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6. Epidemiology and prevention of cerebrovascular diseases
- Stroke
- Ischaemic 80%
- Haemorrhage 20%
- Intracerebral
- Subarachnoid
- Aneurysms
- Occurs at any age
- Different epidemiology than other stroke types
- Symptoms
- Sudden numbness or weakness
- Sudden confusion, trouble speaking
- Sudden blindness
- Sudden trouble walking
- Sudden severe headache
- Epidemiology
- 10% of ischaemic strokes -> death in 30 days
- 40% of haemorrhagic strokes -> death in 30 days
- Leading cause of long-term disability in US
- 3rd cause of death in US
- Risk factors
- Hypertension x2 risk
- Atherosclerosis
- Heart disease
- 1/10 will develop stroke in 6 years
- Coagulation disorders
- Previous TIA, stroke, ami
- Diabetes
- Smoking x10 haemorrhagic stroke risk
- Alcohol
- Age
- Genetics