Key result
Moderate or severe mitral regurgitation after myocardial infarction was associated with an increased risk of heart failure (RR 3.44; 95% CI 1.74-6.82) and death (RR 1.55; 95% CI 1.08-2.22).
Why the study?
Does the presence and severity of mitral regurgitation predict heart failure and death after myocardial infarction?
Population
1331 patients within a geographically defined myocardial infarction incidence cohort between 1988 and 1998…
Comparison
Presence and severity of mitral regurgitation… vs Absence of mitral regurgitation
Design
Cohort
Follow-up
4.7+/-3.3 years
Authors
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May refine post-MI risk stratification; extends observational associations but leaves causal impact open.
Cohort (n=1,331)
Does the presence and severity of mitral regurgitation predict heart failure and death after myocardial infarction?
Effect estimate: RR 3.44 (95% CI 1.74-6.82)
p-value: p=<0.001
Mitral regurgitation is frequent and often silent after MI, and its presence independently predicts an increased risk of heart failure and death, highlighting its importance in post-MI risk stratification.
Bursi et al. (2005) conducted a cohort in Myocardial Infarction (n=1,331). Moderate or severe mitral regurgitation was evaluated on Heart failure (RR 3.44, 95% CI 1.74-6.82, p=<0.001). Moderate or severe mitral regurgitation after myocardial infarction was associated with an increased risk of heart failure (RR 3.44; 95% CI 1.74-6.82) and death (RR 1.55; 95% CI 1.08-2.22).
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