Systemic Lupus Erythematosus Flashcards
Who is more commonly affected by SLE?
Women
Which races are more commonly affected by SLE?
Afro-Caribbeans* and Asian communities
At what age does SLE usually tend present?
20-40 years
What type of condition is SLE?
Multisystem Autoimmune disease
Type 3 hypersensitivity reaction
What type of hypersensitivity reaction is SLE?
Type 3 hypersensitivity disease
What genes is SLE associated with?
HLA B8
HLA DR2
HLA DR3
What are the main general features of SLE?
fatigue
fever
mouth ulcers
lymphadenopathy
How can the skin be affected in someone with SLE?
Malar (butterfly) rash
Discoid rash
Photosensitivity
Raynaud’s phenomenon
Livedo reticularis
Non-scarring alopecia
What does the malar rash spare in someone with SLE?
The nasolabial folds
How does the discoid rash present in someone with SLE?
Scaly, erythematous, well demarcated rash in sun-exposed areas
What MSK symptoms can present in someone with SLE?
Arthralgia
Non-erosive arthritis
What cardiovascular symptoms can present in someone with SLE?
pericarditis (more common)
myocarditis
What respiratory symptoms can present in someone with SLE?
Pleurisy
Fibrosing alveolitis
What renal symptoms can present in someone with SLE?
Proteinuria
Glomerulonephritis
What neuropsychiatric symptoms can present in somene with SLE?
Anxiety and depression
Psychosis
Seizures
What antibodies are commonly present in someone presenting with SLE?
ANA
Anti-dsDNA
Anti-Smith
What is the problem with using ANA for the diagnosis of SLE?
They are highly sensitive but have low specificity
What is the most useful antibody for diagnosing SLE?
Anti-dsDNA
What can be used to monitor SLE?
Inflammatory markers
complement levels (C3, C4)
What inflammatory marker is used to monitor disease activity in SLE?
ESR
CRP- if raised suspect infection
During active disease, would the complement levels be low or high in SLE?
Complement levels would be low during active disease
What is the medical management of SLE?
Hydroxychloroquine
What else can be used to manage SLE?
NSAID’s
Sun cream
What is a serious complication of SLE?
Lupus nephritis