aging reduces post-infarction lv dilation | The Aging Heart and Post

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MMP-9 deletion in young mice reduces LV rupture rates compared with wild type (WT) mice and attenuates LV dilation and collagen deposition post-MI . MMP-9 deletion also improves LV function post-MI by increasing neovascularization in the remodeling myocardium . Aging is a . We review the cellular and molecular aspects of post-infarction remodeling in the aged heart, and relate them to the clinical problem of post-infarction remodeling in elderly .Postinfarct ventricular remodeling represents a prevailing cause of heart failure (HF), and it occurs in almost 30% of patients with a previous anterior myocardial infarction (MI) and in only . Our findings suggest that human aging is associated with specific alterations of LV structure and function marked by an increase in M/V ratio, driven by a reduction in LV volumes .

Postinfarction left ventricular dilatation is greater at 1 week than at 24 to 48 hours after Q-wave infarction. Intervention with captopril (cap, light arrows) prevents or reverses . Because RAAS blockade markedly improved cardiac remodelling post-MI and angiotensin receptor-neprilysin inhibitor treatment reduced mortality/morbidity more effectively . Elderly patients are more likely than young patients to experience a myocardial infarction (MI) and are more . Aging is a risk factor for heart failure, which is a leading cause .In spite of advances in timely mechanical reperfusion and adjunctive pharmacotherapy, a significant proportion of patients presenting with ST-segment elevation myocardial infarction .

We review the cellular and molecular aspects of post-infarction remodeling in the aged heart, and relate them to the clinical problem of post-infarction remodeling in elderly . According to the Framingham Heart Study and the Baltimore Longitudinal Study on Aging (BLSA), aging causes an increase in the prevalence of left ventricular (LV) .MMP-9 deletion in young mice reduces LV rupture rates compared with wild type (WT) mice and attenuates LV dilation and collagen deposition post-MI . MMP-9 deletion also improves LV function post-MI by increasing neovascularization in the remodeling myocardium . Aging is a major risk factor for MI, and MMP-9 levels increase with age. We review the cellular and molecular aspects of post-infarction remodeling in the aged heart, and relate them to the clinical problem of post-infarction remodeling in elderly patients. Myocardial Infarction (MI), Left Ventricular (LV) Remodeling, and Heart Failure

Postinfarct ventricular remodeling represents a prevailing cause of heart failure (HF), and it occurs in almost 30% of patients with a previous anterior myocardial infarction (MI) and in only approximately 17% of patients with non-anterior infarct [1]. Our findings suggest that human aging is associated with specific alterations of LV structure and function marked by an increase in M/V ratio, driven by a reduction in LV volumes out of proportion to declining LV mass. Postinfarction left ventricular dilatation is greater at 1 week than at 24 to 48 hours after Q-wave infarction. Intervention with captopril (cap, light arrows) prevents or reverses progressive remodeling compared with placebo (plac, dark arrows), with a greater benefit after earlier intervention (from 24 to 48 hours) than after 1 week.

Because RAAS blockade markedly improved cardiac remodelling post-MI and angiotensin receptor-neprilysin inhibitor treatment reduced mortality/morbidity more effectively than ACE inhibition in chronic HFrEF in PARADIGM-HF 107, subsequent trials sought to investigate the potential of sacubitril/valsartan in patients with HFrEF post-MI. 108, 109 .

The Aging Heart: A Molecular and Clinical Challenge

Elderly patients are more likely than young patients to experience a myocardial infarction (MI) and are more . Aging is a risk factor for heart failure, which is a leading cause of death world-wide.In spite of advances in timely mechanical reperfusion and adjunctive pharmacotherapy, a significant proportion of patients presenting with ST-segment elevation myocardial infarction (STEMI) still progress to pathological LV remodeling . We review the cellular and molecular aspects of post-infarction remodeling in the aged heart, and relate them to the clinical problem of post-infarction remodeling in elderly patients. Keywords: aging, left ventricular remodeling, myocardial infarction

According to the Framingham Heart Study and the Baltimore Longitudinal Study on Aging (BLSA), aging causes an increase in the prevalence of left ventricular (LV) hypertrophy, a decline in diastolic function, and a decline in exercise capacity despite relatively preserved systolic function at rest, as well as an increase in the prevalence of .MMP-9 deletion in young mice reduces LV rupture rates compared with wild type (WT) mice and attenuates LV dilation and collagen deposition post-MI . MMP-9 deletion also improves LV function post-MI by increasing neovascularization in the remodeling myocardium . Aging is a major risk factor for MI, and MMP-9 levels increase with age. We review the cellular and molecular aspects of post-infarction remodeling in the aged heart, and relate them to the clinical problem of post-infarction remodeling in elderly patients. Myocardial Infarction (MI), Left Ventricular (LV) Remodeling, and Heart FailurePostinfarct ventricular remodeling represents a prevailing cause of heart failure (HF), and it occurs in almost 30% of patients with a previous anterior myocardial infarction (MI) and in only approximately 17% of patients with non-anterior infarct [1].

Our findings suggest that human aging is associated with specific alterations of LV structure and function marked by an increase in M/V ratio, driven by a reduction in LV volumes out of proportion to declining LV mass. Postinfarction left ventricular dilatation is greater at 1 week than at 24 to 48 hours after Q-wave infarction. Intervention with captopril (cap, light arrows) prevents or reverses progressive remodeling compared with placebo (plac, dark arrows), with a greater benefit after earlier intervention (from 24 to 48 hours) than after 1 week. Because RAAS blockade markedly improved cardiac remodelling post-MI and angiotensin receptor-neprilysin inhibitor treatment reduced mortality/morbidity more effectively than ACE inhibition in chronic HFrEF in PARADIGM-HF 107, subsequent trials sought to investigate the potential of sacubitril/valsartan in patients with HFrEF post-MI. 108, 109 . Elderly patients are more likely than young patients to experience a myocardial infarction (MI) and are more . Aging is a risk factor for heart failure, which is a leading cause of death world-wide.

In spite of advances in timely mechanical reperfusion and adjunctive pharmacotherapy, a significant proportion of patients presenting with ST-segment elevation myocardial infarction (STEMI) still progress to pathological LV remodeling . We review the cellular and molecular aspects of post-infarction remodeling in the aged heart, and relate them to the clinical problem of post-infarction remodeling in elderly patients. Keywords: aging, left ventricular remodeling, myocardial infarction

The Aging Heart and Post

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Myocardial Infarction Superimposed on Aging: MMP

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aging reduces post-infarction lv dilation|The Aging Heart and Post

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