Chapter 7 Vasculitis Flashcards
What are two Large vessel vasculitides?
Temporal (Giant Cell) Arteritis
Takayasu Arteritis
What type of vasculitis is Temporal Arteritis? What vessel does it usually affect?
Granulomatous vasculitis that classically involves branches of the carotid artery.
What demographic does Temporal Arteritis affect?
Older adults (>50) usually women
What are the presenting symptoms of temporal arteritis?
Headache (temporal artery involvment), visual disturbances (opthalmic artery involvment), jaw claudication. FLu like symptoms with joint and muscle pain (polymyalgia rheumatica).
What is an irregular lab value seen in temporal arteritis?
ESR is elevated
What does a biopsy reveal in temporal arteritis? What is important to keep in mind when taking a biopsy segment?
Biopsy reveals inflamed vessel wall with giant cells and intimal fibrosis. Must take long segment because lesions are segmental.
What is the treatment of temporal arteritis. What major complication indicates early treatment even without confirmative diagnosis?
Treatment is corticosteroids. there is a high risk of blindness without treatment.
What type of vasculitide is takayasu Arteritis?
Large vessel granulomatous vasculitis very similar to temporal vasculitis.
What vessels does takayasu arteritis affect?
involves aortic arch at branch points.
What demographic does takayasu arteritis affect?
adults (<50) classically young asian females
What are the presenting symptoms of Takayasu arteritis?
visual and neurological symptoms with a weak or absent pulse in the upper extremity (pulseless disease)
What lab value is elevated in takayasu arteritis?
ESR
What is the treatment of takayasu arteritis?
Corticosteroids
Name 3 medium vessel vasculitides?
Polyarteritis nodosa
Kawasaki disease
Buerger Disease
What type of vasculitis is PAN? What type of arteries does it affect? which organs?
Medium vessel (muscular arteries supplying organs) necrotizing vasculitis. All organs except lungs.