Juvenile Idiopathic Arthritis Flashcards
What is juvenile idiopathic arthritis?
Systemic inflammatory disorders of the under 16yo
Cause disability and blindness
How common is juvenile idiopathic arthritis?
1 in 1000
What are the criteria for diagnosis of juvenile idiopathic arthritis?
<16 years
>6 week duration
Joint swelling, or painful, limited motion with warmth
what are the major subtypes of juvenile idiopathic arthritis?
Pauciarticular (50%)
Polyarticular (25)
Systemic onset
Which form of juvenile idiopathic arthritis is more common in males?
Enthesitis related
How does type 1 juvenile idiopathic arthritis typically present?
Lower limb joints (knee ++) Asymptomatic Iris inflammation Limp Girls:boys 8:1
How does type 2 juvenile idiopathic arthritis typically present?
Girls:boys 1:7
LL joints, asymmetric
Dactylitis
Rapid damage with back involvement
What is pauciarticular JIA?
4 or less joints involved
What is polyarticular JIA?
5 or more joints
How does RF-ve Polyarticular JIA present?
Fever, malaise Hepato-splenomegaly Anaemia Growth abnormalities Stiffness all over body and symmetric Girls++
How does RF+ve Polyarticular JIA present?
Fever, malaise, weight loss Anaemia Nodules Other autoimmune diseases Girls++
How does Systemic onset JIA present?
Starts early and disappears after 5 years Hepatosplenomegaly Abdominal pain Legs, wrists, spine, TMJ Polyserositis
Uveitis is most commonly associated with which form of JIA?
Oligo JIA
ANA+ve
What complications are associated with Uveitis?
Posterior synechiae
Cataract
Band keratopathy
How is Uveitis screened for in JIA?
Screened in ALL JIA