vascular disease Flashcards
Pathophysiology of vascular disease
Atherosclerosis
Inflammatory
Vasospastic
Compression
Traumatic
Pro-thrombotic conditions
plaque formation - key points needed to know
progressive
different cellular components of it
end stage unstable plaque that can do several different things- thrombosis/embolism
What happens to the placque when we get an acute clinical complications- ulceration?
- acute thrombosis with occlusion.
- dislodging and peripheral embolism
What happens to the placque when we get an acute clinical complications- thrombosis?
- acute ischaemia/ necrosis
What happens to the placque when we get an acute clinical complications- growth?
chronic ischemia
What happens to the placque when we get an acute clinical complications- necrosis?
aneurysm development
What are the modifiable risk factors in PAD?
Smoking
Hypertension
Diabetes
Hypercholesterolaemia
What are the non- modifiable risk factors in PAD?
Age
Sex
what acute ischaemia occurs in lower limbs?
-6Ps
-Acute-embolus (AF, MI)
-Acute on chronic-thrombus- (different to the embolic event)
what chronic ischaemia occurs in lower limbs?
-IC- intermittent claudificaiton
-Rest pain- end stage of chronic ischaemia
-Tissue loss- insufficient blood so can no longer survive
-Burgers test
what is the anterior circulation in the circle of wills?
MCA
ACA
Anterior choroidal artery
what is the posterior circulation in the circle of wills?
vertebral artery
basilar artery
PCA
CAROTID endarterectomy
local anaesthetic
isolate three vessels: internal external and common carotid with a
clamp
clean out vessels
nice and clear
why do you do a CAROTID endarterectomy
Plaque ulceration and embolisation
symptoms and signs of a stroke
Anterior circulation strokes
Unilateral weakness
Unilateral sensory loss or inattention
- Isolated dysarthria
- Dysphasia
Vision
- Homonymous hemianopia
* Monocular blindness
- Visual inattention
Visceral
Mesenteric and Renal artery disease