelling, relieve pain, and control joint damage. The goal is to keep a high level of physical and social function. This will help keep a good quality of life. Treatment options include the following:
There are several types of medication that may be used:
Polyarticular JRA may become inactive in children who begin medications within 2 years of onset.
Exercise is done to strengthen muscles and to help manage pain. Strong nearby muscles will support the joint. It also helps to recover the range of motion of the joints. Normal daily activities are encouraged. Non-contact sports and recreational activities may be good options. Physical activities can also help boost a child's confidence in their physical abilities.
Physical therapy may be needed. This will help to make the muscles strong and keep the joints moving well.
Splints and other devices may be recommended. They may be worn to keep bone and joint growth normal. Some joints may get stuck in a bent position. These devices can help prevent this.
American College of Rheumatology
Hofer MF, Mouy R, Prieur AM. Juvenile idiopathic arthritides evaluated prospectively in a single center according to the Durban criteria. J Rheumatol. 2001. 28:1083.
Juvenile idiopathic arthritis (JIA) enthesitis related. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated August 29, 2014. Accessed November 3, 2014.
Juvenile idiopathic arthritis (JIA) oligoarticular. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated August 29, 2014. Accessed November 3, 2014.
Juvenile idiopathic arthritis (JIA) polyarticular. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated August 29, 2014. Accessed November 3, 2014.
Juvenile idiopathic arthritis (JIA) systemic-onset. EBSCO DynaMed website. Available at: http://www.ebscohost.com/dynamed. Updated August 29, 2014. Accessed November 3, 2014.
JAMA Patient Page. Juvenile idiopathic arthritis. JAMA. 2005;294:1722.
Petty RE, Southwood TR, Baum J, et al. Revision of the proposed classification criteria for juvenile idiopathic arthritis: Durban, 1997. J Rheumatol.1998; 25:1991.
2/5/2013 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: De Benedetti F, Brunner HI, Ruperto N, et al. Randomized trial of tocilizumab in systemic juvenile idiopathic arthritis. N Eng J Med. 2012;367(25):2385-95.
2/24/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Limenis E, Grosbein HA, et al. The relationship between physical activity levels and pain in children with juvenile idiopathic arthritis. J Rheumatol. 2014 Feb;41(2):345-351.
9/2/2014 DynaMed's Systematic Literature Surveillance http://www.ebscohost.com/dynamed: Guzman J, Oen K, et al. The outcomes of juvenile idiopathic arthritis in children managed with contemporary treatments: results from the ReACCh-Out cohort. Ann Rheum Dis. 2014 May 19.
Last reviewed November 2014 by Kari Kassir, MD
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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