Prognosis

Listen for mitral regurgitation ^a

Why?

• It is common, though rarely clinically detectable. ^a
• One in eight patients develop mitral regurgitation within 7 hours (13%: 95% CI: 8.5% to 18%) - one in forty have moderate to severe regurgitation (2.4%: 95% CI: 0.33% to 4.5%) ^a
• One in five patients with LV dysfunction develop mitral regurgitation within 2 weeks (19%: 95% CI: 17% to 22%) ^b

Mitral regurgitation increase the risk of dying

Patient	Prognostic Factor	Outcome	CER	OR (95% CI)	NNF+ (95% CI)
myocardial infarction b	mitral regurgitation independent	death from heart disease at 2 years	12%	2.00 (1.28 to 3.04)	11 (6 to 35)