Prevention

An alternative is endovascular treatment using angioplasty and stenting. ^a

Why?

• Endovascular treatment compared with carotid endarterectomy reduces cranial neuropathy and major groin or neck haematomas educes disabling stroke or die at 30 days and stroke at 1 year, but recurrent severe stenosis is more common. ^a
•  There is no clear difference in disabling stroke or death at 30 days and stroke at 1 year between the two treatments ^d , but recurrent severe stenosis is more common following endovascular treatment.. ^a

Statins reduce death and recurrent stroke in high risk patients with high cholesterol levels

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
carotid stenosis > 75% a	endovascular treatment	carotid endarterectomy	cranial neuropathy at 30 days	2.3%	8.70% (5.22% to 12.2%)	12 (8 to 19)
			major groin or neck haematoma at 30 days	6.2%	5.52% (2.16% to 8.89%)	18 (11 to 46)
			severe ipsilateral carotid stenosis at 12 months	2.8%	-260% (-720% to -59%)	-14 (-34 to -9)