Prevention

Treat hypertension ^a

Why?

• It reduces recurrent strokes, fatal strokes and major cardiovascular events, though there is no clear reduction in mortality. ^a

Treating hypertension reduces further strokes and major cardiovascular events

Patient	Treatment	Comparison	Outcome	CER	RRR (95% CI)	NNT (95% CI)
previous stroke or TIA a	blood pressure lowering medication	placebo	stroke at years	9.5%	26% (14% to 37%)	40 (26 to 84)
			fatal stroke at years	3.3%	28% (5% to 46%)	110 (58 to 700)
			major cardiovascular events at years	11%	20% (7% to 30%)	45 (27 to 130)