Connective Tissue Disease Flashcards
What structures does SLE mainly affect?
skin, joints, kidneys, blood cells and nervous system
How many points of criteria does a person need to be diagnosed with SLE?
at least four with one being clinical and one being laboratory
What is another way of diagnosing SLE other than the SILCC classification?
biopsy-proven lupus nephritis with positive ANA or anti-DNA
What are the six things that make up the immunologic criteria for SLE?
ANA, anti-DNA, anti-Sm, antiphospholipid Ab, low complement, direct Coombs test
What populations is SLE more present in?
Black people in the UK and the USA
Is SLE more common in men or women?
women (like 90%)
What is the 10 year survival rate in patients with SLE?
90%
What are the constitutional symptoms of SLE?
fever, fatigue and weight loss
What are the MSK features of SLE?
arthralgia, myalgia and inflammatory arthritis
what are the Muco-cutaneous features of SLE?
malar rash, butterfly rash, alopecia, photosensitivity, discoid lupus, subacute cutaneous lupus, oral/nasal ulceration and Raynaud’s
What are the renal symptoms of SLE?
lupus nephritis
What are the respiratory symptoms of SLE?
pleurisy, pleural effusion, pneumonitis, PE, pulmonary hypertension, interstitial lung disease
What are the haematological symptoms of SLE?
leukopenia, lymphopenia, anaemia and thrombocytopenia
What are the cardiac symptoms of SLE?
pericarditis, pericardial effusion, pulmonary hypertension, sterile endocarditis and IHD
What are the neuropsychiatric symptoms of SLE?
seizures, psychosis, headache, aseptic meningitis
What are the GI symptoms of SLE?
autoimmune hepatitis, pancreatitis and mesenteric vasculitis
What investigations would you do in SLE?
FBC, ANA, Anti-dsDNA, anti-Sm, anti Ro/LA/RNP, C3/4 levels, urinalysis and imaging
How do you manage skin disease and arthralgia hydroxychloroquine caused by SLE?
topical steroids and NSAIDs