Contribution of ischemic mitral regurgitation to congestive heart failure after myocardial infarction
Francesco Grigioni, MD*,
Delphine Detaint, MD*,
Jean-François Avierinos, MD*,
Christopher Scott, MS ,
Jamil Tajik, MD, FACC* and
Maurice Enriquez-Sarano, MD, FACC*,*
* Division of Cardiovascular Diseases and Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota
Section of Biostatistics, Mayo Clinic and Mayo Foundation, Rochester, Minnesota

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Figure 1 Incidence of congestive heart failure (CHF) in asymptomatic patients after myocardial infarction (MI) according to the presence (continuous line) or absence (dotted line) of ischemic mitral regurgitation (IMR) at diagnosis. The event rates at five years are indicated ± the standard error.
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Figure 2 Incidence of congestive heart failure (CHF) in asymptomatic patients after myocardial infarction according to the degree of mitral regurgitation measured by effective regurgitant orifice (ERO) 20 mm2 (continuous line), 1 to 19 mm2 (dotted line), and absent mitral regurgitation (ERO = 0) (dashed line) at diagnosis. The event rates at five years are indicated ± the standard error.
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Figure 3 Survival free of congestive heart failure or cardiac death (event-free survival) in asymptomatic patients after myocardial infarction (MI) according to the presence (continuous line) or absence (dotted line) of ischemic mitral regurgitation (IMR) at diagnosis. The event-free survival rates at five years are indicated ± the standard error.
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Figure 4 Survival free of congestive heart failure or cardiac death (event-free survival) in asymptomatic patients after myocardial infarction according to the degree of mitral regurgitation measured by effective regurgitant orifice (ERO) 20 mm2 (continuous line), 1 to 19 mm2 (dashed line), and absent mitral regurgitation (ERO = 0) (dotted line) at diagnosis. The event-free survival rates at five years are indicated ± the standard error.
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