Chap 78 Vasculitis Flashcards

1
Q

What are RF for TAO?

A

male

smoking

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2
Q

What are features of the chronic phase of TAO?

A

organization of occlusive thrombus with recanalization

perivascular fibrosis

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3
Q

What are features of the intermediate/subacute phase phase of TAO?

A

partial recanalizations
disappearance of microabcess
deposition of immunoglobulins

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4
Q

What are features of the acute phase of TAO?

A

panvasculitis of small and medium vessels

occlusive, highly cellular arterial thrombus with microabcess

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5
Q

What are diagnostic criteria for TAO (shinoya criteria)?

A
smoking history/cocaine use
onset before 50
infrapop occlusive disease
upper limb involvement or phlebitis migranc
absence of other atherosclerotic RF
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6
Q

What are angiographic features of TAO?

A

Segmental occlusive lesions
more severe disease distally involvement of digital arteries,

normal proximal arteries without evidence of atherosclerosis

collateralization around areas of occlusion with corkscrew-shaped collaterals (Martorell’s sign, also described as “tree root” or “spider leg” collaterals)

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7
Q

What are angiographic features of TAO?

A

Segmental occlusive lesions
more severe disease distally involvement of digital arteries,

normal proximal arteries without evidence of atherosclerosis

collateralization around areas of occlusion with corkscrew-shaped collaterals (Martorell’s sign, also described as “tree root” or “spider leg” collaterals)

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8
Q

What are life style changes for TAO?

A

smoking cessation
exercise training
foot care

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9
Q

What are medical treatments for TAO?

A
ABX and NSAIDS for superficial phlebitis
CCB for vasospams
regional sympathetic block
statin
cilostazol
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10
Q

What are medical treatments for TAO?

A
ABX and NSAIDS for superficial phlebitis
CCB for vasospams
regional sympathetic block
statin
cilostazol
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11
Q

What are therapeutic options for TAO?

A

PCA
debride
flaps
amp

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