Juvenile Idiopathic Arthritis

Question 1

What is juvenile idiopathic arthritis?

Answer 1

Arthritic syndromes in someone less than 16yrs old. its an autoimmune condition with lots of different subtypes.

Question 2

What is needed for the diagnosis of JIA?

Answer 2

Person <16yrs

symptoms >6 weeks

Question 3

What screening should be done in all patients?

Answer 3

Eye screening - blindness is a complication of all subtypes of JIA. (Uveitis).

Question 4

What is the treatment of JIA?

Answer 4

Usually similar to the treatment of rheumatoid arthritis.

Question 5

What are the types of JIA?

Answer 5

• oligoarticular/pauciarticular
• polyarticular
• systemic onset (stills disease)
• enthesitis
• psoriatic

Question 6

What is oligoarticular/pauciarticular JIA?

Answer 6

JIA of less than 4 joints
most common
Can have type 1, 2 or 3
it usually affects only one joint and tends to be the larger joints.

Question 7

What is polyarticular JIA?

Answer 7

JIA of >5 joints - it can be RF positive or RF negative. it usually affects the smaller joints and is symmetrical.

Question 8

What is systemic onset JIA (stills disease)?

Answer 8

An autoimmune disorder with inflammation, salmon coloured rash and spiking fever (can be with or without joint problems).

Question 9

What is the treatment?

Answer 9

NSAIDs
steroids
DMARDs - methotrexate, sulfasalazine, leflunomide
AntiTNH - infliximab, adalinumab