Vascular pathology Flashcards
Layer compromised in TAA
Media
Layer compromised in AAA
Intima
Pathophysiology of TAA
HTN –> fibrinoid necrosis –> endarteritis obliterans
Risk factors for TAA
HTN
Syphilis (endarteritis obliterates)
Marfan’s
Age of AAA screen
66
AAA <3cm
No further scan
AAA 3cm-4cm
Surveillance
Repeat USS in 12 months
AAA 4.5 - 5.4cm
Surveillance
Repeat USS in 3 months
Large AAA >5.5cm
Referred to vascular
AAA repair elective
Open - unless hostile abdomen
Layer preserved in pseudo aneursym
Adventitia
Highest risk factor for atherosclerosis
Hypercholesterolaemia
Most common location of AAA
Infra renal (95%)
Most common cause of renal artery stenosis
Atherosclerosis
Leriche syndrome
Gluteal claudication - superior and inferior
Bilateral absent femoral pulses
Erectile dysfunction
Imaging to request ?ischaemic leg
CT with contrast
Cause of discolouration in venous disorder
Haemosiderin
Test used to monitor GCA
ESR
Large vessel vasculitides
GCA
Takayasu
GCA
Female
Jaw pain
Headache
Blind
Skip lesion
Takayasu arteritis
Asian female
Pulseless
Night sweats
Medium vesse vasculitides
Burgers
Kawasakis
Buerger’s
Thromboangitis obliterates
Male
Smokers
Gangrene
Kawasaki
Asian children
Hands, feet, heart
Coronary artery aneurysm
