Vasculitis (cortex) Flashcards
(35 cards)
Inflammation of blood vessels may result in?
Vessel wall thickening
stenosis
occlusion with subsequent ischaemia
What does large vessel vasculitis refer to?
Vasculitis that causes chronic granulomatous inflammation
mostly in the aorta and its major branches
What are the two subtypes of large vessel vasculitis?
Takasayu arteritis
Tenporal/giant cell arteritis
Which type of large vessel vasculitis
occurs mostly >50yrs old?
occurs mostly <50 yrs old?
> 50yrs old temporal/giant cell arteritis
<50yrs old takasayu arteritis
25 Year old japanese woman with malaise, night sweats, weight loss, arthralgia and fatigue
claudicant symptoms in upper and lower limb
Takasayu
In GCA ESR PV and CRP are elevated
T
If GCA is left untreated what can occur?
Vascular stenosis, aneurysms
resulting in bruit and reduced pulses
what is the treatment for large vessel vasculitis?
Prednisolone starting at 40-60mg and gradual reduction
steroid sparing agents such as methotrexate ir azathioprine may be added
How can small vessel vasculitis be grouped?
Antineutrophil cytoplasmic antibodies positive or negative
Small vessel vasculitis’ conditions have simmilar presenting features
T
What are the small vessel vasculitis presenting symptoms?
Fever, Wight loss, raised non blanching purpuric rash. arthralgia/arthritis
What are the main complications of small vessel vasculitis?
Pulmonary vasculitis - leading to lung opacities on X ray
mononeuritis multiplex
glomerulonephritis
ANCA +ve small vessel vasculitis with no granulomas present
Microscopic polyangitis
ANCA +ve small vessel vasculitis with granulomas present
Wegner’s granulomatosis/ polyangitits
ANCA +ve small vessel vasculitis with granulomas present and asthma and eosinophilia
Churg-Strauss syndrome
Anca -ve vasculitis with IGA
Honoch Schnein purpura
Anca -ve with serum crygoglobulin
cryoglobulinaemia
What are the features of Wegner’s granulomatosis/ polyangititis?
Granulomatous inflammation ENT and Resp symptoms Necrotising vasculitis of small/medium vessels glomerulonephritis common Cavitating lesions on X ray
What are the features of Microscopic polyangitis?
Necrotising vasculitis with few or no immune deposits
pulmonary capilliaritis and glomerulonephritis is common
pulmonary caprillitis often occurs
What is renal limited vasculitis?
Necrotizing glomerulonephritis with no extra renal features at presentation
What is the main difference between Churg Strausss/EGPA syndrome and Wegner’s/granulomatosis with polyangitis?
Churg Strauss is associated with asthma and eosinophilia
Necrotizing glomerulonephritis is more common in W/GPA
What are the features of Churg Strass syndrome?
Eosinophil-rich granulomatous inflammation involving resp tract
Necrotizing vasculitis involving small to medium sized vessels
assoc asthma and eosinophilia
What are the symptoms of Granulomatosis with polyangiitis or Wegeners?
ENT SYMPTOMS -nose bleeds -deafness -recurrent sinutitis -nasal crusting Resp symptoms - Haemoptysis
Which antibodies are GPA/Wegners assoc with?
Proteinase 3 antibodies
Cytoplasmic antineutrophil cytoplasmic antibodies