Define vasculitis.
Inflammation of the blood vessels
Define primary vasculitis.
Vasculitis that results from an inflammatory response that targets the vessel walls and has no known cause
Define secondary vasculitis.
Vasculitis that may be triggered by an infection, drug, toxin or may ocur as a part of another inflammatory disorder or cancer
List the 2 main large vessel vasculitis.
Giant cell arteritis
Takayasu arteritis
List the 2 main medium vessel vasculitis
Polyarteritis nodosa
Kawasaki disease
Small vessel vasculitis can be generally divided into which 2 groups?
ANCA-associated
Non-ANCA-associated
True/False: Takayasu arteritis is more common in males and african populations?
False - More common in females and asian populations
What is the typical clinical presentation of Takayasu arteritis?
Early features - fever, malaise, night sweats, weight loss, arthralgia and fatigue
Claudication in upper and lower limbs
Vascular stenosis and aneurysms can occur if untreated
Giant cell arteritis affects those over 50 and is associated with which other disease?
Polymyalgia rheumatica
What is the most common finding in giant cell arteritis?
Carotid bruit
What is the mainstay treatment for large vessel vasculitis?
Steroid (40-60mg prednisolone)
Which part of the artery is usually affected in polyarteritis nodosa?
Vessel bifurcations
Which group of people is Kawasaki disease seen in?
Children
True/False: Hepatitis B is associated with polyarteritis nodosa?
True
What are the names for the ANCA +ve small vessel vasculitic disease?
Granulomatosis with polyangitis (GPA)
Eosinophilic granulomatosis with polyangitis (EGPA)
Microscopic polyangitis (MPA)
Which of the ANCA +ve small vessel vasculitic diseases involve granulomatous inflammation?
GPA
EGPA
Which of the ANCA +ve small vessel vasculitic diseases are associated with asthma?
EGPA
Which of the ANCA +ve small vessel vasculitic diseases are associated with golmerulonephritis?
GPA
MPA
True/False: GPA is more common in males?
True
When does GPA typically present?
33-35 y,o
What affect does GPA have on the nose?
Saddle nose due to cartilage ischaemia
What is the typical cutaneous manifestation of GPA?
Palpable purpura
What is mononeuritis multiplex and what effect can it have in GPA?
Impaired blood supply to nerve
Result in wrist/foot drop
What is the main difference between GPA and EPGA?
Late onset asthma and high eosinophil count