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Flashcards in JIA Deck (22)
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1
Q

What are the diagnostic features of JIA?

A
Onset <16 years
Duration >6 weeks
Presence of arthritis
-joint swelling or 2 of
---painful or limited joint movement, tenderness, warmth
2
Q

What is the differential for JIA/

A
Septic arthritis
Osteomyelitis
Transient synovitis
Malignancies
Recurrent haemarthroses
Vascular abnormalities
Trauma
Other
3
Q

What are the types of JIA?

A
Oligoarthritis
Polyarticular
Psoriatic
Enthesitis related
Systemic
4
Q

What is oligoarthritis?

A

Affects 4 joints or less in first 6 months

5
Q

What are the types of oligoarthritis?

A

Persistent- affecting no more than 4 joints throughout course
Extended- affects >4 joints after first 6 months

6
Q

What are the types of polyarticular JIA?

A

RF -

RF +

7
Q

What is RF- polyarthritis?

A

5 or more joints in first 6 months

Negative rheumatic factor

8
Q

What is RF + polyarthritis?

A

Affecting 5 or more joints in first 6 mnths

2 or more RF tests 3 months apart are +, in first 6 months of disease

9
Q

What is psoriatic arthritis?

A

Arthritis and psoriasis, or arthritis and at least 2 of

  • dactylitis
  • nail pittig or onycholytis
  • psoriasis in 1st degree relative
10
Q

What is enthesitis related JIA?

A

Arthritis and enthesitis, or arthritis or enthesitis with at least 2 of

  • sacroiliac tenderness and/or inflammatory lumbosacral pain
  • HLA B27 antigen
  • Male and onset >6 years
  • Acute anterior uveitis
  • history of ank spond, enthesitis related arthritis, sacroilitis with IBD, Reiter’s syndrome, acute anterior uveitis in 1st degree relative
11
Q

What is systemic JIA?

A

Fever >2 weeks, plus pain in at least 1 joint, plus 1 of

  • erythematous rash
  • generalised lymphadenopathy
  • hepatomegaly or splenomegaly
  • serositis
12
Q

What is essential to diagnose a particular type of JIA?

A

Must rule out all other causes

13
Q

What are the principles of management f JIA?

A

Pharm
Physio, OT
Psych
Nutrition

14
Q

What are the pharm options of treatment for JIA?

A
NSAIDS
Disease modifying
Biologics
Intra-articular steroids
Oral steroids
15
Q

What is the 1st line disease modifying agent?

A

Methotrexate

16
Q

What biologic agents are available to treat JIA and when are they given?

A

Anti TNF agents

Failure to respond to disease modifying

17
Q

When are intra-articular steroids used?

A

Mainly oligoarticular disease

18
Q

What are the possible complications of JIA?

A
Uveitis
Poor growth
Localised growth disturbance
Micrognathia
Contractures
Occular complications
Drug side effects
19
Q

What are the features of uveitis?

A

Red eyes, headache, blurred vision

20
Q

When is uveitis more common in JIA?

A

ANA + oligoarticular

<5 years old

21
Q

What is the treatment of uveitis in JIA?

A

Topical steroids
Severe- oral steroids
Poor response- disease modifying and biologics

22
Q

What is micrognathia?

A

Undersized jaw