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Updated: Jul 17, 2026

A Rat Model of Pressure Overload Induced Moderate Remodeling and Systolic Dysfunction as Opposed to Overt Systolic Heart Failure
Published on: April 30, 2020
Left ventricular hypertrophy: a shift in paradigm
M F L Meijs1, L J de Windt, N de Jonge
1Heart Lung Center Utrecht, Utrecht, The Netherlands.
Insights
Left ventricular hypertrophy (LVH) is a risk factor for heart failure. Blunting the hypertrophic response in animal models preserved cardiac function and improved survival, challenging traditional concepts.
Area of Science:
- Cardiology
- Pathophysiology
- Translational Medicine
Background:
- Left ventricular hypertrophy (LVH) is a recognized risk factor for heart failure (HF), coronary heart disease, and stroke.
- Traditionally, LVH is viewed as an adaptive response to hemodynamic overload that can progress to maladaptive hypertrophy and HF.
Purpose of the Study:
- To investigate the role of the hypertrophic response in cardiac disease progression.
- To challenge the classical concept of LVH as a solely adaptive mechanism.
Main Methods:
- Utilized animal models of pressure-overload and myocardial infarction.
- Assessed the impact of blunting the hypertrophic response on cardiac function and survival.
Main Results:
- Blunting the hypertrophic response in animal models was associated with preserved cardiac function.
- Reduced hypertrophy led to improved survival rates in experimental models.
Conclusions:
- The findings challenge the traditional view of LVH as a beneficial adaptive response.
- Inhibiting hypertrophy may offer a novel therapeutic strategy for preventing or treating heart failure and related cardiovascular events.
Abstract:
Observational studies have identified left ventricular hypertrophy (LVH) as a strong, independent risk factor for the development of heart failure (HF), coronary heart disease and stroke. LVH develops in response to hemodynamic overload. Classical conceptualization has it that LVH would start as an adaptive, beneficial response in order to normalize wall stress. With progression of the disease, deterioration to maladaptive hypertrophy, and further on to HF could occur. Recent experiments in animal models of pressure-overload and myocardial infarction now challenge this concept by demonstrating that blunting the hypertrophic response is actually associated with preserved cardiac function, and with improved survival. These findings may have profound therapeutical implications.
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