juvenile spondyloarthritis and fever syndromes
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Juvenile Spondyloarthritis
Reema Syed,MDAssistant Professor of Internal Medicine and
PediatricsDivision of Adult and Pediatric Rheumatology
Saint Louis University
Objectives
• Understand the classification of juvenile SpA• Understand treatments in Juvenile SpA
ILAR criteria for JIA
• OligoJIA (1-4 joints, persistent or extended)• PolyJIA (5 or > ) Rheumatoid Factor -• PolyJIA Rheumatoid Factor +• Systemic onset JIA: fevers, rash, joint pain• Psoriatic Arthritis• Enthesitis related arthritis• Undifferentiated arthritis
Spondyloarthritis
• Ankylosing spondylitis• Undifferentiated spondyloarthritis• Reactive arthritis• Arthritis associated with IBD• Psoriatic arthritis
Juvenile SpA
• Often undifferentiated at onset• Less likely to affect axial skeleton• More likely to affect hips and peripheral
enthesis (sites of ligament/tendon insertions)
Juvenile PsA
• Arthritis plus psoriasis• OR• Arthritis + 2:– Dactylitis– Nail pitting or onycholysis– Ps in 1st degree relative
Enthesitis Related Arthritis
• Arthritis + enthesitis• OR• Arthritis or enthesitis + 2 or more:– Presence of SI joint tenderness or inflammatory back
pain– + HLAB27– Onset of arthritis in male after 6year of age– Acute anterior uveitis– h/o AS, ERA, IBD related arthritis, reactive arthritis,
acute anterior uveitis in 1st degree relative
Undifferentiated JIA
• Arthritis that does not fullfill criteria in any of the other categories or fulfills criteria in 2 or more of the other categories
Juvenile AS
• Term used to describe child < 16 with typical symptoms of AS– Bilateral sacroiliitis OR– Unilateral sacroiliitis
• PLUS– Inflammatory back pain– Limitation of lumbar motion OR– Decreased chest wall expantion
• Juvenile onset AS: symptoms of AS began prior to age 16yr but criteria met after 16 years
Clinical features associated with spondyloarthritis
• Enthesitis:– Tenderness/ inflammation at point of tendonous/ ligamentous
insertions– Inflammatory back pain (age of onset < 40yrs, improved with
exercise, no improvement or worsening at rest, pain at night)• Alternating buttock pain• Dactylitis: sausage like swelling of 1 or more digits• Acute anterior uveitis: eye pain, redness, intolerance to
light• IBD: ulcerative colitis, crohn disease• Nail pitting• Psoriasis
Genetic susceptibility of SpA
• AS: HLAB27 40% heritability– Present in 90% of AS patients – Present in 60-90% of Juvenile AS– (ONLY 5% OF HLAB27 CARRIERS DEVELOP AS)
• ERAP1• IL23R
Juvenile SpA: treatment
• Sulfasalazine: beneficial for peripheral arthritis• NSAIDs• Anti-TNF biologic agents– Etanercept– Adalimumab– Remicade
• Exercise• PT/OT• education
Juvenile SpA: outcomes
• Predictors of failure to achieve remission– Genetic components:• HLADRB1 08• FH of AS in 1st degree relative
– Clinical features• Hip or ankle arthritis w/in the 1st 6 months of disease
Hereditary Autoinflammatory diseases: Periodic Fever & Cryopyrinopathies
Reema Syed,MDAssistant Professor of Internal Medicine and Pediatrics
Division of Adult and Pediatric RheumatologySaint Louis University
Objectives
• Understand the different classes of fever syndromes & cryopyrin associated periodic fevers syndromes (CAPS)
• Understand the specific symptoms and complications of fever syndrome & CAPS
• Understand therapies available for specific fever syndromes & CAPS
Periodic Fevers
• Familial mediteranean fever (FMF)• Mevalonate kinase deficiency/ hyper
Immunoglobulin D syndrome (MKD/ HIDS)• TNF receptor associated periodic syndrome
(TRAPS)• NALP12 associated periodic fever (FCAS2)
CAPS
• Familial Cold Autoinflammatory Syndrome (FCAS)
• Muckle Wells Syndrome (MWS)• Neonatal Onset Multisystem inflammatory
disease (NOMID)/ Chronic Infantile Neurologic Cutaneous Articular (CINCA) syndrome
FMF
• Most common periodic fever• Most commonly seen in the eastern mediterranean region
• Recurring fever > 38 degrees– Lasting 6hrs to 3 days– Frequency: every week to every 3-4 months
• Abdominal pain• Chest pain• Joint swelling/ pain• Rash (legs)
FMF
• Treatment– Colchicine– Kineret (IL-1 receptor antagonist)
– NSAIDs– Interferon alpha– Steroids
FMF
• Complication– Amyloidosis
HIDS• Begins in 1st year of life-early childhood• Most common in western Europeans• Abrupt irregular attacks• Lasts 3-7day
• High fevers• Neck pain• Enlarged lymph nodes• Belly pain, diarrhea, vomiting• Joint pain• Rash• Ulcers (oral, genital)
HIDS
• Treatment:– NSAIDs– Kineret– Etanercept
HIDS
• Complications– Mevalonic aciduria: CNS problems, eye problems,
growth/ weight abnormalities
TRAPS
• Age of onset: infancy to 50years• Recurrent fevers (2-6 episodes a year)• Fevers lasting 3-4 weeks• Belly pain• Joint pain• Diarrhea• Muscle pain• Rash• Conjunctivitis
TRAPS
• Treatment:– Steroids– Etanercept– kineret
• Complication:– amyloidosis
CAPS
• FCAS• MWS• NOMID/CINCA
FCAS
• Begins in infancy• Episodes last < 24hrs• Rash (related to cold exposure)• Conjunctivitis• Joint pain/ stiffness• Fever spikes (related to cold) with sweating• Overwhelming fatigue
MWS
• Begins in infancy-adolescent years• Rash: hives• Joint pain continuous• Fatigue• Fevers• Conjunctivitis
MWS
• Complication:– Amyloidosis
NOMID/CINCA
• Appears in first 2 months of life• Symptoms are continuous• Rash: hive like• Hearing loss• Loss of vision• Deforming joint arthritis• Recurrent fevers• Facial bone deformities
NOMID/CINCA
• Complications:– Amyloidosis– Bony deformities– Increased pressures in the skull
CAPS treatment
• Kineret• Rilonacept• canakinumab
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