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Rheumatic diseases in children. Yackov Berkun, Hadassah Mnt Scopus. Juvenile rheumatic diseases. A wide range of conditions Inflammatory , mechanical, behavioral or psychological May present with symptoms localized to the musculoskeletal system MS symptoms common in childhood
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Rheumatic diseases in children Yackov Berkun, Hadassah Mnt Scopus
Juvenile rheumatic diseases • A wide range of conditions • Inflammatory, mechanical, behavioral or psychological • May present with symptoms localized to the musculoskeletal system • MS symptoms common in childhood • 15% occasional limb pains • 5% chronic MS pain, daily activities • Lasting for 3 months or more Berkun, JIA
Juvenile rheumatic diseases • Juvenile idiopathic Arthritis • Vasculitis • Kawasaki disease • Henoch-Schonlein purpura • Autoinflammatory • FMF • Panniculitis • CRMO/SAPHO syndromes • PFAPA • Connective tissue • SLE • Juvenile dermatomyositis • Inflammatory bowel disease • Mixed connective tissue disease • Linear scleroderma • Progressive systemic sclerosis
Mechanical/orthopedic • Infection/post-infective • Viral rubella, measles, mumps, parvo, hepatitis • Reactive arthritis • Rheumatic fever • Septic arthritis • Transient hip synovitis • Hematological • Idiopathic pain syndromes • Other Berkun, JIA
Introduction, JIA • Most frequent chronic inflammatory disease of childhood • One of the more common chronic illnesses of childhood and an important cause of disability • First series 1890, George Stil 1897 • Group of disorders defined by ILAR criteria 1997 Berkun, JIA
Epidemiology • All races and geographic areas • Prevalence: 0.1-4/1000 • Chronic disease /1000 • Epilepsy 3 • DM 1 • CP 1.3 • JIA 2 Berkun, JIA
Objectives • To recognize symptoms and signs of clinical subgroups of JIA • To understand laboratory and radiology studies helpful when considering the diagnosis • To be familiar with the differential diagnosis • To understand the general approaches to treatment Berkun, JIA
JRA American College of Rheumatology Revised Criteria • Age of onset < 16 years • Arthritis of one or more joints • Duration of disease > 6 weeks (EULAR 12) • Other conditions which present with arthritis in childhood must be excluded Berkun, JIA
ILAR classification Criteria, Durban 1997 • Oligoarthritis • persistent • extended • Systemic • Polyarticular RF+ • Polyarticular RF- • Psoriatic arthritis • Enthesitis-related arthritis (ERA) • Other Berkun, JIA
Oligoarthritis • Most common 40-60% of JIA • 4 or fewer joints in the first 6 months • Insidious onset • Age 1-3 years • Monoarthritis 50% • Large joints • Knee50%, ankle, elbow • Asymmetric • Systemic symptoms absent • Uveitis 30% Berkun, JIA
מפרק • נפיחות נוזל, היפרטרופיה, בצקת • ללא אודם • הגבלה בתנועה • כאב לא חד • ביטוים בתינוק Berkun, JIA
Oligoarthritis, Laboratory • CBC, ESR normal • ANA 60-80% Berkun, JIA
30% ANA Asymptomatic 50% at diagnosis Within 5 years Bilateral in 2/3 Loss of vision 10% Uveitis Berkun, JIA
Uveitis- hypopion, synechiae Berkun, JIA
Uveitis, Keratic precipitates Berkun, JIA
Uveitis, compl. Band kerathopathy Berkun, JIA
Uveitis, compl. Synechae Berkun, JIA
Oligoarthritis, outcome Berkun, JIA
Oligoarthritis, outcome Berkun, JIA
ILAR classification Criteria, Durban 1997 • Oligoarthritis • persistent • extended • Systemic onset • Polyarticular RF+ • Polyarticular RF- • Psoriatic arthritis • Enthesitis-related arthritis (ERA) • Other Berkun, JIA
Systemic onset JIA • 10% of JIA • Female 40-50% • Prominent systemic symptoms • fever, rash, lymphadenopathy, hepatosplenomegaly, pericarditis, pleuritis • Arthritis may be absent for months to years • Uveitis uncommon Berkun, JIA
SoJIA, clinical features, fever Berkun, JIA Fever 2 weeks 390 Quotidian Spikes 1-2/d
Arthritis polyarticular • May be absent in 20% Berkun, JIA
Rash Berkun, JIA
Rash Berkun, JIA
Koebner Berkun, JIA
SoJIA, clinical features, rash • Evanescent nonfixed erythematous • Trunk • חיוורון היקפי • מופיעה עם חום • Koebner phenomena Berkun, JIA
SoJIA, clinical features, general • Serositis • Pericarditis Berkun, JIA
SoJIA, clinical features, general • Lymphadenopathy • Hepatosplenomegaly Berkun, JIA
Systemic JIA, criteria • Arthritis + fever > 2 wks • Quotidian > 3 days +1 of • evanescent nonfixed erythematous • generalized lymphadenopathy • hepato/ splenomegaly • serositis Berkun, JIA
SoJIA, laboratory • WBC , Hgb, platelets to • ESR • Ferritin • ANA and RF negative Berkun, JIA
Complications • Heart tamponade • Malnutrition • Osteoporosis • Joint deformity • Amyloidosis • Growth retardation Berkun, JIA
Macrophage activation syndrome • Hemophagocyticlymphohistiocytosis • Life-threatening complication, cytokine storm • NK cells dysfunction • Sustained fever, hepatosplenomegaly, anemia, liver dysfunction, coagulopathy, CNS • Early diagnosis • Aggressive treatment Berkun, JIA
Disease courses • Persistent polyarthritis (50%) • Monocyclic, remission within 2–4 years (40%) • Relapsing polycyclic • Flares systemic + mild arthritis (10%) • Poor outcome • Systemic features> 0.5 years, thrombocytosis, polyarthritis incl. hip involvement • Mortality (2.8% to 14%) Berkun, JIA
ILAR classification Criteria, Durban 1997 • Oligoarthritis • persistent • extended • Systemic • Polyarticular RF- • Polyarticular RF+ • Psoriatic arthritis • Enthesitis-related arthritis (ERA) • Other Berkun, JIA
Polyarticular, fingers Berkun, JIA
Fingertenosynovitis Berkun, JIA
Polyarticular disease, laboratory • WBC , Hgb, platelets WNL to • ESR to • ANA 25% Berkun, JIA
Polyarthritis RF+ • 5-10% • Age >10 years • Symmetric • Rheumatoid nodules • Vasculitis • Lung Berkun, JIA