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Permanent Ligation of the Left Anterior Descending Coronary Artery in Mice: A Model of Post-myocardial Infarction Remodelling and Heart Failure
Published on: December 2, 2014
New concepts in post-infarction ventricular remodeling
James E Udelson1, Richard D Patten, Marvin A Konstam
1Division of Cardiology, Tufts-New England Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA.
Insights
Left ventricular (LV) remodeling significantly impacts heart failure progression and patient survival after myocardial infarction. Therapies targeting LV remodeling show promise in improving long-term outcomes for heart failure patients.
Area of Science:
- Cardiology
- Pathophysiology
- Clinical Medicine
Background:
- Left ventricular (LV) remodeling is a critical process in the pathophysiology of heart failure syndrome.
- Understanding LV remodeling enhances knowledge of disease progression and therapeutic targets.
Purpose of the Study:
- To examine the relationship between left ventricular remodeling and clinical outcomes in heart failure syndrome.
- To review the impact of interventions on LV remodeling and patient prognosis.
Main Methods:
- Review of studies investigating left ventricular remodeling post-myocardial infarction.
- Analysis of clinical outcomes including LV dysfunction, heart failure symptoms, and mortality.
- Evaluation of the effects of drug therapies on the remodeling process.
Main Results:
- Post-myocardial infarction LV remodeling is associated with progressive LV dysfunction, worsening heart failure symptoms, and increased mortality.
- Studies indicate a link between LV remodeling and adverse long-term clinical outcomes.
- Drug therapies aimed at slowing or reversing LV remodeling demonstrate short-term and long-term benefits.
Conclusions:
- Left ventricular remodeling is a key determinant of heart failure progression and prognosis.
- Interventions that modify LV remodeling can improve clinical outcomes and survival.
- Targeting LV remodeling represents a significant therapeutic strategy in managing heart failure syndrome.
Abstract:
An understanding of the process of left ventricular (LV) remodeling has led to greater knowledge of the pathophysiology of heart failure syndrome. This article examines the relationship between LV remodeling and clinical outcomes of heart failure syndrome from several different perspectives. The studies cited suggest that the post-myocardial infarction process is related to and associated with long-term progression of LV dysfunction, heart failure symptoms, and mortality. It is also demonstrated that drug therapies that slow or reverse the remodeling process appear to have favorable natural history effects in the short term as well as during long-term therapy.
